Dell PowerSwitch S5048F-ON Administrator Guide

Dell EMC Networking OS Configuration Guide

for the S5048F–ON System

9.14.2.4

Notes, cautions, and warnings

NOTE: A NOTE indicates important information that helps you make better use of your product.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the

problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

Other trademarks may be trademarks of their respective owners.

2019 - 11

Rev. A00

1 About this Guide..........................................................................................................................31

Audience................................................................................................................................................................................31

Conventions.......................................................................................................................................................................... 31

Related Documents..............................................................................................................................................................31

2 Configuration Fundamentals....................................................................................................... 32

Accessing the Command Line............................................................................................................................................32

CLI Modes............................................................................................................................................................................ 32

Navigating CLI Modes...................................................................................................................................................34

The do Command................................................................................................................................................................36

Undoing Commands............................................................................................................................................................ 37

Obtaining Help......................................................................................................................................................................37

Entering and Editing Commands....................................................................................................................................... 38

Command History................................................................................................................................................................38

Filtering show Command Outputs.................................................................................................................................... 39

Multiple Users in Configuration Mode.............................................................................................................................. 40

Configuring alias command................................................................................................................................................ 40

Viewing alias configuration............................................................................................................................................41

3 Getting Started..........................................................................................................................42

Console Access....................................................................................................................................................................42

Serial Console.................................................................................................................................................................42

Micro USB-B Access.....................................................................................................................................................43

Default Configuration..........................................................................................................................................................44

Configuring a Host Name................................................................................................................................................... 44

Accessing the System Remotely.......................................................................................................................................44

Configure the Management Port IP Address.............................................................................................................44

Configure a Management Route................................................................................................................................. 45

Configuring a Username and Password..................................................................................................................... 45

Configuring the Enable Password..................................................................................................................................... 45

Configuration File Management........................................................................................................................................ 46

Copy Files to and from the System.............................................................................................................................46

Mounting an NFS File System......................................................................................................................................47

Save the Running-Configuration................................................................................................................................. 49

Configure the Overload Bit for a Startup Scenario...................................................................................................49

Viewing Files...................................................................................................................................................................49

Managing the File System...................................................................................................................................................51

View Command History.......................................................................................................................................................51

Upgrading Dell EMC Networking OS................................................................................................................................52

Using HTTP for File Transfers........................................................................................................................................... 52

Verify Software Images Before Installation......................................................................................................................53

4 Management..............................................................................................................................54

Configuring Privilege Levels...............................................................................................................................................54

Contents

Contents 3

Removing a Command from EXEC Mode..................................................................................................................55

Moving a Command from EXEC Privilege Mode to EXEC Mode...........................................................................55

Allowing Access to CONFIGURATION Mode Commands....................................................................................... 55

Allowing Access to Different Modes...........................................................................................................................55

Applying a Privilege Level to a Username...................................................................................................................56

Applying a Privilege Level to a Terminal Line............................................................................................................. 56

Configuring Logging............................................................................................................................................................ 57

Audit and Security Logs................................................................................................................................................57

Configuring Logging Format ................................................................................................................................ 58

Setting Up a Secure Connection to a Syslog Server.......................................................................................59

Log Messages in the Internal Buffer.................................................................................................................................60

Disabling System Logging.................................................................................................................................................. 60

Sending System Messages to a Syslog Server............................................................................................................... 60

Configuring a UNIX System as a Syslog Server........................................................................................................ 60

Track Login Activity............................................................................................................................................................. 61

Restrictions for Tracking Login Activity...................................................................................................................... 61

Configuring Login Activity Tracking.............................................................................................................................61

Display Login Statistics..................................................................................................................................................61

Limit Concurrent Login Sessions.......................................................................................................................................63

Restrictions for Limiting the Number of Concurrent Sessions................................................................................63

Configuring Concurrent Session Limit........................................................................................................................ 63

Enabling the System to Clear Existing Sessions........................................................................................................63

Enabling Secured CLI Mode...............................................................................................................................................64

Changing System Logging Settings..................................................................................................................................64

Display the Logging Buffer and the Logging Configuration...........................................................................................65

Configuring a UNIX Logging Facility Level.......................................................................................................................68

Synchronizing Log Messages............................................................................................................................................ 68

Enabling Timestamp on Syslog Messages....................................................................................................................... 69

File Transfer Services..........................................................................................................................................................70

Enabling the FTP Server...............................................................................................................................................70

Configuring FTP Server Parameters............................................................................................................................71

Configuring FTP Client Parameters............................................................................................................................. 71

Terminal Lines...................................................................................................................................................................... 72

Denying and Permitting Access to a Terminal Line................................................................................................... 72

Configuring Login Authentication for Terminal Lines................................................................................................73

Setting Timeout for EXEC Privilege Mode.......................................................................................................................73

Using Telnet to get to Another Network Device.............................................................................................................74

Lock CONFIGURATION Mode...........................................................................................................................................74

Reloading the system..........................................................................................................................................................75

Restoring the Factory Default Settings............................................................................................................................76

Restoring Factory Default Environment Variables.................................................................................................... 76

5 802.1X....................................................................................................................................... 78

Port-Authentication Process............................................................................................................................................. 79

EAP over RADIUS..........................................................................................................................................................80

Configuring 802.1X..............................................................................................................................................................80

Important Points to Remember..........................................................................................................................................81

Enabling 802.1X.................................................................................................................................................................... 81

Configuring dot1x Profile ................................................................................................................................................... 82

Configuring the Static MAB and MAB Profile ................................................................................................................ 83

4

Contents

Configuring Critical VLAN ................................................................................................................................................. 84

Configuring MAC addresses for a do1x Profile................................................................................................................84

Configuring Request Identity Re-Transmissions............................................................................................................. 85

Configuring a Quiet Period after a Failed Authentication.........................................................................................85

Forcibly Authorizing or Unauthorizing a Port...................................................................................................................86

Re-Authenticating a Port................................................................................................................................................... 86

Configuring Timeouts..........................................................................................................................................................87

Configuring Dynamic VLAN Assignment with Port Authentication..............................................................................88

Guest and Authentication-Fail VLANs..............................................................................................................................89

Configuring a Guest VLAN...........................................................................................................................................90

Configuring an Authentication-Fail VLAN.................................................................................................................. 90

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)..........................92

Optimizing CAM Utilization During the Attachment of ACLs to VLANs......................................................................92

Guidelines for Configuring ACL VLAN Groups................................................................................................................ 92

Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters................................................... 93

Configuring ACL VLAN Groups................................................................................................................................... 93

Configuring FP Blocks for VLAN Parameters............................................................................................................94

Viewing CAM Usage........................................................................................................................................................... 94

Allocating FP Blocks for VLAN Processes....................................................................................................................... 97

ACL Optimization to Increase Number of Supported IPv4 ACLs..................................................................................97

Optimizing ACL for More Number of IPv4 ACL Rules..............................................................................................97

7 Access Control Lists (ACLs)........................................................................................................99

IP Access Control Lists (ACLs)........................................................................................................................................100

CAM Usage...................................................................................................................................................................100

Implementing ACLs on Dell EMC Networking OS.................................................................................................... 101

Configure ACL Range Profiles..........................................................................................................................................102

Important Points to Remember....................................................................................................................................... 103

Configuration Task List for Route Maps...................................................................................................................103

Configuring Match Routes..........................................................................................................................................105

Configuring Set Conditions.........................................................................................................................................106

Configure a Route Map for Route Redistribution.................................................................................................... 107

Configure a Route Map for Route Tagging.............................................................................................................. 108

Continue Clause........................................................................................................................................................... 108

IP Fragment Handling........................................................................................................................................................108

IP Fragments ACL Examples...................................................................................................................................... 109

Layer 4 ACL Rules Examples...................................................................................................................................... 109

Configure a Standard IP ACL............................................................................................................................................110

Configuring a Standard IP ACL Filter.......................................................................................................................... 111

Configure an Extended IP ACL..........................................................................................................................................111

Configuring Filters with a Sequence Number............................................................................................................ 111

Configuring Filters Without a Sequence Number.....................................................................................................115

Configure Layer 2 and Layer 3 ACLs............................................................................................................................... 115

Assign an IP ACL to an Interface......................................................................................................................................116

Applying an IP ACL............................................................................................................................................................. 116

Counting ACL Hits........................................................................................................................................................ 117

Configure Ingress ACLs......................................................................................................................................................117

Configure Egress ACLs...................................................................................................................................................... 117

Contents

5

Applying Egress Layer 3 ACLs (Control-Plane)........................................................................................................ 118

Configuring UDF ACL.........................................................................................................................................................119

IP Prefix Lists......................................................................................................................................................................122

Configuration Task List for Prefix Lists.....................................................................................................................122

ACL Resequencing.............................................................................................................................................................125

Resequencing an ACL or Prefix List.......................................................................................................................... 126

Route Maps.........................................................................................................................................................................127

8 Bidirectional Forwarding Detection (BFD)................................................................................... 128

How BFD Works.................................................................................................................................................................128

BFD Packet Format..................................................................................................................................................... 129

BFD Sessions................................................................................................................................................................130

BFD Three-Way Handshake........................................................................................................................................131

Session State Changes................................................................................................................................................132

Important Points to Remember........................................................................................................................................132

Configure BFD....................................................................................................................................................................132

Configure BFD for Physical Ports.............................................................................................................................. 133

Configure BFD for Static Routes............................................................................................................................... 134

Configure BFD for OSPF............................................................................................................................................ 136

Configure BFD for OSPFv3.........................................................................................................................................141

Configure BFD for IS-IS...............................................................................................................................................144

Configure BFD for BGP...............................................................................................................................................145

Configure BFD for VRRP.............................................................................................................................................151

Configuring Protocol Liveness....................................................................................................................................154

Troubleshooting BFD...................................................................................................................................................154

9 Border Gateway Protocol (BGP)................................................................................................ 155

BGP IP version 4 (BGPv4) Overview............................................................................................................................. 155

BGP Autonomous Systems........................................................................................................................................ 155

AS4 Number Representation......................................................................................................................................157

Four-Byte AS Numbers...............................................................................................................................................159

BGP router ID............................................................................................................................................................... 159

Sessions and Peers...................................................................................................................................................... 159

Establish a Session.......................................................................................................................................................159

BGP Attributes for selecting Best Path....................................................................................................................160

Multiprotocol BGP....................................................................................................................................................... 165

BGP global and address family configuration........................................................................................................... 166

Implement BGP with Dell EMC Networking OS.......................................................................................................167

Configuration Information........................................................................................................................................... 170

Basic BGP configuration tasks......................................................................................................................................... 170

Prerequisite for configuring a BGP network.............................................................................................................170

Restrictions................................................................................................................................................................... 170

Enabling BGP................................................................................................................................................................ 170

Enabling four-byte autonomous system numbers................................................................................................... 172

Changing a BGP router ID...........................................................................................................................................173

Configuring AS4 Number Representations...............................................................................................................173

Configuring a BGP peer...............................................................................................................................................174

Example-Configuring BGP routing between peers..................................................................................................175

BGP peer group............................................................................................................................................................176

6

Contents

Advanced BGP configuration tasks.................................................................................................................................183

Route-refresh and Soft-reconfiguration...................................................................................................................183

Aggregating Routes.....................................................................................................................................................185

Filtering BGP.................................................................................................................................................................187

Configuring BGP Fast Fall-Over.................................................................................................................................192

Configuring Passive Peering.......................................................................................................................................193

Enabling Graceful Restart........................................................................................................................................... 194

Redistributing Routes.................................................................................................................................................. 195

Enabling Additional Paths............................................................................................................................................195

Configuring IP Community Lists.................................................................................................................................196

Configuring an IP Extended Community List............................................................................................................197

Configure BGP attributes........................................................................................................................................... 198

Enabling Multipath....................................................................................................................................................... 201

Route Reflectors......................................................................................................................................................... 202

Enabling Route Flap Dampening................................................................................................................................203

Changing BGP keepalive and hold timers................................................................................................................ 205

Setting the extended timer........................................................................................................................................205

Enabling or disabling BGP neighbors........................................................................................................................ 206

Route Map Continue...................................................................................................................................................207

Configuring BGP Confederations..............................................................................................................................207

Configuring a BGP VRF address family....................................................................................................................208

Maintaining Existing AS Numbers During an AS Migration....................................................................................209

Allowing an AS Number to Appear in its Own AS Path...........................................................................................210

Enabling MBGP Configurations...................................................................................................................................211

MBGP support for IPv6............................................................................................................................................... 211

Configuring IPv6 MBGP between peers....................................................................................................................211

Example-Configuring IPv4 and IPv6 neighbors........................................................................................................212

Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor............................................. 214

BGP Regular Expression Optimization...................................................................................................................... 215

Debugging BGP............................................................................................................................................................216

10 Content Addressable Memory (CAM)........................................................................................ 218

CAM Allocation...................................................................................................................................................................218

Test CAM Usage...............................................................................................................................................................220

View CAM-ACL Settings..................................................................................................................................................220

View CAM Usage............................................................................................................................................................... 221

CAM Optimization.............................................................................................................................................................222

Troubleshoot CAM Profiling.............................................................................................................................................222

QoS CAM Region Limitation...................................................................................................................................... 222

Syslog Error When the Table is Full.......................................................................................................................... 222

Syslog Warning Upon 90 Percent Utilization of CAM............................................................................................223

Syslog Warning for Discrepancies Between Configured Extended Prefixes.......................................................223

Unified Forwarding Table (UFT) Modes.........................................................................................................................223

Configuring UFT Modes............................................................................................................................................. 223

11 Control Plane Policing (CoPP).................................................................................................. 225

Configure Control Plane Policing.....................................................................................................................................226

Configuring CoPP for Protocols................................................................................................................................ 227

Configuring CoPP for CPU Queues..........................................................................................................................228

Contents

7

Protocol to CPU Queue Mapping............................................................................................................................. 229

Configuring Protocol to CPU Queue Mapping........................................................................................................ 230

Displaying CoPP Configuration .................................................................................................................................230

12 Data Center Bridging (DCB)..................................................................................................... 233

Ethernet Enhancements in Data Center Bridging.........................................................................................................233

Priority-Based Flow Control.......................................................................................................................................234

Enhanced Transmission Selection.............................................................................................................................235

Data Center Bridging Exchange Protocol (DCBx)..................................................................................................236

Data Center Bridging in a Traffic Flow..................................................................................................................... 237

Buffer Organization.....................................................................................................................................................237

Enabling Data Center Bridging........................................................................................................................................ 240

DCB Maps and its Attributes..................................................................................................................................... 240

Data Center Bridging: Default Configuration..................................................................................................................241

Configuring Priority-Based Flow Control........................................................................................................................ 241

Configuring Lossless Queues..................................................................................................................................... 242

Configuring PFC in a DCB Map.......................................................................................................................................243

Applying a DCB Map on a Port........................................................................................................................................244

Configuring PFC without a DCB Map............................................................................................................................ 245

Priority-Based Flow Control Using Dynamic Buffer Method.......................................................................................246

Shared headroom for lossless or PFC packets..............................................................................................................247

Configuring Shared Head Room Buffer....................................................................................................................249

Viewing Shared Head Room Usage.......................................................................................................................... 249

Monitoring Buffer Statistics for Tracking Purposes............................................................................................... 249

Behavior of Tagged Packets........................................................................................................................................... 250

Configuration Example for DSCP and PFC Priorities...................................................................................................250

SNMP Support for PFC and Buffer Statistics Tracking...............................................................................................251

Performing PFC Using DSCP Bits Instead of 802.1p Bits............................................................................................ 251

PFC and ETS Configuration Examples...........................................................................................................................253

Using PFC to Manage Converged Ethernet Traffic.....................................................................................................253

Operations on Untagged Packets...................................................................................................................................253

Generation of PFC for a Priority for Untagged Packets..............................................................................................253

Configure Enhanced Transmission Selection................................................................................................................ 253

Creating an ETS Priority Group.................................................................................................................................253

ETS Operation with DCBx..........................................................................................................................................254

Configuring ETS in a DCB Map................................................................................................................................. 255

Hierarchical Scheduling in ETS Output Policies............................................................................................................ 256

Using ETS to Manage Converged Ethernet Traffic..................................................................................................... 256

Applying DCB Policies in a Switch Stack....................................................................................................................... 256

Configure a DCBx Operation........................................................................................................................................... 257

DCBx Operation...........................................................................................................................................................257

DCBx Port Roles..........................................................................................................................................................257

DCB Configuration Exchange....................................................................................................................................258

Configuration Source Election...................................................................................................................................259

Propagation of DCB Information...............................................................................................................................259

Auto-Detection and Manual Configuration of the DCBx Version......................................................................... 259

DCBx Example............................................................................................................................................................. 260

DCBx Prerequisites and Restrictions........................................................................................................................260

Configuring DCBx........................................................................................................................................................260

Verifying the DCB Configuration.....................................................................................................................................263

8

Contents

QoS dot1p Traffic Classification and Queue Assignment..............................................................................................271

Configuring the Dynamic Buffer Method........................................................................................................................271

Sample DCB Configuration.............................................................................................................................................. 272

13 Dynamic Host Configuration Protocol (DHCP)........................................................................... 274

DHCP Packet Format and Options.................................................................................................................................274

Assign an IP Address using DHCP.................................................................................................................................. 275

Implementation Information............................................................................................................................................. 276

Configure the System to be a DHCP Server................................................................................................................. 277

Configuring the Server for Automatic Address Allocation..................................................................................... 277

Specifying a Default Gateway....................................................................................................................................278

Configure a Method of Hostname Resolution......................................................................................................... 278

Using DNS for Address Resolution............................................................................................................................278

Using NetBIOS WINS for Address Resolution......................................................................................................... 279

Creating Manual Binding Entries............................................................................................................................... 279

Debugging the DHCP Server.....................................................................................................................................279

Using DHCP Clear Commands.................................................................................................................................. 279

Configure the System to be a DHCP Client.................................................................................................................. 280

Configuring the DHCP Client System.......................................................................................................................280

DHCP Client on a Management Interface................................................................................................................ 281

DHCP Client Operation with Other Features.......................................................................................................... 282

Configuring DHCP relay source interface......................................................................................................................282

Global DHCP relay source IPv4 or IPv6 configuration ...........................................................................................282

Interface level DHCP relay source IPv4 or IPv6 configuration .............................................................................283

Configure Secure DHCP.................................................................................................................................................. 284

Option 82 (DHCPv4 relay options)...........................................................................................................................284

DHCPv6 relay agent options..................................................................................................................................... 285

DHCP Snooping...........................................................................................................................................................285

Drop DHCP Packets on Snooped VLANs Only....................................................................................................... 289

Dynamic ARP Inspection............................................................................................................................................ 289

Configuring Dynamic ARP Inspection.......................................................................................................................290

Source Address Validation................................................................................................................................................ 291

Enabling IP Source Address Validation......................................................................................................................291

DHCP MAC Source Address Validation................................................................................................................... 292

Enabling IP+MAC Source Address Validation..........................................................................................................292

Viewing the Number of SAV Dropped Packets.......................................................................................................292

Clearing the Number of SAV Dropped Packets...................................................................................................... 293

14 Equal Cost Multi-Path (ECMP).................................................................................................294

ECMP for Flow-Based Affinity........................................................................................................................................294

Configuring the Hash Algorithm................................................................................................................................ 294

Enabling Deterministic ECMP Next Hop..................................................................................................................294

Configuring the Hash Algorithm Seed...................................................................................................................... 294

Link Bundle Monitoring.....................................................................................................................................................295

Managing ECMP Group Paths.................................................................................................................................. 295

Creating an ECMP Group Bundle............................................................................................................................. 296

Modifying the ECMP Group Threshold.................................................................................................................... 296

Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table........................................ 297

Support for ECMP in host table................................................................................................................................ 297

Contents

9

Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ............................................................................297

15 FIP Snooping.......................................................................................................................... 298

Fibre Channel over Ethernet............................................................................................................................................298

Ensure Robustness in a Converged Ethernet Network............................................................................................... 298

FIP Snooping on Ethernet Bridges..................................................................................................................................299

Using FIP Snooping............................................................................................................................................................301

FIP Snooping Prerequisites.........................................................................................................................................301

Important Points to Remember..................................................................................................................................301

Enabling the FCoE Transit Feature...........................................................................................................................303

Enable FIP Snooping on VLANs.................................................................................................................................303

Configure the FC-MAP Value....................................................................................................................................303

Configure a Port for a Bridge-to-Bridge Link.......................................................................................................... 303

Configure a Port for a Bridge-to-FCF Link.............................................................................................................. 303

Impact on Other Software Features.........................................................................................................................304

FIP Snooping Restrictions.......................................................................................................................................... 304

Configuring FIP Snooping...........................................................................................................................................304

Displaying FIP Snooping Information.............................................................................................................................. 305

FCoE Transit Configuration Example............................................................................................................................. 309

16 Flex Hash and Optimized Boot-Up..............................................................................................311

Flex Hash Capability Overview..........................................................................................................................................311

Configuring the Flex Hash Mechanism............................................................................................................................ 311

RDMA Over Converged Ethernet (RoCE) Overview....................................................................................................312

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces......................................................................................... 312

17 Force10 Resilient Ring Protocol (FRRP).....................................................................................314

Protocol Overview............................................................................................................................................................. 314

Ring Status....................................................................................................................................................................315

Multiple FRRP Rings....................................................................................................................................................315

Important FRRP Points............................................................................................................................................... 316

Important FRRP Concepts..........................................................................................................................................317

Implementing FRRP........................................................................................................................................................... 317

FRRP Configuration...........................................................................................................................................................318

Creating the FRRP Group...........................................................................................................................................318

Configuring the Control VLAN................................................................................................................................... 318

Configuring and Adding the Member VLANs........................................................................................................... 319

Setting the FRRP Timers........................................................................................................................................... 320

Clearing the FRRP Counters......................................................................................................................................320

Viewing the FRRP Configuration.............................................................................................................................. 320

Viewing the FRRP Information.................................................................................................................................. 320

Troubleshooting FRRP...................................................................................................................................................... 321

Sample Configuration and Topology................................................................................................................................321

FRRP Support on VLT......................................................................................................................................................322

18 GARP VLAN Registration Protocol (GVRP)................................................................................325

Configure GVRP................................................................................................................................................................325

Enabling GVRP Globally....................................................................................................................................................326

Enabling GVRP on a Layer 2 Interface........................................................................................................................... 327

10

Contents

Configure GVRP Registration..........................................................................................................................................327

Configure a GARP Timer.................................................................................................................................................. 327

19 Internet Group Management Protocol (IGMP)........................................................................... 329

IGMP Protocol Overview................................................................................................................................................. 329

IGMP Version 2............................................................................................................................................................329

IGMP Version 3............................................................................................................................................................330

Configure IGMP.................................................................................................................................................................333

Viewing IGMP Enabled Interfaces...................................................................................................................................333

Selecting an IGMP Version.............................................................................................................................................. 334

Viewing IGMP Groups...................................................................................................................................................... 334

Adjusting Timers................................................................................................................................................................335

Adjusting Query and Response Timers.....................................................................................................................335

Enabling IGMP Immediate-Leave....................................................................................................................................335

IGMP Snooping..................................................................................................................................................................336

Configuring IGMP Snooping...................................................................................................................................... 336

Removing a Group-Port Association.........................................................................................................................337

Disabling Multicast Flooding.......................................................................................................................................337

Specifying a Port as Connected to a Multicast Router..........................................................................................337

Configuring the Switch as Querier............................................................................................................................ 337

Fast Convergence after MSTP Topology Changes......................................................................................................338

Egress Interface Selection (EIS) for HTTP and IGMP Applications...........................................................................338

Designating a Multicast Router Interface...................................................................................................................... 344

20 Interfaces.............................................................................................................................. 345

Interface Types..................................................................................................................................................................346

View Basic Interface Information.................................................................................................................................... 346

Resetting an Interface to its Factory Default State..................................................................................................... 348

Enabling a Physical Interface........................................................................................................................................... 348

Physical Interfaces............................................................................................................................................................ 349

Configuration Task List for Physical Interfaces.......................................................................................................349

Overview of Layer Modes..........................................................................................................................................349

Configuring Layer 2 (Data Link) Mode..................................................................................................................... 349

Configuring Layer 2 (Interface) Mode......................................................................................................................350

Configuring Layer 3 (Network) Mode......................................................................................................................350

Configuring Layer 3 (Interface) Mode......................................................................................................................350

Egress Interface Selection (EIS)......................................................................................................................................351

Configuring EIS.............................................................................................................................................................351

Management Interfaces................................................................................................................................................... 352

Configuring Management Interfaces........................................................................................................................352

Configuring a Management Interface on an Ethernet Port...................................................................................352

VLAN Interfaces................................................................................................................................................................353

Loopback Interfaces......................................................................................................................................................... 353

Null Interfaces....................................................................................................................................................................354

Configuring Port Delay..................................................................................................................................................... 354

Port Channel Interfaces................................................................................................................................................... 354

Port Channel Definition and Standards.................................................................................................................... 355

Port Channel Benefits................................................................................................................................................ 355

Port Channel Implementation.................................................................................................................................... 355

Contents

11

Interfaces in Port Channels........................................................................................................................................355

Configuration Tasks for Port Channel Interfaces................................................................................................... 356

Creating a Port Channel.............................................................................................................................................356

Adding a Physical Interface to a Port Channel........................................................................................................356

Reassigning an Interface to a New Port Channel................................................................................................... 358

Configuring the Minimum Oper Up Links in a Port Channel..................................................................................358

Adding or Removing a Port Channel from a VLAN.................................................................................................359

Assigning an IP Address to a Port Channel..............................................................................................................359

Deleting or Disabling a Port Channel.........................................................................................................................360

Load Balancing Through Port Channels...................................................................................................................360

Load-Balancing Method............................................................................................................................................. 360

Changing the Hash Algorithm....................................................................................................................................360

Bulk Configuration..............................................................................................................................................................361

Interface Range............................................................................................................................................................361

Bulk Configuration Examples..................................................................................................................................... 362

Defining Interface Range Macros................................................................................................................................... 363

Define the Interface Range........................................................................................................................................363

Choosing an Interface-Range Macro........................................................................................................................364

Monitoring and Maintaining Interfaces...........................................................................................................................364

Maintenance Using TDR.............................................................................................................................................365

Non Dell-Qualified Transceivers...................................................................................................................................... 365

Splitting 100G Ports..........................................................................................................................................................366

Link Dampening................................................................................................................................................................. 366

Enabling Link Dampening............................................................................................................................................369

Link Bundle Monitoring.....................................................................................................................................................370

Using Ethernet Pause Frames for Flow Control............................................................................................................370

Enabling Pause Frames................................................................................................................................................371

Configure the MTU Size on an Interface........................................................................................................................ 371

Configuring wavelength for 10–Gigabit SFP+ optics................................................................................................... 372

Port-Pipes.......................................................................................................................................................................... 372

CR4 Auto-Negotiation...................................................................................................................................................... 372

Setting the Speed of Ethernet Interfaces......................................................................................................................373

Speed Setting on 25G Interfaces....................................................................................................................................374

Configuring 10G speed on 25G ports............................................................................................................................. 375

FEC Configuration.............................................................................................................................................................376

View Advanced Interface Information............................................................................................................................ 378

Configuring the Interface Sampling Size.................................................................................................................. 378

Configuring the Traffic Sampling Size Globally............................................................................................................. 379

Dynamic Counters..............................................................................................................................................................381

Clearing Interface Counters........................................................................................................................................381

Enhanced Validation of Interface Ranges...................................................................................................................... 382

Compressing Configuration Files.....................................................................................................................................382

OUI on 25G and 50G Interfaces......................................................................................................................................384

Configuring OUI on 25G and 50G Interfaces.......................................................................................................... 384

21 IPv4 Routing...........................................................................................................................385

IP Addresses...................................................................................................................................................................... 386

Configuration Tasks for IP Addresses............................................................................................................................ 386

Assigning IP Addresses to an Interface..........................................................................................................................386

Configuring Static Routes................................................................................................................................................ 387

12

Contents

Adding description for IPv4 and IPv6 static routes................................................................................................ 388

Configure Static Routes for the Management Interface.............................................................................................388

Using the Configured Source IP Address in ICMP Messages.....................................................................................389

Configuring the Duration to Establish a TCP Connection........................................................................................... 389

Enabling Directed Broadcast........................................................................................................................................... 390

Resolution of Host Names............................................................................................................................................... 390

Enabling Dynamic Resolution of Host Names............................................................................................................... 390

Specifying the Local System Domain and a List of Domains....................................................................................... 391

Configuring DNS with Traceroute................................................................................................................................... 391

ARP..................................................................................................................................................................................... 392

Configuration Tasks for ARP........................................................................................................................................... 392

Configuring Static ARP Entries....................................................................................................................................... 392

Enabling Proxy ARP.......................................................................................................................................................... 392

Clearing ARP Cache..........................................................................................................................................................393

ARP Learning via Gratuitous ARP...................................................................................................................................393

Enabling ARP Learning via Gratuitous ARP................................................................................................................... 393

ARP Learning via ARP Request.......................................................................................................................................393

Configuring ARP Retries.................................................................................................................................................. 394

ICMP...................................................................................................................................................................................395

Configuration Tasks for ICMP.........................................................................................................................................395

Enabling ICMP Unreachable Messages..........................................................................................................................395

ICMP Redirects................................................................................................................................................................. 395

UDP Helper........................................................................................................................................................................ 396

Enabling UDP Helper.........................................................................................................................................................397

Configuring a Broadcast Address....................................................................................................................................397

Configurations Using UDP Helper...................................................................................................................................398

UDP Helper with Broadcast-All Addresses....................................................................................................................398

UDP Helper with Subnet Broadcast Addresses............................................................................................................399

UDP Helper with Configured Broadcast Addresses..................................................................................................... 399

UDP Helper with No Configured Broadcast Addresses...............................................................................................400

Troubleshooting UDP Helper...........................................................................................................................................400

22 IPv6 Routing...........................................................................................................................401

Protocol Overview.............................................................................................................................................................401

Extended Address Space............................................................................................................................................ 401

Path MTU discovery....................................................................................................................................................401

Stateless Autoconfiguration.......................................................................................................................................402

IPv6 Headers................................................................................................................................................................403

Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support...................................................................... 403

IPv6 Header Fields...................................................................................................................................................... 403

Extension Header Fields............................................................................................................................................. 404

Addressing....................................................................................................................................................................405

Implementing IPv6 with Dell EMC Networking OS...................................................................................................... 406

ICMPv6.............................................................................................................................................................................. 406

Path MTU discovery.........................................................................................................................................................406

IPv6 Neighbor Discovery..................................................................................................................................................407

IPv6 Neighbor Discovery of MTU Packets..............................................................................................................408

Configuring the IPv6 Recursive DNS Server...........................................................................................................408

Debugging IPv6 RDNSS Information Sent to the Host ........................................................................................ 409

Displaying IPv6 RDNSS Information......................................................................................................................... 409

Contents

13

Secure Shell (SSH) Over an IPv6 Transport..................................................................................................................410

Configuration Tasks for IPv6............................................................................................................................................410

Adjusting Your CAM-Profile........................................................................................................................................410

Assigning an IPv6 Address to an Interface................................................................................................................411

Assigning a Static IPv6 Route..................................................................................................................................... 411

Configuring Telnet with IPv6......................................................................................................................................412

SNMP over IPv6.......................................................................................................................................................... 412

Displaying IPv6 Information.........................................................................................................................................412

Displaying an IPv6 Interface Information.................................................................................................................. 412

Showing IPv6 Routes.................................................................................................................................................. 413

Showing the Running-Configuration for an Interface............................................................................................. 414

Clearing IPv6 Routes................................................................................................................................................... 415

Configuring IPv6 RA Guard.............................................................................................................................................. 415

23 iSCSI Optimization.................................................................................................................. 417

iSCSI Optimization Overview............................................................................................................................................417

Monitoring iSCSI Traffic Flows...................................................................................................................................418

Application of Quality of Service to iSCSI Traffic Flows.........................................................................................418

Information Monitored in iSCSI Traffic Flows.......................................................................................................... 419

Detection and Auto-Configuration for Dell EqualLogic Arrays...............................................................................419

Configuring Detection and Ports for Dell Compellent Arrays................................................................................ 420

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................. 420

Enable and Disable iSCSI Optimization......................................................................................................................421

Default iSCSI Optimization Values...................................................................................................................................421

iSCSI Optimization Prerequisites..................................................................................................................................... 421

Configuring iSCSI Optimization....................................................................................................................................... 422

Displaying iSCSI Optimization Information.....................................................................................................................423

24 Intermediate System to Intermediate System........................................................................... 425

IS-IS Protocol Overview...................................................................................................................................................425

IS-IS Addressing................................................................................................................................................................ 425

Multi-Topology IS-IS......................................................................................................................................................... 426

Transition Mode...........................................................................................................................................................426

Interface Support........................................................................................................................................................ 426

Adjacencies...................................................................................................................................................................426

Graceful Restart................................................................................................................................................................ 427

Timers............................................................................................................................................................................427

Implementation Information............................................................................................................................................. 427

Configuration Information................................................................................................................................................ 428

Configuration Tasks for IS-IS.....................................................................................................................................428

Configuring the Distance of a Route........................................................................................................................ 435

Changing the IS-Type.................................................................................................................................................435

Redistributing IPv4 Routes.........................................................................................................................................437

Redistributing IPv6 Routes.........................................................................................................................................438

Configuring Authentication Passwords.................................................................................................................... 438

Setting the Overload Bit.............................................................................................................................................439

Debugging IS-IS...........................................................................................................................................................439

IS-IS Metric Styles............................................................................................................................................................ 440

Configure Metric Values...................................................................................................................................................440

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Contents

Maximum Values in the Routing Table..................................................................................................................... 440

Change the IS-IS Metric Style in One Level Only................................................................................................... 440

Leaks from One Level to Another............................................................................................................................. 442

Sample Configurations......................................................................................................................................................442

25 Link Aggregation Control Protocol (LACP)................................................................................445

Introduction to Dynamic LAGs and LACP......................................................................................................................445

Important Points to Remember.................................................................................................................................445

LACP Modes................................................................................................................................................................445

Configuring LACP Commands...................................................................................................................................446

LACP Configuration Tasks...............................................................................................................................................446

Creating a LAG............................................................................................................................................................ 446

Configuring the LAG Interfaces as Dynamic............................................................................................................447

Setting the LACP Long Timeout............................................................................................................................... 447

Monitoring and Debugging LACP..............................................................................................................................448

Shared LAG State Tracking............................................................................................................................................. 448

Configuring Shared LAG State Tracking..................................................................................................................449

Important Points about Shared LAG State Tracking..............................................................................................450

LACP Basic Configuration Example................................................................................................................................450

Configure a LAG on ALPHA.......................................................................................................................................450

26 Layer 2.................................................................................................................................. 458

Manage the MAC Address Table.................................................................................................................................... 458

Clearing the MAC Address Table.............................................................................................................................. 458

Setting the Aging Time for Dynamic Entries........................................................................................................... 458

Configuring a Static MAC Address........................................................................................................................... 458

Displaying the MAC Address Table...........................................................................................................................459

MAC Learning Limit.......................................................................................................................................................... 459

Setting the MAC Learning Limit................................................................................................................................459

mac learning-limit Dynamic........................................................................................................................................ 460

mac learning-limit mac-address-sticky.....................................................................................................................460

mac learning-limit station-move................................................................................................................................460

mac learning-limit no-station-move.......................................................................................................................... 460

Learning Limit Violation Actions................................................................................................................................. 461

Setting Station Move Violation Actions.................................................................................................................... 461

Recovering from Learning Limit and Station Move Violations............................................................................... 461

Disabling MAC Address Learning on the System..........................................................................................................462

Enabling port security....................................................................................................................................................... 462

NIC Teaming...................................................................................................................................................................... 462

Configure Redundant Pairs..............................................................................................................................................463

Far-End Failure Detection................................................................................................................................................ 466

FEFD State Changes.................................................................................................................................................. 466

Configuring FEFD........................................................................................................................................................ 467

Enabling FEFD on an Interface.................................................................................................................................. 468

Debugging FEFD..........................................................................................................................................................468

27 Link Layer Discovery Protocol (LLDP).......................................................................................470

802.1AB (LLDP) Overview...............................................................................................................................................470

Protocol Data Units.....................................................................................................................................................470

Contents

15

Optional TLVs..................................................................................................................................................................... 471

Management TLVs.......................................................................................................................................................471

TIA-1057 (LLDP-MED) Overview................................................................................................................................... 472

TIA Organizationally Specific TLVs............................................................................................................................473

Configure LLDP................................................................................................................................................................. 475

CONFIGURATION versus INTERFACE Configurations............................................................................................... 476

Enabling LLDP....................................................................................................................................................................477

Disabling and Undoing LLDP...................................................................................................................................... 477

Enabling LLDP on Management Ports............................................................................................................................477

Disabling and Undoing LLDP on Management Ports.............................................................................................. 477

Advertising TLVs............................................................................................................................................................... 478

Viewing the LLDP Configuration..................................................................................................................................... 478

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................... 479

Examples of Viewing Information Advertised by Neighbors.................................................................................. 479

Configuring LLDPDU Intervals......................................................................................................................................... 481

Configuring Transmit and Receive Mode....................................................................................................................... 481

Configuring the Time to Live Value.................................................................................................................................482

Debugging LLDP................................................................................................................................................................483

Relevant Management Objects.......................................................................................................................................484

28 Microsoft Network Load Balancing...........................................................................................488

Configuring a Switch for NLB ........................................................................................................................................ 489

Enabling a Switch for Multicast NLB........................................................................................................................489

29 Multicast Source Discovery Protocol (MSDP)............................................................................491

Anycast RP.........................................................................................................................................................................492

Implementation Information.............................................................................................................................................493

Configure Multicast Source Discovery Protocol...........................................................................................................493

Related Configuration Tasks......................................................................................................................................493

Enable MSDP.....................................................................................................................................................................497

Manage the Source-Active Cache..................................................................................................................................498

Viewing the Source-Active Cache............................................................................................................................ 498

Limiting the Source-Active Cache............................................................................................................................ 498

Clearing the Source-Active Cache............................................................................................................................498

Enabling the Rejected Source-Active Cache...........................................................................................................499

Accept Source-Active Messages that Fail the RFP Check.........................................................................................499

Specifying Source-Active Messages...............................................................................................................................501

Limiting the Source-Active Messages from a Peer......................................................................................................502

Preventing MSDP from Caching a Local Source..........................................................................................................502

Preventing MSDP from Caching a Remote Source..................................................................................................... 502

Preventing MSDP from Advertising a Local Source.................................................................................................... 503

Logging Changes in Peership States..............................................................................................................................504

Terminating a Peership.....................................................................................................................................................504

Clearing Peer Statistics.................................................................................................................................................... 504

Debugging MSDP..............................................................................................................................................................505

MSDP with Anycast RP................................................................................................................................................... 505

Configuring Anycast RP...................................................................................................................................................506

Reducing Source-Active Message Flooding............................................................................................................ 507

Specifying the RP Address Used in SA Messages..................................................................................................507

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Contents

MSDP Sample Configurations.........................................................................................................................................509

30 Multicast Listener Discovery Protocol.......................................................................................512

MLD timers......................................................................................................................................................................... 515

Reducing Host Response Burstiness.........................................................................................................................515

Configuring MLD Version..................................................................................................................................................516

Clearing MLD groups.........................................................................................................................................................516

Debugging MLD................................................................................................................................................................. 516

Explicit Tracking................................................................................................................................................................. 516

Reducing Leave Latency...................................................................................................................................................516

Displaying MLD groups table............................................................................................................................................516

Displaying MLD Interfaces................................................................................................................................................ 517

MLD Snooping....................................................................................................................................................................517

Enable MLD Snooping................................................................................................................................................. 517

Disable MLD Snooping.................................................................................................................................................517

Configure the switch as a querier..............................................................................................................................518

Specify port as connected to multicast router........................................................................................................ 518

Enable Snooping Explicit Tracking............................................................................................................................. 518

Display the MLD Snooping Table............................................................................................................................... 518

31 Multiple Spanning Tree Protocol (MSTP).................................................................................. 519

Spanning Tree Variations................................................................................................................................................. 520

Implementation Information.......................................................................................................................................520

Configure Multiple Spanning Tree Protocol...................................................................................................................520

Related Configuration Tasks......................................................................................................................................520

Enable Multiple Spanning Tree Globally.......................................................................................................................... 521

Adding and Removing Interfaces.....................................................................................................................................521

Creating Multiple Spanning Tree Instances....................................................................................................................521

Influencing MSTP Root Selection................................................................................................................................... 523

Interoperate with Non-Dell Bridges................................................................................................................................ 523

Changing the Region Name or Revision.........................................................................................................................523

Modifying Global Parameters.......................................................................................................................................... 524

Modifying the Interface Parameters...............................................................................................................................525

Setting STP path cost as constant................................................................................................................................ 525

Configuring an EdgePort..................................................................................................................................................526

Flush MAC Addresses after a Topology Change.......................................................................................................... 526

MSTP Sample Configurations..........................................................................................................................................527

Debugging and Verifying MSTP Configurations............................................................................................................ 531

32 Multicast Features..................................................................................................................533

Enabling IP Multicast........................................................................................................................................................ 533

Implementation Information.............................................................................................................................................533

Multicast Policies...............................................................................................................................................................534

IPv4 Multicast Policies................................................................................................................................................534

Understanding Multicast Traceroute (mtrace)..............................................................................................................541

Printing Multicast Traceroute (mtrace) Paths...............................................................................................................541

Supported Error Codes.................................................................................................................................................... 543

mtrace Scenarios.............................................................................................................................................................. 543

Contents

17

33 Object Tracking......................................................................................................................549

Object Tracking Overview............................................................................................................................................... 549

Track Layer 2 Interfaces............................................................................................................................................ 550

Track Layer 3 Interfaces............................................................................................................................................ 550

Track IPv4 and IPv6 Routes...................................................................................................................................... 550

Set Tracking Delays..................................................................................................................................................... 551

VRRP Object Tracking................................................................................................................................................552

Object Tracking Configuration........................................................................................................................................ 552

Tracking a Layer 2 Interface...................................................................................................................................... 552

Tracking a Layer 3 Interface...................................................................................................................................... 553

Track an IPv4/IPv6 Route......................................................................................................................................... 554

Displaying Tracked Objects..............................................................................................................................................557

34 Open Shortest Path First (OSPFv2 and OSPFv3)...................................................................... 559

Protocol Overview............................................................................................................................................................ 559

Autonomous System (AS) Areas.............................................................................................................................. 559

Area Types................................................................................................................................................................... 560

Networks and Neighbors............................................................................................................................................ 561

Router Types................................................................................................................................................................ 561

Designated and Backup Designated Routers.......................................................................................................... 562

Link-State Advertisements (LSAs)...........................................................................................................................562

Router Priority and Cost.............................................................................................................................................563

OSPF with Dell EMC Networking OS.............................................................................................................................564

Graceful Restart.......................................................................................................................................................... 564

Fast Convergence (OSPFv2, IPv4 Only).................................................................................................................565

Multi-Process OSPFv2 with VRF............................................................................................................................. 565

OSPF ACK Packing.....................................................................................................................................................566

Setting OSPF Adjacency with Cisco Routers..........................................................................................................566

Configuration Information................................................................................................................................................566

Configuration Task List for OSPFv2 (OSPF for IPv4)........................................................................................... 567

Configuration Task List for OSPFv3 (OSPF for IPv6)................................................................................................. 578

Enabling IPv6 Unicast Routing...................................................................................................................................579

Assigning IPv6 Addresses on an Interface............................................................................................................... 579

Assigning Area ID on an Interface............................................................................................................................. 579

Assigning OSPFv3 Process ID and Router ID Globally........................................................................................... 580

Assigning OSPFv3 Process ID and Router ID to a VRF......................................................................................... 580

Configuring Stub Areas.............................................................................................................................................. 580

Configuring Passive-Interface....................................................................................................................................581

Redistributing Routes.................................................................................................................................................. 581

Configuring a Default Route....................................................................................................................................... 581

Applying cost for OSPFv3..........................................................................................................................................582

Enabling OSPFv3 Graceful Restart...........................................................................................................................582

OSPFv3 Authentication Using IPsec........................................................................................................................ 584

Troubleshooting OSPFv3...........................................................................................................................................589

MIB Support for OSPFv3.................................................................................................................................................590

Viewing the OSPFv3 MIB........................................................................................................................................... 591

35 Policy-based Routing (PBR).................................................................................................... 592

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Contents

Overview............................................................................................................................................................................ 592

Implementing PBR............................................................................................................................................................ 593

Configuration Task List for Policy-based Routing........................................................................................................ 593

Create a Redirect List.................................................................................................................................................594

Create a Rule for a Redirect-list................................................................................................................................594

Apply a Redirect-list to an Interface using a Redirect-group................................................................................ 595

Sample Configuration....................................................................................................................................................... 597

36 PIM Sparse-Mode (PIM-SM)................................................................................................... 602

Implementation Information.............................................................................................................................................602

Protocol Overview............................................................................................................................................................ 602

Requesting Multicast Traffic..................................................................................................................................... 602

Refuse Multicast Traffic.............................................................................................................................................602

Send Multicast Traffic................................................................................................................................................ 603

Configuring PIM-SM.........................................................................................................................................................603

Related Configuration Tasks......................................................................................................................................603

Enable PIM-SM................................................................................................................................................................. 603

Configuring S,G Expiry Timers........................................................................................................................................ 604

Configuring a Static Rendezvous Point......................................................................................................................... 605

Overriding Bootstrap Router Updates..................................................................................................................... 605

Configuring a Designated Router....................................................................................................................................605

Creating Multicast Boundaries and Domains.................................................................................................................606

Electing an RP using the BSR Mechanism.................................................................................................................... 606

37 PIM Source-Specific Mode (PIM-SSM).................................................................................... 608

Implementation Information.............................................................................................................................................608

Configure PIM-SSM......................................................................................................................................................... 608

Enabling PIM-SSM............................................................................................................................................................609

Use PIM-SSM with IGMP Version 2 Hosts................................................................................................................... 609

Electing an RP using the BSR Mechanism..................................................................................................................... 610

Enabling RP to Server Specific Multicast Groups.................................................................................................... 611

38 Port Monitoring...................................................................................................................... 613

Important Points to Remember....................................................................................................................................... 613

Port Monitoring..................................................................................................................................................................613

Configuring Port Monitoring.............................................................................................................................................615

Configuring Monitor Multicast Queue.............................................................................................................................616

Flow-Based Monitoring..................................................................................................................................................... 617

Enabling Flow-Based Monitoring............................................................................................................................... 618

Remote Port Mirroring..................................................................................................................................................... 620

Remote Port Mirroring Example................................................................................................................................620

Configuring Remote Port Mirroring...........................................................................................................................621

Displaying Remote-Port Mirroring Configurations..................................................................................................622

Configuration procedure for Remote Port Mirroring..............................................................................................622

Encapsulated Remote Port Monitoring..........................................................................................................................626

ERPM Behavior on a typical Dell EMC Networking OS ..............................................................................................628

Port Monitoring on VLT................................................................................................................................................... 629

39 Private VLANs (PVLAN).......................................................................................................... 632

Contents

19

Private VLAN Concepts................................................................................................................................................... 632

Using the Private VLAN Commands...............................................................................................................................633

Configuration Task List.....................................................................................................................................................634

Creating PVLAN ports................................................................................................................................................634

Creating a Primary VLAN........................................................................................................................................... 634

Creating a Community VLAN.................................................................................................................................... 635

Creating an Isolated VLAN.........................................................................................................................................636

Private VLAN Configuration Example.............................................................................................................................637

Inspecting the Private VLAN Configuration.................................................................................................................. 638

40 Per-VLAN Spanning Tree Plus (PVST+)....................................................................................640

Protocol Overview............................................................................................................................................................ 640

Implementation Information..............................................................................................................................................641

Configure Per-VLAN Spanning Tree Plus.......................................................................................................................641

Enabling PVST+................................................................................................................................................................. 641

Disabling PVST+.................................................................................................................................................................641

Influencing PVST+ Root Selection..................................................................................................................................642

Modifying Global PVST+ Parameters.............................................................................................................................643

Modifying Interface PVST+ Parameters........................................................................................................................644

Configuring an EdgePort..................................................................................................................................................644

PVST+ in Multi-Vendor Networks..................................................................................................................................645

Enabling PVST+ Extend System ID................................................................................................................................ 645

PVST+ Sample Configurations........................................................................................................................................646

41 Quality of Service (QoS).......................................................................................................... 648

Implementation Information.............................................................................................................................................650

Port-Based QoS Configurations..................................................................................................................................... 650

Setting dot1p Priorities for Incoming Traffic............................................................................................................650

Honoring dot1p Priorities on Ingress Traffic............................................................................................................. 651

Configuring Port-Based Rate Policing.......................................................................................................................651

Configuring Port-Based Rate Shaping......................................................................................................................651

Policy-Based QoS Configurations...................................................................................................................................652

Classify Traffic.............................................................................................................................................................652

Dot1p to Queue Mapping Requirement....................................................................................................................655

Create a QoS Policy....................................................................................................................................................656

DSCP Color Maps....................................................................................................................................................... 658

Create Policy Maps.....................................................................................................................................................659

Enabling QoS Rate Adjustment....................................................................................................................................... 662

Enabling Strict-Priority Queueing....................................................................................................................................662

Queue Classification Requirements for PFC Functionality.......................................................................................... 663

Support for marking dot1p value in L3 Input Qos Policy.............................................................................................. 663

Weighted Random Early Detection.................................................................................................................................664

Enabling and Disabling WRED Globally..................................................................................................................... 664

Creating WRED Profiles............................................................................................................................................. 665

Applying a WRED Profile to Traffic...........................................................................................................................665

Displaying Default and Configured WRED Profiles................................................................................................. 665

Displaying WRED Drop Statistics..............................................................................................................................665

Displaying egress–queue Statistics...........................................................................................................................666

Pre-Calculating Available QoS CAM Space...................................................................................................................666

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Dell PowerSwitch S5048F-ON Administrator Guide

Dell PowerSwitch S5048F-ON Administrator Guide

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