Dell PowerSwitch S6100-ON User guide

Dell Conguration Guide for the S6100–ON

System

9.14.0.0

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.

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2018 - 07

Rev. A00

Contents

1 About this Guide...........................................................................................................................................37

Audience............................................................................................................................................................................37

Conventions...................................................................................................................................................................... 37

Related Documents..........................................................................................................................................................37

2 Conguration Fundamentals........................................................................................................................ 38

Accessing the Command Line........................................................................................................................................38

CLI Modes.........................................................................................................................................................................39

Navigating CLI Modes...............................................................................................................................................40

The do Command............................................................................................................................................................ 43

Undoing Commands........................................................................................................................................................ 44

Obtaining Help..................................................................................................................................................................44

Entering and Editing Commands....................................................................................................................................44

Command History............................................................................................................................................................45

Filtering show Command Outputs.................................................................................................................................45

Example of the grep Keyword.................................................................................................................................. 46

Multiple Users in Conguration Mode...........................................................................................................................46

Conguring alias command.............................................................................................................................................47

Viewing alias conguration........................................................................................................................................47

3 Getting Started............................................................................................................................................49

Console Access................................................................................................................................................................50

Serial Console.............................................................................................................................................................50

Micro USB-B Access..................................................................................................................................................51

Default Conguration...................................................................................................................................................... 52

Conguring a Host Name............................................................................................................................................... 52

Accessing the System Remotely....................................................................................................................................52

Accessing the System Remotely..............................................................................................................................52

Congure the Management Port IP Address......................................................................................................... 52

Congure a Management Route..............................................................................................................................53

Conguring a Username and Password..................................................................................................................53

Conguring the Enable Password..................................................................................................................................54

Conguration File Management.....................................................................................................................................54

Copy Files to and from the System......................................................................................................................... 54

Mounting an NFS File System..................................................................................................................................55

Save the Running-Conguration..............................................................................................................................57

Congure the Overload Bit for a Startup Scenario................................................................................................57

Viewing Files............................................................................................................................................................... 57

Managing the File System.............................................................................................................................................. 58

View Command History.................................................................................................................................................. 59

Upgrading Dell EMC Networking OS............................................................................................................................ 59

Using HTTP for File Transfers........................................................................................................................................ 59

Contents

3

Verify Software Images Before Installation...................................................................................................................60

4 Management................................................................................................................................................62

Conguring Privilege Levels............................................................................................................................................62

Creating a Custom Privilege Level...........................................................................................................................63

Removing a Command from EXEC Mode.............................................................................................................. 63

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................63

Allowing Access to CONFIGURATION Mode Commands....................................................................................63

Allowing Access to Dierent Modes........................................................................................................................63

Applying a Privilege Level to a Username...............................................................................................................65

Applying a Privilege Level to a Terminal Line.......................................................................................................... 65

Conguring Logging........................................................................................................................................................ 65

Audit and Security Logs............................................................................................................................................ 66

Conguring Logging Format ...................................................................................................................................67

Setting Up a Secure Connection to a Syslog Server.............................................................................................67

Log Messages in the Internal Buer..............................................................................................................................69

Conguration Task List for System Log Management..........................................................................................69

Disabling System Logging...............................................................................................................................................69

Sending System Messages to a Syslog Server............................................................................................................69

Conguring a UNIX System as a Syslog Server.....................................................................................................69

Track Login Activity..........................................................................................................................................................70

Restrictions for Tracking Login Activity...................................................................................................................70

Conguring Login Activity Tracking......................................................................................................................... 70

Display Login Statistics...............................................................................................................................................71

Limit Concurrent Login Sessions....................................................................................................................................72

Restrictions for Limiting the Number of Concurrent Sessions.............................................................................72

Conguring Concurrent Session Limit.....................................................................................................................72

Enabling the System to Clear Existing Sessions.................................................................................................... 73

Enabling Secured CLI Mode............................................................................................................................................74

Changing System Logging Settings...............................................................................................................................74

Display the Logging Buer and the Logging Conguration........................................................................................ 75

Conguring a UNIX Logging Facility Level....................................................................................................................75

Synchronizing Log Messages......................................................................................................................................... 76

Enabling Timestamp on Syslog Messages.................................................................................................................... 77

File Transfer Services.......................................................................................................................................................77

Conguration Task List for File Transfer Services.................................................................................................. 77

Enabling the FTP Server........................................................................................................................................... 78

Conguring FTP Server Parameters........................................................................................................................78

Conguring FTP Client Parameters......................................................................................................................... 78

Terminal Lines................................................................................................................................................................... 79

Denying and Permitting Access to a Terminal Line................................................................................................79

Conguring Login Authentication for Terminal Lines.............................................................................................80

Setting Timeout for EXEC Privilege Mode....................................................................................................................81

Using Telnet to get to Another Network Device..........................................................................................................82

Lock CONFIGURATION Mode....................................................................................................................................... 82

Viewing the Conguration Lock Status...................................................................................................................82

4

Contents

LPC Bus Quality Degradation......................................................................................................................................... 83

LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................84

Restoring the Factory Default Settings.........................................................................................................................84

Important Points to Remember................................................................................................................................84

Restoring Factory Default Environment Variables................................................................................................. 85

Reloading the system...................................................................................................................................................... 86

Viewing the Reason for Last System Reboot...............................................................................................................87

5 802.1X..........................................................................................................................................................88

Port-Authentication Process..........................................................................................................................................90

EAP over RADIUS.......................................................................................................................................................91

Conguring 802.1X........................................................................................................................................................... 91

Related Conguration Tasks......................................................................................................................................91

Important Points to Remember......................................................................................................................................92

Enabling 802.1X................................................................................................................................................................ 92

Conguring dot1x Prole ................................................................................................................................................93

Conguring MAC addresses for a do1x Prole.............................................................................................................94

Conguring the Static MAB and MAB Prole .............................................................................................................94

Conguring Critical VLAN ..............................................................................................................................................95

Conguring Request Identity Re-Transmissions...........................................................................................................96

Conguring a Quiet Period after a Failed Authentication..................................................................................... 96

Conguring a Quiet Period after a Failed Authentication............................................................................................97

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 98

Re-Authenticating a Port................................................................................................................................................99

Conguring Dynamic VLAN Assignment with Port Authentication.........................................................................100

Guest and Authentication-Fail VLANs..........................................................................................................................101

Conguring a Guest VLAN...................................................................................................................................... 101

Conguring an Authentication-Fail VLAN..............................................................................................................101

Conguring Timeouts...............................................................................................................................................102

Multi-Host Authentication.............................................................................................................................................103

Conguring Multi-Host AuthenticationConguring Single-Host Authentication............................................. 105

Multi-Supplicant Authentication...................................................................................................................................106

Conguring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication.............................106

MAC Authentication Bypass......................................................................................................................................... 107

MAB in Single-host and Multi-Host Mode............................................................................................................108

MAB in Multi-Supplicant Authentication Mode....................................................................................................108

Conguring MAC Authentication Bypass..............................................................................................................108

Dynamic CoS with 802.1X............................................................................................................................................. 109

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)....................................111

Optimizing CAM Utilization During the Attachment of ACLs to VLANs...................................................................111

Guidelines for Conguring ACL VLAN Groups............................................................................................................ 112

Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters................................................112

Conguring ACL VLAN Groups............................................................................................................................... 112

Conguring FP Blocks for VLAN Parameters........................................................................................................113

Viewing CAM Usage....................................................................................................................................................... 114

Contents

5

Allocating FP Blocks for VLAN Processes................................................................................................................... 115

ACL Optimization to Increase Number of Supported IPv4 ACLs..............................................................................116

Restrictions for ACL Optimization.......................................................................................................................... 116

Optimizing ACL for More Number of IPv4 ACL Rules..........................................................................................116

7 Access Control Lists (ACLs)........................................................................................................................118

IP Access Control Lists (ACLs)......................................................................................................................................119

CAM Usage................................................................................................................................................................119

Implementing ACLs on Dell EMC Networking OS................................................................................................120

Congure ACL Range Proles................................................................................................................................ 122

Important Points to Remember.................................................................................................................................... 122

Conguration Task List for Route Maps................................................................................................................ 123

Conguring Match Routes...................................................................................................................................... 125

Conguring Set Conditions..................................................................................................................................... 126

Congure a Route Map for Route Redistribution................................................................................................. 127

Congure a Route Map for Route Tagging............................................................................................................128

Continue Clause........................................................................................................................................................128

IP Fragment Handling.................................................................................................................................................... 128

IP Fragments ACL Examples...................................................................................................................................129

Layer 4 ACL Rules Examples...................................................................................................................................129

Congure a Standard IP ACL........................................................................................................................................130

Conguring a Standard IP ACL Filter......................................................................................................................131

Congure an Extended IP ACL..................................................................................................................................... 132

Conguring Filters with a Sequence Number....................................................................................................... 132

Conguring Filters Without a Sequence Number................................................................................................ 135

Congure Layer 2 and Layer 3 ACLs............................................................................................................................135

Assign an IP ACL to an Interface..................................................................................................................................136

Applying an IP ACL.........................................................................................................................................................136

Counting ACL Hits....................................................................................................................................................137

Congure Ingress ACLs..................................................................................................................................................137

Congure Egress ACLs.................................................................................................................................................. 138

Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 138

IP Prex Lists.................................................................................................................................................................. 139

Implementation Information.................................................................................................................................... 139

Conguration Task List for Prex Lists.................................................................................................................. 140

ACL Remarks.................................................................................................................................................................. 143

Conguring a Remark.............................................................................................................................................. 143

Deleting a Remark.................................................................................................................................................... 144

ACL Resequencing......................................................................................................................................................... 144

Resequencing an ACL or Prex List.......................................................................................................................145

Route Maps.....................................................................................................................................................................146

Implementation Information.................................................................................................................................... 146

8 Bidirectional Forwarding Detection (BFD).................................................................................................. 147

How BFD Works............................................................................................................................................................. 147

BFD Packet Format..................................................................................................................................................148

6

Contents

BFD Sessions............................................................................................................................................................ 149

BFD Three-Way Handshake....................................................................................................................................150

Session State Changes............................................................................................................................................152

Important Points to Remember.................................................................................................................................... 152

Congure BFD................................................................................................................................................................ 152

Congure BFD for Physical Ports...........................................................................................................................153

Congure BFD for Static Routes............................................................................................................................156

Congure BFD for IPv6 Static Routes...................................................................................................................160

Congure BFD for OSPF.........................................................................................................................................162

Congure BFD for OSPFv3.....................................................................................................................................167

Congure BFD for IS-IS...........................................................................................................................................170

Congure BFD for BGP........................................................................................................................................... 172

Congure BFD for VRRP.........................................................................................................................................180

Conguring Protocol Liveness................................................................................................................................ 182

9 Border Gateway Protocol (BGP)................................................................................................................ 183

Border Gateway Protocol version 4 (BGPv4).............................................................................................................183

Autonomous Systems (AS)........................................................................................................................................... 183

AS4 Number Representation.................................................................................................................................. 185

Four-Byte AS Numbers............................................................................................................................................187

Multiprotocol BGP.......................................................................................................................................................... 187

MBGP for IPv4 MulticastBGP Address Family modelIPv4 and IPv6 address family....................................... 188

Sessions and Peers........................................................................................................................................................ 188

Establish a Session................................................................................................................................................... 188

Implementing BGP global and address family.............................................................................................................189

BGP global conguration default values................................................................................................................190

BGP Attributes for selecting Best Path.......................................................................................................................190

Best Path Selection Criteria.....................................................................................................................................191

Weight........................................................................................................................................................................192

Local Preference.......................................................................................................................................................193

Multi-Exit Discriminators (MEDs)...........................................................................................................................193

Origin..........................................................................................................................................................................194

AS Path......................................................................................................................................................................195

Next Hop................................................................................................................................................................... 195

Implement BGP with Dell EMC Networking OS.........................................................................................................195

Additional Path (Add-Path) Support......................................................................................................................195

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 196

Ignore Router-ID in Best-Path Calculation............................................................................................................ 196

AS Number Migration.............................................................................................................................................. 196

BGP4 Management Information Base (MIB)........................................................................................................197

Important Points to Remember.............................................................................................................................. 197

Conguration Information..............................................................................................................................................198

Conguring a basic BGP network................................................................................................................................ 199

Enabling BGP............................................................................................................................................................ 199

Conguring a BGP peer..........................................................................................................................................202

Conguring AS4 Number Representations.......................................................................................................... 203

Contents

7

Conguring a BGP VRF address family................................................................................................................ 204

Route-refresh and Soft-reconguration...............................................................................................................205

Aggregating Routes.................................................................................................................................................208

Filtering BGP Routes...............................................................................................................................................209

Filtering BGP Routes Using Route Maps...............................................................................................................210

Filtering BGP Routes Using AS-PATH Information............................................................................................... 211

Conguring Peer Groups......................................................................................................................................... 212

Conguring BGP Fast Fall-Over............................................................................................................................ 220

Conguring Passive Peering................................................................................................................................... 221

Maintaining Existing AS Numbers During an AS Migration................................................................................ 222

Allowing an AS Number to Appear in its Own AS Path.......................................................................................223

Enabling Graceful Restart.......................................................................................................................................224

Filtering on an AS-Path Attribute.......................................................................................................................... 225

Regular Expressions as Filters................................................................................................................................226

Redistributing Routes.............................................................................................................................................. 227

Enabling Additional Paths........................................................................................................................................228

Conguring IP Community Lists............................................................................................................................ 228

Conguring an IP Extended Community List....................................................................................................... 229

Filtering Routes with Community Lists................................................................................................................. 230

Manipulating the COMMUNITY Attribute.............................................................................................................231

Changing MED Attributes.......................................................................................................................................232

Changing the LOCAL_PREFERENCE Attribute..................................................................................................233

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes.............233

Changing the WEIGHT Attribute........................................................................................................................... 234

Enabling Multipath...................................................................................................................................................234

Route Reectors......................................................................................................................................................235

Conguring BGP Confederations.......................................................................................................................... 236

Enabling Route Flap Dampening............................................................................................................................ 236

Changing BGP Timers.............................................................................................................................................239

Setting the extended timer.................................................................................................................................... 239

Enabling or disabling BGP neighbors.....................................................................................................................240

Route Map Continue................................................................................................................................................ 241

Enabling MBGP Congurations....................................................................................................................................242

MBGP support for IPv6................................................................................................................................................ 242

Conguring IPv6 MBGP between peers.....................................................................................................................242

Example-Conguring IPv4 and IPv6 neighbors......................................................................................................... 243

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor............................................... 245

BGP Regular Expression Optimization........................................................................................................................ 247

Debugging BGP..............................................................................................................................................................247

Storing Last and Bad PDUs....................................................................................................................................248

Capturing PDUs....................................................................................................................................................... 249

PDU Counters..........................................................................................................................................................250

10 Content Addressable Memory (CAM)....................................................................................................... 251

CAM Allocation............................................................................................................................................................... 251

Test CAM Usage............................................................................................................................................................253

8

Contents

View CAM-ACL Settings.............................................................................................................................................. 253

View CAM Usage...........................................................................................................................................................254

Conguring CAM Threshold and Silence Period........................................................................................................255

Setting CAM Threshold and Silence Period......................................................................................................... 255

CAM Optimization......................................................................................................................................................... 256

Troubleshoot CAM Proling..........................................................................................................................................256

QoS CAM Region Limitation...................................................................................................................................256

Syslog Error When the Table is Full....................................................................................................................... 256

Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................257

Syslog Warning for Discrepancies Between Congured Extended Prexes.................................................... 257

Unied Forwarding Table (UFT) Modes......................................................................................................................257

Conguring UFT Modes..........................................................................................................................................257

IPv6 CAM ACL Region..................................................................................................................................................258

Important Points to Remember............................................................................................................................. 258

Convert the IPv6 ACL CAM to Double-Wide.......................................................................................................258

Sharing CAM space between IPv4 QoS and IPv6 ACLs.................................................................................... 259

11 Control Plane Policing (CoPP).................................................................................................................. 260

Congure Control Plane Policing.................................................................................................................................. 261

Conguring CoPP for Protocols............................................................................................................................ 262

Conguring CoPP for CPU Queues...................................................................................................................... 264

Protocol to CPU Queue Mapping..........................................................................................................................265

Conguring Protocol to CPU Queue Mapping.....................................................................................................265

Displaying CoPP Conguration .............................................................................................................................266

12 Data Center Bridging (DCB).....................................................................................................................268

Ethernet Enhancements in Data Center Bridging..................................................................................................... 268

Priority-Based Flow Control................................................................................................................................... 269

Enhanced Transmission Selection..........................................................................................................................270

Data Center Bridging Exchange Protocol (DCBx)................................................................................................271

Data Center Bridging in a Trac Flow...................................................................................................................272

Enabling Data Center Bridging..................................................................................................................................... 272

DCB Maps and its Attributes..................................................................................................................................273

Data Center Bridging: Default Conguration..............................................................................................................273

Conguring Priority-Based Flow Control.................................................................................................................... 274

Conguring Lossless Queues..................................................................................................................................275

Conguring PFC in a DCB Map................................................................................................................................... 276

PFC Conguration Notes........................................................................................................................................276

PFC Prerequisites and Restrictions....................................................................................................................... 277

Applying a DCB Map on a Port.....................................................................................................................................277

Conguring PFC without a DCB Map.........................................................................................................................278

Conguring PFC Asymmetric.......................................................................................................................................278

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................279

Pause and Resume of Trac..................................................................................................................................279

Buer Sizes for Lossless or PFC Packets.............................................................................................................279

Shared headroom for lossless or PFC packets.......................................................................................................... 280

Contents

9

Example Scenario.................................................................................................................................................... 280

Conguring Shared Head Room Buer................................................................................................................ 282

Viewing Shared Head Room Usage.......................................................................................................................282

Monitoring Buer Statistics for Tracking Purposes.............................................................................................282

Behavior of Tagged Packets.........................................................................................................................................283

SNMP Support for PFC and Buer Statistics Tracking............................................................................................283

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................284

Conguration Example for DSCP and PFC Priorities................................................................................................284

Using PFC to Manage Converged Ethernet Trac.................................................................................................. 285

Generation of PFC for a Priority for Untagged Packets...........................................................................................285

Congure Enhanced Transmission Selection..............................................................................................................285

Creating an ETS Priority Group............................................................................................................................. 285

ETS Operation with DCBx...................................................................................................................................... 287

Conguring ETS in a DCB Map..............................................................................................................................287

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 288

Using ETS to Manage Converged Ethernet Trac...................................................................................................289

Applying DCB Policies in a Switch Stack.................................................................................................................... 289

Congure a DCBx Operation........................................................................................................................................289

DCBx Operation.......................................................................................................................................................289

DCBx Port Roles......................................................................................................................................................290

DCB Conguration Exchange................................................................................................................................. 291

Conguration Source Election................................................................................................................................ 291

Propagation of DCB Information............................................................................................................................292

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 292

DCBx Example..........................................................................................................................................................293

DCBx Prerequisites and Restrictions.....................................................................................................................293

Conguring DCBx....................................................................................................................................................293

Verifying the DCB Conguration..................................................................................................................................297

QoS dot1p Trac Classication and Queue Assignment..........................................................................................304

Conguring the Dynamic Buer Method................................................................................................................... 305

Sample DCB Conguration...........................................................................................................................................306

PFC and ETS Conguration Command Examples...............................................................................................307

13 Dynamic Host Conguration Protocol (DHCP).........................................................................................308

DHCP Packet Format and Options............................................................................................................................. 308

Assign an IP Address using DHCP................................................................................................................................310

Implementation Information........................................................................................................................................... 311

Congure the System to be a DHCP Server............................................................................................................... 311

Conguring the Server for Automatic Address Allocation...................................................................................312

Specifying a Default Gateway.................................................................................................................................313

Congure a Method of Hostname Resolution...................................................................................................... 313

Using DNS for Address Resolution.........................................................................................................................313

Using NetBIOS WINS for Address Resolution...................................................................................................... 314

Creating Manual Binding Entries.............................................................................................................................314

Debugging the DHCP Server..................................................................................................................................314

Using DHCP Clear Commands............................................................................................................................... 315

10

Contents

Congure the System to be a DHCP Client................................................................................................................315

Conguring the DHCP Client System....................................................................................................................315

DHCP Client on a Management Interface.............................................................................................................317

DHCP Client Operation with Other Features........................................................................................................317

DHCP Relay When DHCP Server and Client are in Dierent VRFs.........................................................................318

Conguring Route Leaking between VRFs on DHCP Relay Agent.................................................................... 318

Congure the System for User Port Stacking (Option 230)....................................................................................320

Congure Secure DHCP...............................................................................................................................................320

Option 82..................................................................................................................................................................320

DHCP Snooping........................................................................................................................................................321

Drop DHCP Packets on Snooped VLANs Only....................................................................................................326

Dynamic ARP Inspection.........................................................................................................................................326

Conguring Dynamic ARP Inspection....................................................................................................................327

Source Address Validation............................................................................................................................................ 328

Enabling IP Source Address Validation.................................................................................................................. 328

DHCP MAC Source Address Validation................................................................................................................ 329

Enabling IP+MAC Source Address Validation.......................................................................................................329

Viewing the Number of SAV Dropped Packets................................................................................................... 330

Clearing the Number of SAV Dropped Packets...................................................................................................330

14 Equal Cost Multi-Path (ECMP).................................................................................................................331

ECMP for Flow-Based Anity......................................................................................................................................331

Conguring the Hash Algorithm Seed................................................................................................................... 331

Link Bundle Monitoring.................................................................................................................................................. 331

Managing ECMP Group Paths...............................................................................................................................332

Creating an ECMP Group Bundle.......................................................................................................................... 332

Modifying the ECMP Group Threshold.................................................................................................................333

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................333

Support for ECMP in host table............................................................................................................................ 334

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 334

RTAG7....................................................................................................................................................................... 334

Flow-based Hashing for ECMP............................................................................................................................. 335

15 FIP Snooping............................................................................................................................................339

Fibre Channel over Ethernet........................................................................................................................................ 339

Ensure Robustness in a Converged Ethernet Network............................................................................................339

FIP Snooping on Ethernet Bridges...............................................................................................................................341

Using FIP Snooping....................................................................................................................................................... 343

FIP Snooping Prerequisites.....................................................................................................................................343

Important Points to Remember..............................................................................................................................343

Enabling the FCoE Transit Feature........................................................................................................................344

Enable FIP Snooping on VLANs.............................................................................................................................345

Congure the FC-MAP Value................................................................................................................................ 345

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................345

Congure a Port for a Bridge-to-FCF Link...........................................................................................................345

Impact on Other Software Features..................................................................................................................... 346

Contents

11

FIP Snooping Restrictions...................................................................................................................................... 346

Conguring FIP Snooping.......................................................................................................................................346

Displaying FIP Snooping Information...........................................................................................................................347

FCoE Transit Conguration Example...........................................................................................................................352

16 Flex Hash and Optimized Boot-Up............................................................................................................354

Flex Hash Capability Overview.................................................................................................................................... 354

Conguring the Flex Hash Mechanism.......................................................................................................................354

Conguring Fast Boot and LACP Fast Switchover...................................................................................................355

Optimizing the Boot Time.............................................................................................................................................355

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................355

Guidelines for Conguring Optimized Booting Mechanism................................................................................356

Interoperation of Applications with Fast Boot and System States.......................................................................... 357

LACP and IPv4 Routing.......................................................................................................................................... 357

LACP and IPv6 Routing.......................................................................................................................................... 357

BGP Graceful Restart............................................................................................................................................. 358

Cold Boot Caused by Power Cycling the System............................................................................................... 358

Unexpected Reload of the System........................................................................................................................358

Software Upgrade................................................................................................................................................... 358

LACP Fast Switchover............................................................................................................................................358

Changes to BGP Multipath.................................................................................................................................... 359

Delayed Installation of ECMP Routes Into BGP...................................................................................................359

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 359

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces......................................................................................360

17 Force10 Resilient Ring Protocol (FRRP)....................................................................................................361

Protocol Overview..........................................................................................................................................................361

Ring Status............................................................................................................................................................... 362

Multiple FRRP Rings............................................................................................................................................... 362

Important FRRP Points...........................................................................................................................................363

Important FRRP Concepts..................................................................................................................................... 364

Implementing FRRP...................................................................................................................................................... 365

FRRP Conguration...................................................................................................................................................... 365

Creating the FRRP Group...................................................................................................................................... 365

Conguring the Control VLAN...............................................................................................................................366

Conguring and Adding the Member VLANs.......................................................................................................367

Setting the FRRP Timers........................................................................................................................................368

Clearing the FRRP Counters..................................................................................................................................368

Viewing the FRRP Conguration...........................................................................................................................368

Viewing the FRRP Information.............................................................................................................................. 369

Troubleshooting FRRP.................................................................................................................................................. 369

Conguration Checks..............................................................................................................................................369

Sample Conguration and Topology............................................................................................................................369

FRRP Support on VLT....................................................................................................................................................371

Example Scenario..................................................................................................................................................... 371

Important Points to Remember..............................................................................................................................372

12

Contents

18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 374

Important Points to Remember....................................................................................................................................374

Congure GVRP.............................................................................................................................................................375

Related Conguration Tasks................................................................................................................................... 375

Enabling GVRP Globally................................................................................................................................................ 376

Enabling GVRP on a Layer 2 Interface........................................................................................................................376

Congure GVRP Registration.......................................................................................................................................376

Congure a GARP Timer...............................................................................................................................................377

19 Internet Group Management Protocol (IGMP)..........................................................................................378

IGMP Implementation Information...............................................................................................................................378

IGMP Protocol Overview.............................................................................................................................................. 378

IGMP Version 2........................................................................................................................................................ 378

IGMP Version 3........................................................................................................................................................380

Congure IGMP............................................................................................................................................................. 383

Related Conguration Tasks...................................................................................................................................383

Viewing IGMP Enabled Interfaces............................................................................................................................... 384

Selecting an IGMP Version...........................................................................................................................................384

Viewing IGMP Groups...................................................................................................................................................385

Adjusting Timers............................................................................................................................................................ 385

Adjusting Query and Response Timers................................................................................................................. 385

Enabling IGMP Immediate-Leave.................................................................................................................................386

IGMP Snooping.............................................................................................................................................................. 387

IGMP Snooping Implementation Information....................................................................................................... 387

Conguring IGMP Snooping...................................................................................................................................387

Removing a Group-Port Association.....................................................................................................................388

Disabling Multicast Flooding...................................................................................................................................388

Specifying a Port as Connected to a Multicast Router...................................................................................... 388

Conguring the Switch as Querier........................................................................................................................ 389

Fast Convergence after MSTP Topology Changes...................................................................................................389

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................389

Protocol Separation.................................................................................................................................................390

Enabling and Disabling Management Egress Interface Selection.......................................................................391

Handling of Management Route Conguration................................................................................................... 392

Handling of Switch-Initiated Trac....................................................................................................................... 392

Handling of Switch-Destined Trac......................................................................................................................393

Handling of Transit Trac (Trac Separation).................................................................................................... 394

Mapping of Management Applications and Trac Type.....................................................................................394

Behavior of Various Applications for Switch-Initiated Trac ............................................................................395

Behavior of Various Applications for Switch-Destined Trac .......................................................................... 396

Interworking of EIS With Various Applications.....................................................................................................396

Designating a Multicast Router Interface................................................................................................................... 397

20 Interfaces................................................................................................................................................ 398

Basic Interface Conguration.......................................................................................................................................398

Contents

13

Advanced Interface Conguration...............................................................................................................................398

Interface Types...............................................................................................................................................................399

View Basic Interface Information.................................................................................................................................399

Resetting an Interface to its Factory Default State................................................................................................... 401

Enabling a Physical Interface........................................................................................................................................402

Physical Interfaces.........................................................................................................................................................402

Conguration Task List for Physical Interfaces....................................................................................................402

Overview of Layer Modes...................................................................................................................................... 403

Conguring Layer 2 (Data Link) Mode..................................................................................................................403

Conguring Layer 2 (Interface) Mode.................................................................................................................. 404

Conguring Layer 3 (Network) Mode...................................................................................................................404

Conguring Layer 3 (Interface) Mode.................................................................................................................. 404

Automatic recovery of an Err-disabled interface.......................................................................................................405

Conguring an automatic recovery for an Err-disabled interface......................................................................406

Egress Interface Selection (EIS)..................................................................................................................................406

Important Points to Remember............................................................................................................................. 406

Conguring EIS........................................................................................................................................................ 407

Management Interfaces................................................................................................................................................407

Conguring Management Interfaces.....................................................................................................................407

Conguring a Management Interface on an Ethernet Port............................................................................... 409

S6100 — OIR............................................................................................................................................................410

VLAN Interfaces............................................................................................................................................................. 410

Loopback Interfaces........................................................................................................................................................411

Null Interfaces..................................................................................................................................................................411

Port Channel Interfaces..................................................................................................................................................411

Port Channel Denition and Standards..................................................................................................................412

Port Channel Benets..............................................................................................................................................412

Port Channel Implementation................................................................................................................................. 412

Interfaces in Port Channels.....................................................................................................................................413

Conguration Tasks for Port Channel Interfaces..................................................................................................413

Creating a Port Channel.......................................................................................................................................... 413

Adding a Physical Interface to a Port Channel......................................................................................................414

Reassigning an Interface to a New Port Channel.................................................................................................415

Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 416

Adding or Removing a Port Channel from a VLAN.............................................................................................. 416

Assigning an IP Address to a Port Channel........................................................................................................... 417

Deleting or Disabling a Port Channel......................................................................................................................418

Load Balancing Through Port Channels................................................................................................................ 418

Load-Balancing Method.......................................................................................................................................... 418

Changing the Hash Algorithm.................................................................................................................................419

Bulk Conguration......................................................................................................................................................... 420

Interface Range........................................................................................................................................................420

Bulk Conguration Examples..................................................................................................................................420

Dening Interface Range Macros................................................................................................................................ 422

Dene the Interface Range.................................................................................................................................... 422

14

Contents

Choosing an Interface-Range Macro.................................................................................................................... 422

Monitoring and Maintaining Interfaces........................................................................................................................423

Split 40G Ports on a 16X40G QSFP+ Module............................................................................................................424

Splitting 100G Ports...................................................................................................................................................... 425

Link Dampening..............................................................................................................................................................425

Important Points to Remember............................................................................................................................. 426

Conguration Example of Link Dampening...........................................................................................................426

Enabling Link Dampening........................................................................................................................................428

Link Bundle Monitoring................................................................................................................................................. 429

Using Ethernet Pause Frames for Flow Control........................................................................................................ 430

Enabling Pause Frames...........................................................................................................................................430

Congure the MTU Size on an Interface.....................................................................................................................431

Port-Pipes.......................................................................................................................................................................432

CR4 Auto-Negotiation...................................................................................................................................................432

FEC Conguration......................................................................................................................................................... 432

Setting the Speed of Ethernet Interfaces.................................................................................................................. 434

Syslog Warning Upon Connecting SFP28 Optics with QSA....................................................................................435

Adjusting the Keepalive Timer......................................................................................................................................435

View Advanced Interface Information.........................................................................................................................436

Conguring the Interface Sampling Size.............................................................................................................. 436

Conguring the Trac Sampling Size Globally...........................................................................................................437

Dynamic Counters......................................................................................................................................................... 439

Clearing Interface Counters....................................................................................................................................439

Enhanced Validation of Interface Ranges...................................................................................................................440

Compressing Conguration Files................................................................................................................................. 440

21 IPv4 Routing.............................................................................................................................................444

IP Addresses...................................................................................................................................................................445

Implementation Information....................................................................................................................................445

Conguration Tasks for IP Addresses..........................................................................................................................445

Assigning IP Addresses to an Interface.......................................................................................................................445

Conguring Static Routes.............................................................................................................................................446

Congure Static Routes for the Management Interface.......................................................................................... 447

IPv4 Path MTU Discovery Overview.......................................................................................................................... 448

Packet handling during MTU mismatch................................................................................................................448

Using the Congured Source IP Address in ICMP Messages..................................................................................448

Conguring the ICMP Source Interface............................................................................................................... 448

Conguring the Duration to Establish a TCP Connection........................................................................................ 449

Enabling Directed Broadcast........................................................................................................................................ 449

Resolution of Host Names............................................................................................................................................450

Enabling Dynamic Resolution of Host Names............................................................................................................450

Specifying the Local System Domain and a List of Domains................................................................................... 450

Conguring DNS with Traceroute................................................................................................................................ 451

ARP................................................................................................................................................................................. 452

Conguration Tasks for ARP........................................................................................................................................ 452

Conguring Static ARP Entries....................................................................................................................................452

Contents

15

Enabling Proxy ARP.......................................................................................................................................................453

Clearing ARP Cache......................................................................................................................................................453

ARP Learning via Gratuitous ARP............................................................................................................................... 453

Enabling ARP Learning via Gratuitous ARP................................................................................................................453

ARP Learning via ARP Request................................................................................................................................... 454

Conguring ARP Retries...............................................................................................................................................454

ICMP............................................................................................................................................................................... 455

Conguration Tasks for ICMP......................................................................................................................................455

Enabling ICMP Unreachable Messages...................................................................................................................... 455

UDP Helper.....................................................................................................................................................................456

Congure UDP Helper............................................................................................................................................ 456

Important Points to Remember............................................................................................................................. 456

Enabling UDP Helper.....................................................................................................................................................456

Congurations Using UDP Helper............................................................................................................................... 456

UDP Helper with Broadcast-All Addresses.................................................................................................................456

UDP Helper with Subnet Broadcast Addresses.........................................................................................................457

UDP Helper with Congured Broadcast Addresses..................................................................................................458

UDP Helper with No Congured Broadcast Addresses............................................................................................458

Troubleshooting UDP Helper........................................................................................................................................458

22 IPv6 Routing............................................................................................................................................460

Protocol Overview.........................................................................................................................................................460

Extended Address Space.........................................................................................................................................461

Stateless Autoconguration.................................................................................................................................... 461

IPv6 Headers.............................................................................................................................................................461

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 462

IPv6 Header Fields...................................................................................................................................................463

Extension Header Fields......................................................................................................................................... 465

Addressing................................................................................................................................................................ 466

Implementing IPv6 with Dell EMC Networking OS................................................................................................... 467

ICMPv6........................................................................................................................................................................... 467

Path MTU discovery......................................................................................................................................................467

IPv6 Neighbor Discovery..............................................................................................................................................468

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................469

Conguring the IPv6 Recursive DNS Server....................................................................................................... 469

Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 470

Displaying IPv6 RDNSS Information......................................................................................................................470

Secure Shell (SSH) Over an IPv6 Transport............................................................................................................... 471

Conguration Tasks for IPv6.........................................................................................................................................471

Adjusting Your CAM-Prole.....................................................................................................................................471

Assigning an IPv6 Address to an Interface........................................................................................................... 472

Assigning a Static IPv6 Route................................................................................................................................ 473

Conguring Telnet with IPv6.................................................................................................................................. 473

SNMP over IPv6...................................................................................................................................................... 474

Displaying IPv6 Information.....................................................................................................................................474

Displaying an IPv6 Interface Information...............................................................................................................474

16

Contents

Showing IPv6 Routes..............................................................................................................................................475

Showing the Running-Conguration for an Interface......................................................................................... 476

Clearing IPv6 Routes............................................................................................................................................... 477

Disabling ND Entry Timeout....................................................................................................................................477

Conguring IPv6 RA Guard.......................................................................................................................................... 478

Conguring IPv6 RA Guard on an Interface.........................................................................................................479

Monitoring IPv6 RA Guard..................................................................................................................................... 480

23 iSCSI Optimization................................................................................................................................... 481

iSCSI Optimization Overview........................................................................................................................................481

Monitoring iSCSI Trac Flows...............................................................................................................................483

Application of Quality of Service to iSCSI Trac Flows..................................................................................... 483

Information Monitored in iSCSI Trac Flows.......................................................................................................483

Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 484

Conguring Detection and Ports for Dell Compellent Arrays.............................................................................484

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................485

Enable and Disable iSCSI Optimization.................................................................................................................485

Default iSCSI Optimization Values...............................................................................................................................486

iSCSI Optimization Prerequisites................................................................................................................................. 486

Conguring iSCSI Optimization................................................................................................................................... 486

Displaying iSCSI Optimization Information..................................................................................................................488

24 Intermediate System to Intermediate System.......................................................................................... 490

IS-IS Protocol Overview............................................................................................................................................... 490

IS-IS Addressing.............................................................................................................................................................490

Multi-Topology IS-IS....................................................................................................................................................... 491

Transition Mode........................................................................................................................................................ 491

Interface Support.....................................................................................................................................................492

Adjacencies...............................................................................................................................................................492

Graceful Restart.............................................................................................................................................................492

Timers........................................................................................................................................................................492

Implementation Information..........................................................................................................................................492

Conguration Information.............................................................................................................................................493

Conguration Tasks for IS-IS..................................................................................................................................494

Conguring the Distance of a Route..................................................................................................................... 501

Changing the IS-Type.............................................................................................................................................. 502

Redistributing IPv4 Routes.....................................................................................................................................504

Redistributing IPv6 Routes.....................................................................................................................................505

Conguring Authentication Passwords.................................................................................................................506

Setting the Overload Bit.........................................................................................................................................506

Debugging IS-IS....................................................................................................................................................... 507

IS-IS Metric Styles.........................................................................................................................................................508

Congure Metric Values............................................................................................................................................... 508

Maximum Values in the Routing Table.................................................................................................................. 509

Change the IS-IS Metric Style in One Level Only................................................................................................509

Leaks from One Level to Another...........................................................................................................................510

Contents

17

Sample Congurations....................................................................................................................................................511

25 In-Service Software Upgrade................................................................................................................... 514

ISSU Introduction........................................................................................................................................................... 514

Warmboot Limitations..............................................................................................................................................514

Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 514

L2 ISSU............................................................................................................................................................................515

L3 ISSU............................................................................................................................................................................515

CoPP................................................................................................................................................................................516

Mirroring ow control packets......................................................................................................................................516

PFC.................................................................................................................................................................................. 516

QoS.................................................................................................................................................................................. 516

Tunnel Conguration...................................................................................................................................................... 516

26 Link Aggregation Control Protocol (LACP)............................................................................................... 518

Introduction to Dynamic LAGs and LACP................................................................................................................... 518

Important Points to Remember.............................................................................................................................. 518

LACP Modes.............................................................................................................................................................519

Conguring LACP Commands................................................................................................................................519

LACP Conguration Tasks............................................................................................................................................520

Creating a LAG.........................................................................................................................................................520

Conguring the LAG Interfaces as Dynamic........................................................................................................520

Setting the LACP Long Timeout............................................................................................................................ 521

Monitoring and Debugging LACP...........................................................................................................................521

Shared LAG State Tracking.......................................................................................................................................... 522

Conguring Shared LAG State Tracking............................................................................................................... 522

Important Points about Shared LAG State Tracking........................................................................................... 524

LACP Basic Conguration Example.............................................................................................................................524

Congure a LAG on ALPHA................................................................................................................................... 524

27 Layer 2.....................................................................................................................................................533

Manage the MAC Address Table................................................................................................................................. 533

Clearing the MAC Address Table........................................................................................................................... 533

Setting the Aging Time for Dynamic Entries........................................................................................................533

Conguring a Static MAC Address........................................................................................................................534

Displaying the MAC Address Table........................................................................................................................ 534

MAC Learning Limit.......................................................................................................................................................534

Setting the MAC Learning Limit............................................................................................................................ 535

mac learning-limit Dynamic.................................................................................................................................... 535

mac learning-limit mac-address-sticky................................................................................................................. 535

mac learning-limit station-move............................................................................................................................ 536

mac learning-limit no-station-move...................................................................................................................... 536

Learning Limit Violation Actions.............................................................................................................................536

Setting Station Move Violation Actions................................................................................................................ 537

Recovering from Learning Limit and Station Move Violations........................................................................... 537

Disabling MAC Address Learning on the System.................................................................................................538

18

Contents

NIC Teaming................................................................................................................................................................... 538

Congure Redundant Pairs.......................................................................................................................................... 539

Important Points about Conguring Redundant Pairs.........................................................................................541

Far-End Failure Detection.............................................................................................................................................542

FEFD State Changes...............................................................................................................................................543

Conguring FEFD.................................................................................................................................................... 544

Enabling FEFD on an Interface...............................................................................................................................544

Debugging FEFD......................................................................................................................................................545

28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 547

802.1AB (LLDP) Overview............................................................................................................................................547

Protocol Data Units................................................................................................................................................. 547

Optional TLVs.................................................................................................................................................................548

Management TLVs.................................................................................................................................................. 548

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 550

TIA Organizationally Specic TLVs........................................................................................................................550

Congure LLDP............................................................................................................................................................. 554

Related Conguration Tasks...................................................................................................................................554

Important Points to Remember............................................................................................................................. 554

LLDP Compatibility..................................................................................................................................................554

CONFIGURATION versus INTERFACE Congurations............................................................................................ 554

Enabling LLDP................................................................................................................................................................555

Disabling and Undoing LLDP..................................................................................................................................555

Enabling LLDP on Management Ports........................................................................................................................556

Disabling and Undoing LLDP on Management Ports..........................................................................................556

Advertising TLVs............................................................................................................................................................556

Storing and Viewing Unrecognized LLDP TLVs......................................................................................................... 557

Reserved Unrecognized LLDP TLVs..................................................................................................................... 557

Organizational Specic Unrecognized LLDP TLVs..............................................................................................558

Viewing Unrecognized LLDP TLVs........................................................................................................................558

Viewing the LLDP Conguration................................................................................................................................. 558

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................559

Examples of Viewing Information Advertised by Neighbors.............................................................................. 559

Conguring LLDPDU Intervals......................................................................................................................................561

Conguring LLDP Notication Interval........................................................................................................................561

Conguring Transmit and Receive Mode....................................................................................................................562

Conguring the Time to Live Value............................................................................................................................. 562

Debugging LLDP............................................................................................................................................................563

Relevant Management Objects................................................................................................................................... 564

29 Microsoft Network Load Balancing..........................................................................................................569

NLB Unicast Mode Scenario........................................................................................................................................569

NLB Multicast Mode Scenario.....................................................................................................................................569

Limitations of the NLB Feature....................................................................................................................................570

Microsoft Clustering......................................................................................................................................................570

Enable and Disable VLAN Flooding .............................................................................................................................570

Contents

19

Conguring a Switch for NLB ..................................................................................................................................... 570

Enabling a Switch for Multicast NLB..................................................................................................................... 571

30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 572

Protocol Overview......................................................................................................................................................... 572

Anycast RP..................................................................................................................................................................... 573

Implementation Information..........................................................................................................................................574

Congure Multicast Source Discovery Protocol........................................................................................................ 574

Related Conguration Tasks................................................................................................................................... 574

Enable MSDP................................................................................................................................................................. 578

Manage the Source-Active Cache.............................................................................................................................. 579

Viewing the Source-Active Cache.........................................................................................................................579

Limiting the Source-Active Cache.........................................................................................................................579

Clearing the Source-Active Cache........................................................................................................................580

Enabling the Rejected Source-Active Cache....................................................................................................... 580

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 580

Specifying Source-Active Messages...........................................................................................................................583

Limiting the Source-Active Messages from a Peer...................................................................................................584

Preventing MSDP from Caching a Local Source.......................................................................................................584

Preventing MSDP from Caching a Remote Source.................................................................................................. 585

Preventing MSDP from Advertising a Local Source................................................................................................. 585

Logging Changes in Peership States...........................................................................................................................586

Terminating a Peership..................................................................................................................................................586

Clearing Peer Statistics.................................................................................................................................................587

Debugging MSDP.......................................................................................................................................................... 587

MSDP with Anycast RP................................................................................................................................................588

Conguring Anycast RP................................................................................................................................................589

Reducing Source-Active Message Flooding........................................................................................................ 590

Specifying the RP Address Used in SA Messages..............................................................................................590

MSDP Sample Congurations......................................................................................................................................592

31 Multicast Listener Discovery Protocol...................................................................................................... 595

MLD Version 1................................................................................................................................................................ 595

MLD Querier Router......................................................................................................................................................595

Joining a Multicast Group.............................................................................................................................................596

Leaving a Multicast Group............................................................................................................................................596

MLD version 2................................................................................................................................................................596

MLD timers.....................................................................................................................................................................598

Reducing Host Response Burstiness.................................................................................................................... 599

Clearing MLD groups.................................................................................................................................................... 599

Debugging MLD.............................................................................................................................................................599

Explicit Tracking............................................................................................................................................................. 599

Reducing Leave Latency...............................................................................................................................................599

Displaying MLD groups table........................................................................................................................................600

Displaying MLD Interfaces............................................................................................................................................600

MLD Snooping............................................................................................................................................................... 600

20

Contents

Dell PowerSwitch S6100-ON User guide

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