Dell PowerEdge FX2/FX2s User guide

Dell PowerEdge FN IO Module

Conguration Guide

9.13.0.0

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.

trademarks may be trademarks of their respective owners.

2017 - 12

Rev. A00

Contents

1 About this Guide...........................................................................................................................................33

Audience............................................................................................................................................................................33

Conventions......................................................................................................................................................................33

Information Symbols........................................................................................................................................................33

Related Documents......................................................................................................................................................... 34

2 Before You Start.......................................................................................................................................... 35

Operational Modes...........................................................................................................................................................35

Standalone mode....................................................................................................................................................... 35

VLT mode....................................................................................................................................................................35

Programmable MUX mode....................................................................................................................................... 35

Stacking mode............................................................................................................................................................36

Full Switch mode........................................................................................................................................................36

Default Settings............................................................................................................................................................... 36

Other Auto-Congured Settings....................................................................................................................................37

Data Center Bridging Support........................................................................................................................................ 37

FCoE Connectivity and FIP Snooping........................................................................................................................... 37

iSCSI Operation................................................................................................................................................................ 37

Link Aggregation.............................................................................................................................................................. 38

Link Tracking.....................................................................................................................................................................38

Conguring VLANs.......................................................................................................................................................... 38

Uplink LAG.................................................................................................................................................................. 38

Server-Facing LAGs.................................................................................................................................................. 38

Where to Go From Here..................................................................................................................................................39

3 Conguration Fundamentals........................................................................................................................ 40

Accessing the Command Line........................................................................................................................................40

CLI Modes......................................................................................................................................................................... 41

Navigating CLI Modes................................................................................................................................................41

The do Command............................................................................................................................................................ 42

Undoing Commands........................................................................................................................................................ 43

Obtaining Help..................................................................................................................................................................43

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

Command History............................................................................................................................................................ 44

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

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

4 Getting Started............................................................................................................................................47

Console Access................................................................................................................................................................48

Serial Console.............................................................................................................................................................48

External Serial Port with a USB Connector............................................................................................................50

Accessing the CLI Interface and Running Scripts Using SSH....................................................................................50

Contents

3

Entering CLI commands Using an SSH Connection..............................................................................................50

Executing Local CLI Scripts Using an SSH Connection........................................................................................50

Boot Process.....................................................................................................................................................................51

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

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

Conguring a Unique Host Name on the System........................................................................................................53

Accessing the System Remotely....................................................................................................................................53

Accessing the Switch Remotely...............................................................................................................................53

Congure the Management Port IP Address......................................................................................................... 53

Congure a Management Route..............................................................................................................................54

Conguring a Username and Password.................................................................................................................. 54

Conguring the Enable Password..................................................................................................................................55

Conguration File Management.....................................................................................................................................55

Copy Files to and from the System......................................................................................................................... 56

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

Viewing Files...............................................................................................................................................................58

Managing the File System.............................................................................................................................................. 59

View the Command History........................................................................................................................................... 60

Using HTTP for File Transfers........................................................................................................................................ 60

Upgrading and Downgrading the Dell Networking OS.................................................................................................61

Verify Software Images Before Installation....................................................................................................................61

Deploying FN I/O Module............................................................................................................................................... 62

Ensuring the FN IOM system is in Standalone Mode............................................................................................63

Conguration Examples............................................................................................................................................ 63

Congure Interfaces and Port Channel...................................................................................................................65

Verifying the Congurations.....................................................................................................................................65

5 Management................................................................................................................................................67

Conguring Privilege Levels............................................................................................................................................67

Creating a Custom Privilege Level...........................................................................................................................68

Customizing a Privilege Level...................................................................................................................................68

Applying a Privilege Level to a Username............................................................................................................... 70

Applying a Privilege Level to a Terminal Line.......................................................................................................... 70

Conguring Logging.........................................................................................................................................................70

Audit and Security Logs............................................................................................................................................. 71

Conguring Logging Format ...................................................................................................................................72

Setting Up a Secure Connection to a Syslog Server.............................................................................................73

Display the Logging Buer and the Logging Conguration........................................................................................ 74

Log Messages in the Internal Buer.............................................................................................................................. 74

Conguration Task List for System Log Management.......................................................................................... 75

Disabling System Logging............................................................................................................................................... 75

Sending System Messages to a Syslog Server............................................................................................................75

Conguring a UNIX System as a Syslog Server.....................................................................................................75

Changing System Logging Settings...............................................................................................................................76

Display the Logging Buer and the Logging Conguration........................................................................................ 77

Conguring a UNIX Logging Facility Level.................................................................................................................... 77

4

Contents

Synchronizing Log Messages......................................................................................................................................... 78

Enabling Timestamp on Syslog Messages.................................................................................................................... 79

Enabling Secure Management Mode............................................................................................................................ 79

Enabling Secured CLI Mode........................................................................................................................................... 80

File Transfer Services...................................................................................................................................................... 80

Conguration Task List for File Transfer Services..................................................................................................80

Enabling the FTP Server...........................................................................................................................................80

Conguring FTP Server Parameters........................................................................................................................ 81

Conguring FTP Client Parameters..........................................................................................................................81

Terminal Lines................................................................................................................................................................... 82

Denying and Permitting Access to a Terminal Line................................................................................................82

Conguring Login Authentication for Terminal Lines.............................................................................................82

Setting Time Out of EXEC Privilege Mode...................................................................................................................83

Using Telnet to get to Another Network Device..........................................................................................................84

Lock CONFIGURATION Mode....................................................................................................................................... 84

Viewing the Conguration Lock Status...................................................................................................................85

Limit Concurrent Login Sessions....................................................................................................................................85

Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 85

Conguring Concurrent Session Limit.....................................................................................................................86

Enabling the System to Clear Existing Sessions.................................................................................................... 86

Track Login Activity..........................................................................................................................................................87

Restrictions for Tracking Login Activity...................................................................................................................87

Conguring Login Activity Tracking......................................................................................................................... 87

Display Login Statistics..............................................................................................................................................88

Recovering from a Forgotten Password....................................................................................................................... 89

Recovering from a Forgotten Enable Password.......................................................................................................... 90

Recovering from a Failed Start....................................................................................................................................... 91

6 802.1X..........................................................................................................................................................92

The Port-Authentication Process.................................................................................................................................. 95

EAP over RADIUS......................................................................................................................................................96

Conguring 802.1X...........................................................................................................................................................96

Related Conguration Tasks..................................................................................................................................... 96

Important Points to Remember......................................................................................................................................97

Enabling 802.1X.................................................................................................................................................................97

Conguring Request Identity Re-Transmissions.....................................................................................................98

Conguring a Quiet Period after a Failed Authentication..................................................................................... 99

Forcibly Authorizing or Unauthorizing a Port..............................................................................................................100

Re-Authenticating a Port............................................................................................................................................... 101

Conguring Timeouts..................................................................................................................................................... 101

Conguring Dynamic VLAN Assignment with Port Authentication......................................................................... 102

Guest and Authentication-Fail VLANs...................................................................................................................103

Conguring a Guest VLAN......................................................................................................................................104

Conguring an Authentication-Fail VLAN............................................................................................................. 104

7 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)...................................106

Contents

5

Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 106

Guidelines for Conguring ACL VLAN groups............................................................................................................ 107

Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................108

Conguring ACL VLAN Groups.............................................................................................................................. 108

Conguring FP Blocks for VLAN Parameters.......................................................................................................109

Viewing CAM Usage...................................................................................................................................................... 109

Allocating FP Blocks for VLAN Processes....................................................................................................................111

8 Access Control Lists (ACLs)........................................................................................................................112

IP Access Control Lists (ACLs)......................................................................................................................................113

Implementing ACL on the Dell Networking OS........................................................................................................... 113

ACLs and VLANs.............................................................................................................................................................114

ACL Optimization............................................................................................................................................................ 114

Determine the Order in which ACLs are Used to Classify Trac..............................................................................114

Example of the order Keyword to Determine ACL Sequence..............................................................................114

IP Fragment Handling..................................................................................................................................................... 115

IP Fragments ACL Examples......................................................................................................................................... 115

Layer 4 ACL Rules Examples......................................................................................................................................... 115

Congure a Standard IP ACL.........................................................................................................................................116

Conguring a Standard IP ACL Filter............................................................................................................................ 117

Congure an Extended IP ACL......................................................................................................................................118

Conguring Filters with a Sequence Number..............................................................................................................118

Conguring Filters Without a Sequence Number....................................................................................................... 118

Established Flag...............................................................................................................................................................119

Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 119

Assign an IP ACL to an Interface..................................................................................................................................120

Applying an IP ACL.........................................................................................................................................................120

Counting ACL Hits...........................................................................................................................................................121

Congure Ingress ACLs.................................................................................................................................................. 121

Congure Egress ACLs...................................................................................................................................................121

Applying Egress Layer 3 ACLs (Control-Plane).......................................................................................................... 122

IP Prex Lists.................................................................................................................................................................. 122

Implementation Information.................................................................................................................................... 123

Conguration Task List for Prex Lists........................................................................................................................ 123

Creating a Prex List......................................................................................................................................................123

Creating a Prex List Without a Sequence Number.................................................................................................. 124

Viewing Prex Lists........................................................................................................................................................125

Applying a Prex List for Route Redistribution...........................................................................................................125

Applying a Filter to a Prex List (OSPF)......................................................................................................................126

ACL Resequencing......................................................................................................................................................... 126

Resequencing an ACL or Prex List............................................................................................................................. 127

Route Maps.....................................................................................................................................................................128

Implementation Information.................................................................................................................................... 128

Important Points to Remember.................................................................................................................................... 129

Conguration Task List for Route Maps...................................................................................................................... 129

Creating a Route Map....................................................................................................................................................129

6

Contents

Congure Route Map Filters.........................................................................................................................................130

Conguring Match Routes.............................................................................................................................................131

Conguring Set Conditions........................................................................................................................................... 132

Congure a Route Map for Route Redistribution.......................................................................................................132

Congure a Route Map for Route Tagging..................................................................................................................133

Continue Clause..............................................................................................................................................................133

Logging of ACL Processes............................................................................................................................................ 134

Guidelines for Conguring ACL Logging......................................................................................................................134

Conguring ACL Logging.............................................................................................................................................. 135

Flow-Based Monitoring Support for ACLs..................................................................................................................135

Behavior of Flow-Based Monitoring.......................................................................................................................136

Enabling Flow-Based Monitoring.................................................................................................................................. 137

9 Bidirectional Forwarding Detection (BFD).................................................................................................. 139

How BFD Works............................................................................................................................................................. 139

BFD Packet Format..................................................................................................................................................140

BFD Sessions............................................................................................................................................................. 141

BFD Three-Way Handshake.................................................................................................................................... 142

Session State Changes............................................................................................................................................144

Important Points to Remember.................................................................................................................................... 144

Congure BFD................................................................................................................................................................ 144

Congure BFD for Physical Ports...........................................................................................................................145

Enabling BFD Globally.............................................................................................................................................. 145

Changing Physical Port Session Parameters........................................................................................................ 146

Disabling and Re-Enabling BFD.............................................................................................................................. 146

Congure BFD for Static Routes..................................................................................................................................147

Related Conguration Tasks....................................................................................................................................147

Establishing Sessions for Static Routes.................................................................................................................147

Establishing Static Route Sessions on Specic Neighbors................................................................................. 148

Changing Static Route Session Parameters......................................................................................................... 149

Disabling BFD for Static Routes............................................................................................................................. 149

Congure BFD for OSPF...............................................................................................................................................149

Related Conguration Tasks....................................................................................................................................150

Establishing Sessions with OSPF Neighbors........................................................................................................150

Establishing Sessions with OSPF Neighbors for nondefault VRFs.....................................................................151

Changing OSPF Session Parameters.....................................................................................................................152

Disabling BFD for OSPF...........................................................................................................................................152

Congure BFD for OSPFv3...........................................................................................................................................152

Related Conguration Tasks....................................................................................................................................153

Establishing Sessions with OSPFv3 Neighbors....................................................................................................153

Establishing BFD Sessions with OSPFv3 Neighbors for nondefault VRFs....................................................... 153

Changing OSPFv3 Session Parameters.................................................................................................................154

Disabling BFD for OSPFv3...................................................................................................................................... 155

Congure BFD for BGP.................................................................................................................................................155

Prerequisites..............................................................................................................................................................155

Establishing Sessions with BGP Neighbors.......................................................................................................... 155

Contents

7

Disabling BFD for BGP.............................................................................................................................................160

Use BFD in a BGP Peer Group............................................................................................................................... 160

Displaying BFD for BGP Information......................................................................................................................160

Congure BFD for VRRP...............................................................................................................................................164

Related Conguration Tasks....................................................................................................................................164

Establishing Sessions with All VRRP Neighbors...................................................................................................165

Establishing VRRP Sessions on VRRP Neighbors................................................................................................165

Changing VRRP Session Parameters.................................................................................................................... 166

Disabling BFD for VRRP.......................................................................................................................................... 166

Congure BFD for VLANs............................................................................................................................................. 167

Related Conguration Task......................................................................................................................................167

Establish Sessions with VLAN Neighbors............................................................................................................. 168

Changing VLAN Session Parameters.....................................................................................................................168

Disabling BFD for VLANs.........................................................................................................................................169

Congure BFD for Port-Channels................................................................................................................................169

Related Conguration Tasks....................................................................................................................................169

Establish Sessions on Port-Channels.....................................................................................................................170

Changing Physical Port Session Parameters........................................................................................................ 170

Disabling BFD for Port-Channels.............................................................................................................................171

Conguring Protocol Liveness....................................................................................................................................... 171

10 Border Gateway Protocol IPv4 (BGPv4)................................................................................................... 172

Autonomous Systems (AS)........................................................................................................................................... 172

Sessions and Peers.........................................................................................................................................................174

Establish a Session....................................................................................................................................................174

Route Reectors.............................................................................................................................................................175

Communities............................................................................................................................................................. 176

BGP Attributes................................................................................................................................................................176

Best Path Selection Criteria.................................................................................................................................... 176

Weight........................................................................................................................................................................178

Local Preference.......................................................................................................................................................178

Multi-Exit Discriminators (MEDs)...........................................................................................................................179

Origin..........................................................................................................................................................................180

AS Path.......................................................................................................................................................................181

Next Hop....................................................................................................................................................................181

Multiprotocol BGP...........................................................................................................................................................181

Implement BGP with the Dell Networking OS............................................................................................................182

Additional Path (Add-Path) Support......................................................................................................................182

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 182

Ignore Router-ID for Some Best-Path Calculations............................................................................................. 183

Four-Byte AS Numbers............................................................................................................................................183

AS4 Number Representation.................................................................................................................................. 183

AS Number Migration.............................................................................................................................................. 185

BGP4 Management Information Base (MIB)........................................................................................................186

Important Points to Remember.............................................................................................................................. 186

Conguration Information..............................................................................................................................................187

8

Contents

BGP Conguration..........................................................................................................................................................187

Enabling BGP............................................................................................................................................................ 188

Enabling MBGP Congurations.............................................................................................................................. 218

BGP Regular Expression Optimization.........................................................................................................................219

Debugging BGP.............................................................................................................................................................. 219

Storing Last and Bad PDUs....................................................................................................................................220

PDU Counters...........................................................................................................................................................221

Sample Congurations...................................................................................................................................................221

11 Conguration Cloning............................................................................................................................... 230

Cloning Conguration Output Status..........................................................................................................................230

12 Content Addressable Memory (CAM).......................................................................................................233

CAM Allocation...............................................................................................................................................................233

Test CAM Usage............................................................................................................................................................ 234

View CAM-ACL Settings.............................................................................................................................................. 234

Conguring CAM Threshold and Silence Period........................................................................................................235

Setting CAM Threshold and Silence Period......................................................................................................... 235

CAM Optimization......................................................................................................................................................... 236

13 Control Plane Policing (CoPP)..................................................................................................................237

Congure Control Plane Policing................................................................................................................................. 238

Conguring CoPP for Protocols............................................................................................................................ 239

Conguring CoPP for CPU Queues...................................................................................................................... 240

Show Commands..................................................................................................................................................... 241

14 Data Center Bridging (DCB)..................................................................................................................... 243

Supported Modes.......................................................................................................................................................... 243

Ethernet Enhancements in Data Center Bridging......................................................................................................243

Priority-Based Flow Control......................................................................................................................................... 244

Enhanced Transmission Selection................................................................................................................................245

Data Center Bridging Exchange Protocol (DCBx).....................................................................................................247

Creating a DCB Map......................................................................................................................................................247

Important Points to Remember..............................................................................................................................247

Applying a DCB Map on Server-Facing Ethernet Ports......................................................................................248

Data Center Bridging: Default Conguration..............................................................................................................248

Data Center Bridging in a Trac Flow.........................................................................................................................249

Data Center Bridging: Auto-DCB-Enable Mode........................................................................................................ 249

Conguring Priority-Based Flow Control.....................................................................................................................251

How Priority-Based Flow Control is Implemented...............................................................................................253

Conguring Lossless Queues................................................................................................................................. 253

Conguring the PFC Buer in a Switch Stack.................................................................................................... 254

Conguring Enhanced Transmission Selection.......................................................................................................... 255

How Enhanced Transmission Selection is Implemented..................................................................................... 255

ETS Operation with DCBx......................................................................................................................................256

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

Contents

9

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

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

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

DCB Conguration Exchange................................................................................................................................ 258

Conguration Source Election............................................................................................................................... 259

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

Auto-Detection of the DCBx Version....................................................................................................................260

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

DCBx Prerequisites and Restrictions..................................................................................................................... 261

DCBx Error Messages.............................................................................................................................................262

Debugging DCBx on an Interface.......................................................................................................................... 262

Verifying the DCB Conguration................................................................................................................................. 262

QoS dot1p Trac Classication and Queue Assignment...........................................................................................271

Troubleshooting PFC, ETS, and DCBx Operation.......................................................................................................271

15 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 274

Supported Modes.......................................................................................................................................................... 274

Assigning an IP Address using DHCP.......................................................................................................................... 274

Debugging DHCP Client Operation..............................................................................................................................276

DHCP Client....................................................................................................................................................................277

How DHCP Client is Implemented............................................................................................................................... 278

DHCP Client on a Management Interface.................................................................................................................. 278

DHCP Client on a VLAN................................................................................................................................................279

DHCP Packet Format and Options..............................................................................................................................279

Option 82........................................................................................................................................................................280

Releasing and Renewing DHCP-based IP Addresses.................................................................................................281

Viewing DHCP Statistics and Lease Information........................................................................................................281

DHCP Snooping............................................................................................................................................................. 282

DHCP Snooping for a Multi-Tenant Host..............................................................................................................282

DHCP Snooping in a VLT Setup.............................................................................................................................283

Enabling DHCP Snooping....................................................................................................................................... 283

Enabling IPv6 DHCP Snooping.............................................................................................................................. 283

Adding a Static Entry in the Binding Table............................................................................................................283

Adding a Static IPV6 DHCP Snooping Binding Table.......................................................................................... 284

Clearing the Binding Table...................................................................................................................................... 284

Clearing the DHCP IPv6 Binding Table................................................................................................................. 284

Displaying the Contents of the Binding Table.......................................................................................................284

Displaying the Contents of the DHCPv6 Binding Table...................................................................................... 285

Debugging the IPv6 DHCP.....................................................................................................................................285

IPv6 DHCP Snooping MAC-Address Verication................................................................................................286

16 Equal Cost Multi-Path (ECMP)................................................................................................................ 287

ECMP for Flow-Based Anity..................................................................................................................................... 287

Enabling Deterministic ECMP Next Hop...............................................................................................................287

Link Bundle Monitoring..................................................................................................................................................287

Managing ECMP Group Paths.....................................................................................................................................288

10

Contents

17 FC FPORT................................................................................................................................................289

FC FPORT......................................................................................................................................................................290

Conguring Switch Mode to FCF Port Mode............................................................................................................290

Name Server...................................................................................................................................................................291

FCoE Maps.....................................................................................................................................................................292

Creating an FCoE Map..................................................................................................................................................292

Zoning..............................................................................................................................................................................293

Creating Zone and Adding Members...........................................................................................................................294

Creating Zone Alias and Adding Members..................................................................................................................294

Creating Zonesets..........................................................................................................................................................294

Activating a Zoneset..................................................................................................................................................... 295

Displaying the Fabric Parameters................................................................................................................................ 295

18 FCoE Transit.............................................................................................................................................298

Supported Modes..........................................................................................................................................................298

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

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

FIP Snooping on Ethernet Bridges..............................................................................................................................300

FIP Snooping in a Switch Stack....................................................................................................................................301

Using FIP Snooping....................................................................................................................................................... 302

Important Points to Remember............................................................................................................................. 302

Enabling the FCoE Transit Feature........................................................................................................................302

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

Congure the FC-MAP Value................................................................................................................................ 303

Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 303

Congure a Port for a Bridge-to-FCF Link...........................................................................................................303

Impact on Other Software Features..................................................................................................................... 303

FIP Snooping Prerequisites.....................................................................................................................................304

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

Conguring FIP Snooping.......................................................................................................................................305

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

FCoE Transit Conguration Example........................................................................................................................... 310

19 FIPS Cryptography................................................................................................................................... 313

Preparing the System.................................................................................................................................................... 313

Enabling FIPS Mode.......................................................................................................................................................313

Generating Host-Keys....................................................................................................................................................314

Monitoring FIPS Mode Status...................................................................................................................................... 314

Disabling FIPS Mode...................................................................................................................................................... 315

20 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 316

Protocol Overview..........................................................................................................................................................316

Ring Status................................................................................................................................................................ 317

Multiple FRRP Rings................................................................................................................................................ 318

Important FRRP Points............................................................................................................................................319

Contents

11

Important FRRP Concepts..................................................................................................................................... 320

Implementing FRRP....................................................................................................................................................... 321

FRRP Conguration....................................................................................................................................................... 321

Creating the FRRP Group....................................................................................................................................... 321

Conguring the Control VLAN................................................................................................................................321

Conguring and Adding the Member VLANs.......................................................................................................323

Setting the FRRP Timers........................................................................................................................................324

Clearing the FRRP Counters.................................................................................................................................. 324

Viewing the FRRP Conguration...........................................................................................................................324

Viewing the FRRP Information...............................................................................................................................324

Troubleshooting FRRP.................................................................................................................................................. 325

Conguration Checks..............................................................................................................................................325

Sample Conguration and Topology............................................................................................................................325

FRRP Support on VLT...................................................................................................................................................327

Example Scenario.................................................................................................................................................... 328

Important Points to Remember............................................................................................................................. 329

21 GARP VLAN Registration Protocol (GVRP)..............................................................................................330

Important Points to Remember................................................................................................................................... 330

Congure GVRP............................................................................................................................................................ 330

Related Conguration Tasks....................................................................................................................................331

Enabling GVRP Globally.................................................................................................................................................331

Enabling GVRP on a Layer 2 Interface........................................................................................................................332

Congure GVRP Registration.......................................................................................................................................332

Congure a GARP Timer.............................................................................................................................................. 333

22 FIP Snooping........................................................................................................................................... 334

Supported Modes..........................................................................................................................................................334

Fibre Channel over Ethernet........................................................................................................................................ 334

Ensuring Robustness in a Converged Ethernet Network.........................................................................................334

FIP Snooping on Ethernet Bridges.............................................................................................................................. 336

How FIP Snooping is Implemented.............................................................................................................................. 337

FIP Snooping on VLANs..........................................................................................................................................337

FC-MAP Value......................................................................................................................................................... 338

Bridge-to-FCF Links................................................................................................................................................338

Impact on other Software Features...................................................................................................................... 338

FIP Snooping Prerequisites.....................................................................................................................................338

FIP Snooping Restrictions...................................................................................................................................... 339

Conguring FIP Snooping.............................................................................................................................................339

Displaying FIP Snooping Information...........................................................................................................................340

FIP Snooping Example.................................................................................................................................................. 345

Debugging FIP Snooping.............................................................................................................................................. 345

23 Internet Group Management Protocol (IGMP)......................................................................................... 347

IGMP Overview..............................................................................................................................................................347

IGMP Version 2.............................................................................................................................................................. 347

12

Contents

Joining a Multicast Group.......................................................................................................................................348

Leaving a Multicast Group......................................................................................................................................348

IGMP Version 3.............................................................................................................................................................. 348

Joining and Filtering Groups and Sources............................................................................................................ 349

Leaving and Staying in Groups...............................................................................................................................350

IGMP Snooping...............................................................................................................................................................351

How IGMP Snooping is Implemented on an Aggregator...........................................................................................351

Disabling Multicast Flooding..........................................................................................................................................351

Displaying IGMP Information.........................................................................................................................................351

24 Interfaces................................................................................................................................................ 354

Basic Interface Conguration.......................................................................................................................................354

Advanced Interface Conguration...............................................................................................................................354

Interface Types...............................................................................................................................................................355

View Basic Interface Information.................................................................................................................................355

Conguring the Default Interface................................................................................................................................ 357

Enabling a Physical Interface........................................................................................................................................358

Physical Interfaces.........................................................................................................................................................358

Conguration Task List for Physical Interfaces....................................................................................................358

Overview of Layer Modes...................................................................................................................................... 359

Conguring Layer 2 (Data Link) Mode..................................................................................................................359

Conguring Layer 2 (Interface) Mode.................................................................................................................. 359

Conguring Layer 3 (Network) Mode...................................................................................................................360

Conguring Layer 3 (Interface) Mode.................................................................................................................. 360

Management Interfaces.................................................................................................................................................361

Conguring Management Interfaces on the Switch........................................................................................... 362

VLAN Interfaces............................................................................................................................................................ 363

Loopback Interfaces...................................................................................................................................................... 363

Null Interfaces................................................................................................................................................................ 364

VLAN Membership........................................................................................................................................................ 364

Default VLAN .......................................................................................................................................................... 365

Port-Based VLANs..................................................................................................................................................365

VLANs and Port Tagging........................................................................................................................................ 365

Conguring VLAN Membership.............................................................................................................................366

Displaying VLAN Membership................................................................................................................................366

Adding an Interface to a Tagged VLAN.................................................................................................................367

Adding an Interface to an Untagged VLAN.......................................................................................................... 367

VLAN Conguration on Physical Ports and Port-Channels................................................................................368

Port Channel Interfaces................................................................................................................................................369

Port Channel Denition and Standards.................................................................................................................369

Port Channel Benets.............................................................................................................................................369

Port Channel Implementation.................................................................................................................................370

100/1000/10000 Mbps Interfaces in Port Channels...........................................................................................370

Conguration Tasks for Port Channel Interfaces..................................................................................................371

Creating a Port Channel...........................................................................................................................................371

Adding a Physical Interface to a Port Channel......................................................................................................371

Contents

13

Reassigning an Interface to a New Port Channel................................................................................................ 373

Conguring the Minimum Oper Up Links in a Port Channel...............................................................................374

Adding or Removing a Port Channel from a VLAN..............................................................................................374

Assigning an IP Address to a Port Channel.......................................................................................................... 375

Deleting or Disabling a Port Channel..................................................................................................................... 375

Load Balancing through Port Channels.......................................................................................................................375

Changing the Hash Algorithm...................................................................................................................................... 375

Server Ports....................................................................................................................................................................376

Default Conguration without Start-up Cong....................................................................................................376

Bulk Conguration..........................................................................................................................................................377

Interface Range........................................................................................................................................................ 377

Bulk Conguration Examples..................................................................................................................................378

Dening Interface Range Macros................................................................................................................................ 379

Dene the Interface Range.....................................................................................................................................379

Choosing an Interface-Range Macro.................................................................................................................... 379

Monitoring and Maintaining Interfaces....................................................................................................................... 380

Maintenance Using TDR..........................................................................................................................................381

Splitting QSFP Ports to SFP+ Ports............................................................................................................................381

Merging SFP+ Ports to QSFP 40G Ports.............................................................................................................382

Congure the MTU Size on an Interface..............................................................................................................382

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................383

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................383

Important Points to Remember............................................................................................................................. 384

Example Scenarios...................................................................................................................................................384

Layer 2 Flow Control Using Ethernet Pause Frames................................................................................................ 384

Enabling Pause Frames...........................................................................................................................................385

Congure MTU Size on an Interface...........................................................................................................................385

Port-Pipes.......................................................................................................................................................................386

Auto-Negotiation on Ethernet Interfaces...................................................................................................................386

Setting the Speed and Duplex Mode of Ethernet Interfaces.............................................................................386

View Advanced Interface Information.........................................................................................................................388

Conguring the Interface Sampling Size.............................................................................................................. 389

Conguring the Trac Sampling Size Globally.................................................................................................... 390

Dynamic Counters.................................................................................................................................................... 391

Enhanced Control of Remote Fault Indication Processing....................................................................................... 392

25 Internet Protocol Security (IPSec).......................................................................................................... 394

Conguring IPSec .........................................................................................................................................................394

26 IPv4 Routing............................................................................................................................................396

IP Addresses...................................................................................................................................................................396

Implementation Information....................................................................................................................................397

Conguration Tasks for IP Addresses....................................................................................................................397

IPv4 Path MTU Discovery Overview.......................................................................................................................... 399

Using the Congured Source IP Address in ICMP Messages..................................................................................400

Conguring the ICMP Source Interface............................................................................................................... 400

14

Contents

Conguring the Duration to Establish a TCP Connection........................................................................................ 400

Enabling Directed Broadcast.........................................................................................................................................401

Resolution of Host Names............................................................................................................................................ 401

Enabling Dynamic Resolution of Host Names.......................................................................................................401

Specifying the Local System Domain and a List of Domains............................................................................. 402

Conguring DNS with Traceroute..........................................................................................................................402

ARP................................................................................................................................................................................. 403

Conguration Tasks for ARP.................................................................................................................................. 403

ARP Learning via Gratuitous ARP............................................................................................................................... 405

ARP Learning via ARP Request................................................................................................................................... 405

Conguring ARP Retries...............................................................................................................................................406

ICMP................................................................................................................................................................................407

Conguration Tasks for ICMP................................................................................................................................ 407

UDP Helper.....................................................................................................................................................................407

Congure UDP Helper.............................................................................................................................................407

Important Points to Remember..............................................................................................................................407

Enabling UDP Helper...............................................................................................................................................408

Congurations Using UDP Helper............................................................................................................................... 408

UDP Helper with Broadcast-All Addresses...........................................................................................................408

UDP Helper with Subnet Broadcast Addresses...................................................................................................409

UDP Helper with Congured Broadcast Addresses............................................................................................409

UDP Helper with No Congured Broadcast Addresses...................................................................................... 410

Troubleshooting UDP Helper.........................................................................................................................................410

27 IPv6 Routing.............................................................................................................................................412

Protocol Overview..........................................................................................................................................................412

Extended Address Space.........................................................................................................................................413

Stateless Autoconguration.................................................................................................................................... 413

IPv6 Header Fields......................................................................................................................................................... 414

Version (4 bits)..........................................................................................................................................................414

Trac Class (8 bits)................................................................................................................................................. 414

Flow Label (20 bits)..................................................................................................................................................414

Payload Length (16 bits)..........................................................................................................................................414

Next Header (8 bits)................................................................................................................................................415

Hop Limit (8 bits)......................................................................................................................................................415

Source Address (128 bits)....................................................................................................................................... 416

Destination Address (128 bits)................................................................................................................................416

Extension Header Fields................................................................................................................................................ 416

Hop-by-Hop Options Header..................................................................................................................................416

Addressing....................................................................................................................................................................... 417

Link-local Addresses.................................................................................................................................................417

Static and Dynamic Addressing.............................................................................................................................. 417

Implementing IPv6 with the Dell Networking OS.......................................................................................................418

ICMPv6............................................................................................................................................................................419

Path MTU Discovery.....................................................................................................................................................420

IPv6 Neighbor Discovery.............................................................................................................................................. 420

Contents

15

IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 421

Conguration Task List for IPv6 RDNSS..................................................................................................................... 421

Conguring the IPv6 Recursive DNS Server........................................................................................................ 421

Displaying IPv6 RDNSS Information......................................................................................................................422

Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................422

IPv6 Multicast................................................................................................................................................................ 422

Conguration Task List for IPv6...................................................................................................................................423

Adjusting Your CAM-Prole....................................................................................................................................423

Assigning an IPv6 Address to an Interface........................................................................................................... 424

Assigning a Static IPv6 Route................................................................................................................................ 424

Conguring Telnet with IPv6..................................................................................................................................425

SNMP over IPv6......................................................................................................................................................425

Showing IPv6 Information...................................................................................................................................... 425

Showing an IPv6 Interface..................................................................................................................................... 426

Showing IPv6 Routes..............................................................................................................................................426

Showing the Running-Conguration for an Interface......................................................................................... 427

Clearing IPv6 Routes...............................................................................................................................................428

Disabling ND Entry Timeout................................................................................................................................... 428

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 428

28 iSCSI Optimization...................................................................................................................................429

Supported Modes..........................................................................................................................................................429

iSCSI Optimization Overview....................................................................................................................................... 429

Monitoring iSCSI Trac Flows.....................................................................................................................................430

Information Monitored in iSCSI Trac Flows..............................................................................................................431

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer........................................................................431

iSCSI Optimization: Operation...................................................................................................................................... 431

Conguring iSCSI Optimization....................................................................................................................................432

Displaying iSCSI Optimization Information..................................................................................................................433

29 Intermediate System to Intermediate System.......................................................................................... 435

IS-IS Protocol Overview............................................................................................................................................... 435

IS-IS Addressing.............................................................................................................................................................435

Multi-Topology IS-IS...................................................................................................................................................... 436

Transition Mode....................................................................................................................................................... 436

Interface Support.....................................................................................................................................................437

Adjacencies...............................................................................................................................................................437

Graceful Restart.............................................................................................................................................................437

Timers........................................................................................................................................................................437

Implementation Information..........................................................................................................................................438

Conguration Information.............................................................................................................................................438

Conguration Tasks for IS-IS..................................................................................................................................439

IS-IS Metric Styles.........................................................................................................................................................453

Congure Metric Values............................................................................................................................................... 453

Maximum Values in the Routing Table.................................................................................................................. 453

Change the IS-IS Metric Style in One Level Only................................................................................................453

16

Contents

Leaks from One Level to Another..........................................................................................................................455

Sample Congurations..................................................................................................................................................456

30 Isolated Networks for Aggregators.......................................................................................................... 460

Conguring and Verifying Isolated Network Settings............................................................................................... 460

31 Link Aggregation....................................................................................................................................... 461

Supported Modes...........................................................................................................................................................461

How the LACP is Implemented on an Aggregator..................................................................................................... 461

Uplink LAG................................................................................................................................................................462

Server-Facing LAGs................................................................................................................................................ 462

LACP Modes............................................................................................................................................................ 462

Auto-Congured LACP Timeout............................................................................................................................462

Link Aggregation Control Protocol (LACP)................................................................................................................ 463

Conguration Tasks for Port Channel Interfaces.................................................................................................463

Creating a Port Channel..........................................................................................................................................463

Adding a Physical Interface to a Port Channel.....................................................................................................463

Reassigning an Interface to a New Port Channel................................................................................................465

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 466

Conguring VLAN Tags for Member Interfaces.................................................................................................. 466

Deleting or Disabling a Port Channel..................................................................................................................... 467

Conguring Auto LAG................................................................................................................................................... 467

Conguring the Minimum Number of Links to be Up for Uplink LAGs to be Active.............................................469

Optimizing Trac Disruption Over LAG Interfaces On IOA Switches in VLT Mode..............................................470

Preserving LAG and Port Channel Settings in Nonvolatile Storage........................................................................ 470

Enabling LACP link-fallback.......................................................................................................................................... 470

Enabling the Verication of Member Links Utilization in a LAG Bundle...................................................................471

Monitoring the Member Links of a LAG Bundle......................................................................................................... 471

Verifying LACP Operation and LAG Conguration.................................................................................................... 472

Multiple Uplink LAGs with 10G Member Ports...........................................................................................................474

32 Layer 2.....................................................................................................................................................476

Supported Modes.......................................................................................................................................................... 476

Managing the MAC Address Table.............................................................................................................................. 476

Clearing the MAC Address Entries........................................................................................................................ 476

Displaying the MAC Address Table.........................................................................................................................477

Disabling MAC Address Learning on the System.................................................................................................477

Network Interface Controller (NIC) Teaming............................................................................................................. 478

MAC Address Station Move................................................................................................................................... 478

MAC Move Optimization........................................................................................................................................ 479

33 Link Layer Discovery Protocol (LLDP)..................................................................................................... 480

Supported Modes..........................................................................................................................................................480

Protocol Data Units....................................................................................................................................................... 480

Congure LLDP..............................................................................................................................................................482

Related Conguration Tasks................................................................................................................................... 482

Contents

17

Important Points to Remember..............................................................................................................................482

CONFIGURATION versus INTERFACE Congurations............................................................................................ 482

Enabling LLDP................................................................................................................................................................483

Disabling and Undoing LLDP.................................................................................................................................. 483

Advertising TLVs............................................................................................................................................................ 483

Optional TLVs................................................................................................................................................................. 484

Management TLVs...................................................................................................................................................484

IEEE Organizationally Specic TLVs......................................................................................................................485

LLDP-MED Capabilities TLV...................................................................................................................................486

LLDP-MED Network Policies TLV..........................................................................................................................487

Extended Power via MDI TLV................................................................................................................................ 488

LLDP Operation............................................................................................................................................................. 488

Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................489

Reserved Unrecognized LLDP TLVs..................................................................................................................... 489

Organizational Specic Unrecognized LLDP TLVs..............................................................................................489

Viewing Unrecognized LLDP TLVs........................................................................................................................ 490

Viewing the LLDP Conguration................................................................................................................................. 490

Viewing Information Advertised by Adjacent LLDP Agents..................................................................................... 490

Conguring LLDPDU Intervals......................................................................................................................................491

Conguring a Time to Live............................................................................................................................................492

Clearing LLDP Counters............................................................................................................................................... 492

Debugging LLDP............................................................................................................................................................493

Relevant Management Objects................................................................................................................................... 493

34 Microsoft Network Load Balancing.......................................................................................................... 499

NLB Unicast Mode Scenario........................................................................................................................................499

NLB Multicast Mode Scenario.....................................................................................................................................499

Limitations With Enabling NLB on Switches..............................................................................................................500

Benets and Working of Microsoft Clustering...........................................................................................................500

Enable and Disable VLAN Flooding ............................................................................................................................ 500

Conguring a Switch for NLB .....................................................................................................................................500

Multicast NLB Mode................................................................................................................................................501

35 Multicast Source Discovery Protocol (MSDP)......................................................................................... 502

Protocol Overview.........................................................................................................................................................502

Anycast RP.....................................................................................................................................................................504

Implementation Information......................................................................................................................................... 505

Congure the Multicast Source Discovery Protocol.................................................................................................505

Related Conguration Tasks...................................................................................................................................505

Enabling MSDP..............................................................................................................................................................509

Manage the Source-Active Cache...............................................................................................................................510

Viewing the Source-Active Cache......................................................................................................................... 510

Limiting the Source-Active Cache......................................................................................................................... 510

Clearing the Source-Active Cache..........................................................................................................................511

Enabling the Rejected Source-Active Cache.........................................................................................................511

Accept Source-Active Messages that Fail the RFP Check....................................................................................... 511

18

Contents

Specifying Source-Active Messages........................................................................................................................... 515

Limiting the Source-Active Messages from a Peer....................................................................................................516

Preventing MSDP from Caching a Local Source........................................................................................................516

Preventing MSDP from Caching a Remote Source................................................................................................... 517

Preventing MSDP from Advertising a Local Source...................................................................................................517

Logging Changes in Peership States............................................................................................................................518

Terminating a Peership...................................................................................................................................................518

Clearing Peer Statistics..................................................................................................................................................519

Debugging MSDP...........................................................................................................................................................519

MSDP with Anycast RP................................................................................................................................................520

Conguring Anycast RP................................................................................................................................................ 521

Reducing Source-Active Message Flooding.........................................................................................................522

Specifying the RP Address Used in SA Messages.............................................................................................. 522

MSDP Sample Congurations......................................................................................................................................524

36 Multiple Spanning Tree Protocol (MSTP).................................................................................................527

Protocol Overview......................................................................................................................................................... 527

Spanning Tree Variations...............................................................................................................................................528

Implementation Information..........................................................................................................................................528

Congure Multiple Spanning Tree Protocol................................................................................................................528

Related Conguration Tasks...................................................................................................................................529

Enable Multiple Spanning Tree Globally...................................................................................................................... 529

Creating Multiple Spanning Tree Instances................................................................................................................ 529

Inuencing MSTP Root Selection................................................................................................................................530

Interoperate with Non-Dell Networking OS Bridges..................................................................................................531

Changing the Region Name or Revision......................................................................................................................531

Modifying Global Parameters....................................................................................................................................... 532

Enable BPDU Filtering Globally.................................................................................................................................... 533

Modifying the Interface Parameters............................................................................................................................533

Conguring an EdgePort.............................................................................................................................................. 534

Flush MAC Addresses after a Topology Change....................................................................................................... 535

MSTP Sample Congurations......................................................................................................................................535

Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-

CongurationSFTOS Example Running-Conguration.......................................................................................536

Debugging and Verifying MSTP Congurations........................................................................................................ 539

37 Multicast Features....................................................................................................................................541

Enabling IP Multicast..................................................................................................................................................... 541

Implementation Information.......................................................................................................................................... 541

First Packet Forwarding for Lossless Multicast.........................................................................................................542

Multicast Policies...........................................................................................................................................................542

IPv4 Multicast Policies.................................................................................................................................................. 542

Limiting the Number of Multicast Routes............................................................................................................ 543

Preventing a Host from Joining a Group.............................................................................................................. 543

Rate Limiting IGMP Join Requests........................................................................................................................546

Preventing a PIM Router from Forming an Adjacency....................................................................................... 546

Contents

19

Preventing a Source from Registering with the RP............................................................................................ 546

Preventing a PIM Router from Processing a Join............................................................................................... 549

Understanding Multicast Traceroute (mtrace).......................................................................................................... 549

Important Points to Remember............................................................................................................................. 550

Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 550

Supported Error Codes..................................................................................................................................................551

mtrace Scenarios...........................................................................................................................................................552

38 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 558

Protocol Overview.........................................................................................................................................................558

Autonomous System (AS) Areas........................................................................................................................... 558

Area Types................................................................................................................................................................ 559

Networks and Neighbors........................................................................................................................................560

Router Types............................................................................................................................................................ 560

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

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

OSPF with the Dell Networking OS............................................................................................................................564

Graceful Restart...................................................................................................................................................... 565

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................566

Processing SNMP and Sending SNMP Traps......................................................................................................566

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

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

Conguration Information............................................................................................................................................. 567

Conguration Task List for OSPFv2 (OSPF for IPv4).........................................................................................567

Troubleshooting OSPFv2........................................................................................................................................ 578

OSPFv3 NSSA............................................................................................................................................................... 582

NSSA Options.......................................................................................................................................................... 582

Conguration Task List for OSPFv3 (OSPF for IPv6).............................................................................................. 582

Enabling IPv6 Unicast Routing...............................................................................................................................583

Assigning IPv6 Addresses on an Interface............................................................................................................583

Assigning Area ID on an Interface..........................................................................................................................584

Assigning OSPFv3 Process ID and Router ID Globally........................................................................................584

Conguring Stub Areas...........................................................................................................................................585

Conguring Passive-Interface................................................................................................................................585

Redistributing Routes..............................................................................................................................................585

Conguring a Default Route...................................................................................................................................586

Enabling OSPFv3 Graceful Restart....................................................................................................................... 586

Displaying Graceful Restart.................................................................................................................................... 587

OSPFv3 Authentication Using IPsec.....................................................................................................................588

39 Policy-based Routing (PBR).................................................................................................................... 596

Overview........................................................................................................................................................................ 596

Implementing Policy-based Routing with Dell Networking OS................................................................................ 598

Conguration Task List for Policy-based Routing......................................................................................................598

PBR Exceptions (Permit)....................................................................................................................................... 600

Apply a Redirect-list to an Interface using a Redirect-group................................................................................... 602

20

Contents

Page is loading ...

Dell PowerEdge FX2/FX2s User guide

Dell PowerEdge FX2/FX2s User guide

Other documents