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Force10 Z9000

Dell Force10 Z9000 Administrator Guide

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Dell Configuration Guide for the Z9000
System
9.7(0.0)
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
NOTE: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property
laws.
Dell
™
and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names
mentioned herein may be trademarks of their respective companies.
2015 - 02
Rev. A00
1 About this Guide......................................................................................................................... 25
Audience............................................................................................................................................................................... 25
Conventions......................................................................................................................................................................... 25
Related Documents.............................................................................................................................................................25
2 Configuration Fundamentals....................................................................................................... 26
Accessing the Command Line........................................................................................................................................... 26
CLI Modes............................................................................................................................................................................ 26
Navigating CLI Modes...................................................................................................................................................28
The do Command................................................................................................................................................................30
Undoing Commands.............................................................................................................................................................31
Obtaining Help...................................................................................................................................................................... 31
Entering and Editing Commands....................................................................................................................................... 32
Command History................................................................................................................................................................32
Filtering show Command Outputs.....................................................................................................................................33
Multiple Users in Configuration Mode.............................................................................................................................. 34
3 Getting Started..........................................................................................................................35
Console Access....................................................................................................................................................................35
Serial Console.................................................................................................................................................................35
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................... 36
Default Configuration..........................................................................................................................................................37
Configuring a Host Name................................................................................................................................................... 37
Accessing the System Remotely....................................................................................................................................... 37
Configure the Management Port IP Address.............................................................................................................38
Configure a Management Route................................................................................................................................. 38
Configuring a Username and Password......................................................................................................................38
Configuring the Enable Password..................................................................................................................................... 38
Configuration File Management........................................................................................................................................ 39
Copy Files to and from the System.............................................................................................................................39
Mounting an NFS File System..................................................................................................................................... 40
Save the Running-Configuration..................................................................................................................................41
Configure the Overload Bit for a Startup Scenario...................................................................................................42
Viewing Files...................................................................................................................................................................42
Managing the File System.................................................................................................................................................. 43
Enabling Software Features on Devices Using a Command Option.............................................................................44
View Command History...................................................................................................................................................... 44
Upgrading Dell Networking OS..........................................................................................................................................44
Using HTTP for File Transfers........................................................................................................................................... 45
Using Hashes to Validate Software Images.............................................................................................................45
4 Management.............................................................................................................................. 47
Configuring Privilege Levels............................................................................................................................................... 47
Removing a Command from EXEC Mode..................................................................................................................48
Contents
Contents 3
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................... 48
Allowing Access to CONFIGURATION Mode Commands....................................................................................... 48
Allowing Access to the Following Modes................................................................................................................... 48
Applying a Privilege Level to a Username...................................................................................................................50
Applying a Privilege Level to a Terminal Line............................................................................................................. 50
Configuring Logging............................................................................................................................................................50
Audit and Security Logs................................................................................................................................................50
Configuring Logging Format ................................................................................................................................ 52
Setting Up a Secure Connection to a Syslog Server.......................................................................................52
Log Messages in the Internal Buffer.................................................................................................................................53
Disabling System Logging...................................................................................................................................................53
Sending System Messages to a Syslog Server............................................................................................................... 53
Configuring a UNIX System as a Syslog Server........................................................................................................ 54
Changing System Logging Settings..................................................................................................................................54
Display the Logging Buffer and the Logging Configuration...........................................................................................55
Configuring a UNIX Logging Facility Level.......................................................................................................................55
Synchronizing Log Messages............................................................................................................................................ 56
Enabling Timestamp on Syslog Messages........................................................................................................................57
File Transfer Services..........................................................................................................................................................57
Enabling the FTP Server...............................................................................................................................................57
Configuring FTP Server Parameters...........................................................................................................................57
Configuring FTP Client Parameters............................................................................................................................ 58
Terminal Lines...................................................................................................................................................................... 58
Denying and Permitting Access to a Terminal Line...................................................................................................58
Configuring Login Authentication for Terminal Lines................................................................................................59
Setting Time Out of EXEC Privilege Mode......................................................................................................................60
Using Telnet to get to Another Network Device............................................................................................................ 60
Lock CONFIGURATION Mode........................................................................................................................................... 61
Recovering from a Forgotten Password on the Z9000 System....................................................................................61
Recovering from a Forgotten Enable Password on the Z9000.............................................................................. 62
Recovering from a Failed Start on the Z9000 System.................................................................................................. 63
Restoring the Factory Default Settings............................................................................................................................63
Restoring Factory Default Environment Variables.................................................................................................... 64
5 802.1X.......................................................................................................................................66
The Port-Authentication Process......................................................................................................................................67
EAP over RADIUS..........................................................................................................................................................68
Configuring 802.1X..............................................................................................................................................................69
Important Points to Remember.........................................................................................................................................69
Enabling 802.1X....................................................................................................................................................................70
Configuring Request Identity Re-Transmissions.............................................................................................................. 71
Configuring a Quiet Period after a Failed Authentication.........................................................................................72
Forcibly Authorizing or Unauthorizing a Port...................................................................................................................72
Re-Authenticating a Port....................................................................................................................................................73
Configuring Timeouts..........................................................................................................................................................74
Configuring Dynamic VLAN Assignment with Port Authentication.............................................................................. 75
Guest and Authentication-Fail VLANs.............................................................................................................................. 76
Configuring a Guest VLAN........................................................................................................................................... 76
Configuring an Authentication-Fail VLAN...................................................................................................................76
4
Contents
6 Access Control Lists (ACLs)........................................................................................................78
IP Access Control Lists (ACLs)......................................................................................................................................... 78
CAM Usage.................................................................................................................................................................... 79
Implementing ACLs on Dell Networking OS...............................................................................................................79
IP Fragment Handling.......................................................................................................................................................... 81
IP Fragments ACL Examples.........................................................................................................................................81
Layer 4 ACL Rules Examples........................................................................................................................................ 81
Configure a Standard IP ACL.............................................................................................................................................82
Configuring a Standard IP ACL Filter..........................................................................................................................83
Configure an Extended IP ACL..........................................................................................................................................84
Configuring Filters with a Sequence Number............................................................................................................ 84
Configuring Filters Without a Sequence Number......................................................................................................85
Configure Layer 2 and Layer 3 ACLs................................................................................................................................85
Assign an IP ACL to an Interface.......................................................................................................................................86
Applying an IP ACL..............................................................................................................................................................86
Counting ACL Hits.........................................................................................................................................................87
Configure Ingress ACLs...................................................................................................................................................... 87
Configure Egress ACLs.......................................................................................................................................................88
Applying Egress Layer 3 ACLs (Control-Plane).........................................................................................................88
IP Prefix Lists....................................................................................................................................................................... 89
Configuration Task List for Prefix Lists...................................................................................................................... 89
ACL Resequencing.............................................................................................................................................................. 92
Resequencing an ACL or Prefix List............................................................................................................................93
Route Maps..........................................................................................................................................................................94
Important Points to Remember.........................................................................................................................................94
Configuration Task List for Route Maps.....................................................................................................................94
Configuring Match Routes........................................................................................................................................... 96
Configuring Set Conditions...........................................................................................................................................97
Configure a Route Map for Route Redistribution......................................................................................................98
Configure a Route Map for Route Tagging................................................................................................................99
Continue Clause.............................................................................................................................................................99
Logging of ACL Processes.................................................................................................................................................99
Guidelines for Configuring ACL Logging.........................................................................................................................100
Configuring ACL Logging..................................................................................................................................................100
Flow-Based Monitoring Support for ACLs......................................................................................................................101
Enabling Flow-Based Monitoring..................................................................................................................................... 102
7 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).........................104
Optimizing CAM Utilization During the Attachment of ACLs to VLANs.................................................................... 104
Guidelines for Configuring ACL VLAN groups............................................................................................................... 105
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters..................................................105
Configuring ACL VLAN Groups..................................................................................................................................105
Configuring FP Blocks for VLAN Parameters.......................................................................................................... 106
Viewing CAM Usage..........................................................................................................................................................107
Allocating FP Blocks for VLAN Processes......................................................................................................................108
8 Bidirectional Forwarding Detection (BFD)...................................................................................109
How BFD Works................................................................................................................................................................ 109
Contents
5
BFD Packet Format......................................................................................................................................................110
BFD Sessions..................................................................................................................................................................111
BFD Three-Way Handshake........................................................................................................................................112
Session State Changes................................................................................................................................................ 113
Important Points to Remember........................................................................................................................................ 113
Configure BFD.....................................................................................................................................................................113
Configure BFD for Physical Ports...............................................................................................................................114
Configure BFD for Static Routes................................................................................................................................116
Configure BFD for OSPF............................................................................................................................................. 118
Configure BFD for OSPFv3........................................................................................................................................ 120
Configure BFD for IS-IS............................................................................................................................................... 121
Configure BFD for BGP...............................................................................................................................................123
Configure BFD for VRRP............................................................................................................................................ 129
Configuring Protocol Liveness....................................................................................................................................132
Troubleshooting BFD................................................................................................................................................... 132
9 Border Gateway Protocol IPv4 (BGPv4)......................................................................................134
Autonomous Systems (AS).............................................................................................................................................. 134
Sessions and Peers............................................................................................................................................................136
Establish a Session.......................................................................................................................................................136
Route Reflectors................................................................................................................................................................ 137
BGP Attributes................................................................................................................................................................... 138
Best Path Selection Criteria........................................................................................................................................138
Weight........................................................................................................................................................................... 140
Local Preference.......................................................................................................................................................... 140
Multi-Exit Discriminators (MEDs)...............................................................................................................................141
Origin..............................................................................................................................................................................142
AS Path..........................................................................................................................................................................142
Next Hop....................................................................................................................................................................... 143
Multiprotocol BGP............................................................................................................................................................. 143
Implement BGP with Dell Networking OS...................................................................................................................... 143
Advertise IGP Cost as MED for Redistributed Routes............................................................................................144
Ignore Router-ID for Some Best-Path Calculations................................................................................................ 144
Four-Byte AS Numbers............................................................................................................................................... 144
AS4 Number Representation......................................................................................................................................145
AS Number Migration..................................................................................................................................................146
BGP4 Management Information Base (MIB)........................................................................................................... 147
Important Points to Remember..................................................................................................................................148
Configuration Information.................................................................................................................................................148
BGP Configuration.............................................................................................................................................................149
Enabling BGP................................................................................................................................................................149
Configuring AS4 Number Representations...............................................................................................................152
Configuring Peer Groups.............................................................................................................................................153
Configuring BGP Fast Fall-Over.................................................................................................................................156
Configuring Passive Peering....................................................................................................................................... 157
Maintaining Existing AS Numbers During an AS Migration.................................................................................... 158
Allowing an AS Number to Appear in its Own AS Path...........................................................................................158
Enabling Graceful Restart........................................................................................................................................... 159
Enabling Neighbor Graceful Restart..........................................................................................................................160
Filtering on an AS-Path Attribute.............................................................................................................................. 160
6
Contents
Regular Expressions as Filters.....................................................................................................................................161
Redistributing Routes.................................................................................................................................................. 162
Enabling Additional Paths............................................................................................................................................163
Configuring IP Community Lists.................................................................................................................................163
Configuring an IP Extended Community List............................................................................................................164
Filtering Routes with Community Lists..................................................................................................................... 165
Manipulating the COMMUNITY Attribute................................................................................................................ 165
Changing MED Attributes........................................................................................................................................... 167
Changing the LOCAL_PREFERENCE Attribute...................................................................................................... 167
Changing the NEXT_HOP Attribute......................................................................................................................... 168
Changing the WEIGHT Attribute............................................................................................................................... 168
Enabling Multipath....................................................................................................................................................... 168
Filtering BGP Routes................................................................................................................................................... 168
Filtering BGP Routes Using Route Maps..................................................................................................................169
Filtering BGP Routes Using AS-PATH Information................................................................................................. 170
Configuring BGP Route Reflectors.............................................................................................................................171
Aggregating Routes...................................................................................................................................................... 171
Configuring BGP Confederations................................................................................................................................171
Enabling Route Flap Dampening.................................................................................................................................172
Changing BGP Timers..................................................................................................................................................174
Enabling BGP Neighbor Soft-Reconfiguration......................................................................................................... 174
Route Map Continue....................................................................................................................................................175
Enabling MBGP Configurations........................................................................................................................................176
BGP Regular Expression Optimization............................................................................................................................ 176
Debugging BGP..................................................................................................................................................................176
Storing Last and Bad PDUs.........................................................................................................................................177
Capturing PDUs............................................................................................................................................................178
PDU Counters...............................................................................................................................................................179
Sample Configurations...................................................................................................................................................... 179
10 Content Addressable Memory (CAM)........................................................................................ 185
CAM Allocation...................................................................................................................................................................185
Test CAM Usage................................................................................................................................................................187
View CAM Profiles............................................................................................................................................................. 187
View CAM-ACL Settings...................................................................................................................................................187
View CAM Usage...............................................................................................................................................................189
CAM Optimization............................................................................................................................................................. 190
Troubleshoot CAM Profiling............................................................................................................................................. 190
QoS CAM Region Limitation.......................................................................................................................................190
11 Control Plane Policing (CoPP)................................................................................................... 191
Configure Control Plane Policing..................................................................................................................................... 192
Configuring CoPP for Protocols.................................................................................................................................193
Configuring CoPP for CPU Queues...........................................................................................................................194
CoPP for OSPFv3 Packets.........................................................................................................................................195
Configuring CoPP for OSPFv3...................................................................................................................................197
Show Commands.........................................................................................................................................................198
12 Dynamic Host Configuration Protocol (DHCP)...........................................................................200
Contents
7
DHCP Packet Format and Options.................................................................................................................................200
Assign an IP Address using DHCP................................................................................................................................... 201
Implementation Information.............................................................................................................................................202
Configure the System to be a DHCP Server.................................................................................................................203
Configuring the Server for Automatic Address Allocation.....................................................................................203
Specifying a Default Gateway................................................................................................................................... 204
Configure a Method of Hostname Resolution.........................................................................................................204
Using DNS for Address Resolution........................................................................................................................... 204
Using NetBIOS WINS for Address Resolution.........................................................................................................205
Creating Manual Binding Entries............................................................................................................................... 205
Debugging the DHCP Server.....................................................................................................................................205
Using DHCP Clear Commands.................................................................................................................................. 205
Configure the System to be a Relay Agent................................................................................................................... 206
Configure the System to be a DHCP Client.................................................................................................................. 207
DHCP Client on a Management Interface............................................................................................................... 208
DHCP Client Operation with Other Features.......................................................................................................... 208
Configure the System for User Port Stacking (Option 230)...................................................................................... 209
Configure Secure DHCP.................................................................................................................................................. 209
Option 82...................................................................................................................................................................... 210
DHCP Snooping........................................................................................................................................................... 210
Drop DHCP Packets on Snooped VLANs Only........................................................................................................ 213
Dynamic ARP Inspection............................................................................................................................................. 213
Configuring Dynamic ARP Inspection........................................................................................................................214
Source Address Validation................................................................................................................................................ 215
Enabling IP Source Address Validation......................................................................................................................215
DHCP MAC Source Address Validation.................................................................................................................... 215
Enabling IP+MAC Source Address Validation...........................................................................................................216
Viewing the Number of SAV Dropped Packets....................................................................................................... 216
Clearing the Number of SAV Dropped Packets....................................................................................................... 217
13 Equal Cost Multi-Path (ECMP)................................................................................................. 218
ECMP for Flow-Based Affinity.........................................................................................................................................218
Configuring the Hash Algorithm.................................................................................................................................218
Enabling Deterministic ECMP Next Hop...................................................................................................................218
Configuring the Hash Algorithm Seed.......................................................................................................................218
Link Bundle Monitoring......................................................................................................................................................219
Managing ECMP Group Paths................................................................................................................................... 219
Creating an ECMP Group Bundle............................................................................................................................. 220
Modifying the ECMP Group Threshold.................................................................................................................... 220
14 Enabling FIPS Cryptography..................................................................................................... 221
Configuration Tasks...........................................................................................................................................................221
Preparing the System........................................................................................................................................................221
Enabling FIPS Mode...........................................................................................................................................................221
Generating Host-Keys...................................................................................................................................................... 222
Monitoring FIPS Mode Status......................................................................................................................................... 222
Disabling FIPS Mode......................................................................................................................................................... 223
15 Force10 Resilient Ring Protocol (FRRP).................................................................................... 224
8
Contents
Protocol Overview............................................................................................................................................................ 224
Ring Status...................................................................................................................................................................225
Multiple FRRP Rings................................................................................................................................................... 225
Important FRRP Points...............................................................................................................................................225
Important FRRP Concepts.........................................................................................................................................226
Implementing FRRP.......................................................................................................................................................... 227
FRRP Configuration.......................................................................................................................................................... 227
Creating the FRRP Group.......................................................................................................................................... 227
Configuring the Control VLAN...................................................................................................................................227
Configuring and Adding the Member VLANs.......................................................................................................... 228
Setting the FRRP Timers........................................................................................................................................... 229
Clearing the FRRP Counters......................................................................................................................................229
Viewing the FRRP Configuration.............................................................................................................................. 229
Viewing the FRRP Information.................................................................................................................................. 230
Troubleshooting FRRP..................................................................................................................................................... 230
Sample Configuration and Topology...............................................................................................................................230
16 GARP VLAN Registration Protocol (GVRP)................................................................................232
Configure GVRP................................................................................................................................................................232
Enabling GVRP Globally....................................................................................................................................................233
Enabling GVRP on a Layer 2 Interface........................................................................................................................... 234
Configure GVRP Registration..........................................................................................................................................234
Configure a GARP Timer..................................................................................................................................................234
17 Internet Group Management Protocol (IGMP)........................................................................... 236
IGMP Protocol Overview................................................................................................................................................. 236
IGMP Version 2............................................................................................................................................................236
IGMP Version 3............................................................................................................................................................237
Configure IGMP.................................................................................................................................................................240
Viewing IGMP Enabled Interfaces...................................................................................................................................240
Selecting an IGMP Version............................................................................................................................................... 241
Viewing IGMP Groups....................................................................................................................................................... 241
Adjusting Timers................................................................................................................................................................ 242
Adjusting Query and Response Timers.....................................................................................................................242
Adjusting the IGMP Querier Timeout Value............................................................................................................. 242
Configuring a Static IGMP Group................................................................................................................................... 242
Enabling IGMP Immediate-Leave....................................................................................................................................243
IGMP Snooping..................................................................................................................................................................243
Configuring IGMP Snooping...................................................................................................................................... 243
Removing a Group-Port Association.........................................................................................................................244
Disabling Multicast Flooding.......................................................................................................................................244
Specifying a Port as Connected to a Multicast Router..........................................................................................244
Configuring the Switch as Querier............................................................................................................................245
Fast Convergence after MSTP Topology Changes......................................................................................................245
Egress Interface Selection (EIS) for HTTP and IGMP Applications...........................................................................245
Designating a Multicast Router Interface....................................................................................................................... 251
18 Interfaces...............................................................................................................................252
Interface Types..................................................................................................................................................................253
Contents
9
View Basic Interface Information.................................................................................................................................... 253
Enabling a Physical Interface........................................................................................................................................... 254
Physical Interfaces............................................................................................................................................................255
Configuration Task List for Physical Interfaces.......................................................................................................255
Overview of Layer Modes..........................................................................................................................................255
Configuring Layer 2 (Data Link) Mode.....................................................................................................................256
Configuring Layer 2 (Interface) Mode......................................................................................................................256
Configuring Layer 3 (Network) Mode...................................................................................................................... 256
Configuring Layer 3 (Interface) Mode......................................................................................................................257
Egress Interface Selection (EIS)..................................................................................................................................... 257
Configuring EIS............................................................................................................................................................ 257
Management Interfaces................................................................................................................................................... 258
Configuring Management Interfaces........................................................................................................................258
Configuring Management Interfaces on the S-Series............................................................................................258
VLAN Interfaces................................................................................................................................................................259
Loopback Interfaces......................................................................................................................................................... 260
Null Interfaces....................................................................................................................................................................260
Port Channel Interfaces................................................................................................................................................... 260
Port Channel Definition and Standards.................................................................................................................... 260
Port Channel Benefits................................................................................................................................................. 261
Port Channel Implementation.....................................................................................................................................261
10/100/1000 Mbps Interfaces in Port Channels......................................................................................................261
Configuration Tasks for Port Channel Interfaces....................................................................................................262
Creating a Port Channel............................................................................................................................................. 262
Adding a Physical Interface to a Port Channel........................................................................................................ 262
Reassigning an Interface to a New Port Channel................................................................................................... 264
Configuring the Minimum Oper Up Links in a Port Channel..................................................................................264
.......................................................................................................................................................................................265
Assigning an IP Address to a Port Channel..............................................................................................................265
Deleting or Disabling a Port Channel.........................................................................................................................265
Load Balancing Through Port Channels...................................................................................................................266
Load-Balancing Method............................................................................................................................................. 266
Changing the Hash Algorithm....................................................................................................................................266
Bulk Configuration.............................................................................................................................................................267
Interface Range........................................................................................................................................................... 267
Bulk Configuration Examples..................................................................................................................................... 268
Defining Interface Range Macros................................................................................................................................... 269
Define the Interface Range........................................................................................................................................269
Choosing an Interface-Range Macro........................................................................................................................269
Monitoring and Maintaining Interfaces...........................................................................................................................270
Maintenance Using TDR..............................................................................................................................................271
Splitting QSFP Ports to SFP+ Ports............................................................................................................................... 271
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................... 272
Link Dampening................................................................................................................................................................. 276
Enabling Link Dampening............................................................................................................................................276
Link Bundle Monitoring..................................................................................................................................................... 278
Using Ethernet Pause Frames for Flow Control............................................................................................................278
Enabling Pause Frames...............................................................................................................................................278
Configure the MTU Size on an Interface....................................................................................................................... 279
Port-Pipes.......................................................................................................................................................................... 279
10
Contents
Auto-Negotiation on Ethernet Interfaces...................................................................................................................... 280
Setting the Speed and Duplex Mode of Ethernet Interfaces................................................................................280
Set Auto-Negotiation Options....................................................................................................................................281
View Advanced Interface Information............................................................................................................................282
Configuring the Interface Sampling Size..................................................................................................................283
Dynamic Counters.............................................................................................................................................................284
Clearing Interface Counters.......................................................................................................................................284
Enhanced Validation of Interface Ranges...................................................................................................................... 284
19 Internet Protocol Security (IPSec)........................................................................................... 286
Configuring IPSec ............................................................................................................................................................ 286
20 IPv4 Routing.......................................................................................................................... 288
IP Addresses...................................................................................................................................................................... 289
Configuration Tasks for IP Addresses............................................................................................................................ 289
Assigning IP Addresses to an Interface..........................................................................................................................289
Configuring Static Routes................................................................................................................................................290
Configure Static Routes for the Management Interface.............................................................................................292
IPv4 Path MTU Discovery Overview..............................................................................................................................292
Using the Configured Source IP Address in ICMP Messages.....................................................................................293
Configuring the Duration to Establish a TCP Connection............................................................................................293
Enabling Directed Broadcast........................................................................................................................................... 294
Resolution of Host Names............................................................................................................................................... 294
Enabling Dynamic Resolution of Host Names................................................................................................................294
Specifying the Local System Domain and a List of Domains.......................................................................................295
Configuring DNS with Traceroute.................................................................................................................................. 295
ARP..................................................................................................................................................................................... 296
Configuration Tasks for ARP........................................................................................................................................... 296
Configuring Static ARP Entries....................................................................................................................................... 296
Enabling Proxy ARP.......................................................................................................................................................... 296
Clearing ARP Cache..........................................................................................................................................................297
ARP Learning via Gratuitous ARP...................................................................................................................................297
Enabling ARP Learning via Gratuitous ARP................................................................................................................... 297
ARP Learning via ARP Request.......................................................................................................................................297
Configuring ARP Retries.................................................................................................................................................. 298
ICMP...................................................................................................................................................................................299
Configuration Tasks for ICMP.........................................................................................................................................299
Enabling ICMP Unreachable Messages..........................................................................................................................299
UDP Helper........................................................................................................................................................................ 299
Enabling UDP Helper........................................................................................................................................................ 300
Configuring a Broadcast Address................................................................................................................................... 300
Configurations Using UDP Helper...................................................................................................................................300
UDP Helper with Broadcast-All Addresses.....................................................................................................................301
UDP Helper with Subnet Broadcast Addresses.............................................................................................................301
UDP Helper with Configured Broadcast Addresses..................................................................................................... 302
UDP Helper with No Configured Broadcast Addresses...............................................................................................302
Troubleshooting UDP Helper...........................................................................................................................................302
21 IPv6 Routing...........................................................................................................................304
Contents
11
Protocol Overview............................................................................................................................................................ 304
Extended Address Space........................................................................................................................................... 304
Stateless Autoconfiguration.......................................................................................................................................304
IPv6 Headers............................................................................................................................................................... 305
IPv6 Header Fields...................................................................................................................................................... 306
Extension Header Fields............................................................................................................................................. 307
Addressing....................................................................................................................................................................308
Implementing IPv6 with Dell Networking OS................................................................................................................ 309
ICMPv6............................................................................................................................................................................... 310
Path MTU Discovery......................................................................................................................................................... 310
IPv6 Neighbor Discovery................................................................................................................................................... 311
IPv6 Neighbor Discovery of MTU Packets...............................................................................................................312
Configuration Task List for IPv6 RDNSS........................................................................................................................312
Configuring the IPv6 Recursive DNS Server............................................................................................................312
Debugging IPv6 RDNSS Information Sent to the Host ......................................................................................... 313
Displaying IPv6 RDNSS Information.......................................................................................................................... 313
Secure Shell (SSH) Over an IPv6 Transport..................................................................................................................314
Configuration Tasks for IPv6............................................................................................................................................314
Adjusting Your CAM-Profile........................................................................................................................................314
Assigning an IPv6 Address to an Interface............................................................................................................... 315
Assigning a Static IPv6 Route.................................................................................................................................... 315
Configuring Telnet with IPv6......................................................................................................................................316
SNMP over IPv6.......................................................................................................................................................... 316
Showing IPv6 Information...........................................................................................................................................316
Showing an IPv6 Interface..........................................................................................................................................317
Showing IPv6 Routes...................................................................................................................................................317
Showing the Running-Configuration for an Interface............................................................................................. 318
Clearing IPv6 Routes................................................................................................................................................... 319
Configuring IPv6 RA Guard.............................................................................................................................................. 319
Configuring IPv6 RA Guard on an Interface............................................................................................................ 320
Monitoring IPv6 RA Guard..........................................................................................................................................321
22 Intermediate System to Intermediate System............................................................................322
IS-IS Protocol Overview...................................................................................................................................................322
IS-IS Addressing................................................................................................................................................................ 322
Multi-Topology IS-IS......................................................................................................................................................... 323
Transition Mode...........................................................................................................................................................323
Interface Support........................................................................................................................................................ 323
Adjacencies...................................................................................................................................................................323
Graceful Restart................................................................................................................................................................ 324
Timers........................................................................................................................................................................... 324
Implementation Information............................................................................................................................................. 324
Configuration Information................................................................................................................................................ 325
Configuration Tasks for IS-IS.....................................................................................................................................325
Configuring the Distance of a Route........................................................................................................................ 332
Changing the IS-Type................................................................................................................................................. 332
Redistributing IPv4 Routes.........................................................................................................................................334
Redistributing IPv6 Routes.........................................................................................................................................334
Configuring Authentication Passwords.................................................................................................................... 335
Setting the Overload Bit.............................................................................................................................................335
12
Contents
Debugging IS-IS...........................................................................................................................................................336
IS-IS Metric Styles.............................................................................................................................................................337
Configure Metric Values...................................................................................................................................................337
Maximum Values in the Routing Table......................................................................................................................337
Change the IS-IS Metric Style in One Level Only....................................................................................................337
Leaks from One Level to Another............................................................................................................................. 339
Sample Configurations......................................................................................................................................................339
23 Link Aggregation Control Protocol (LACP)................................................................................342
Introduction to Dynamic LAGs and LACP......................................................................................................................342
Important Points to Remember.................................................................................................................................342
LACP Modes................................................................................................................................................................ 342
Configuring LACP Commands...................................................................................................................................343
LACP Configuration Tasks............................................................................................................................................... 343
Creating a LAG............................................................................................................................................................ 343
Configuring the LAG Interfaces as Dynamic............................................................................................................344
Setting the LACP Long Timeout............................................................................................................................... 344
Monitoring and Debugging LACP..............................................................................................................................345
Shared LAG State Tracking............................................................................................................................................. 345
Configuring Shared LAG State Tracking..................................................................................................................346
Important Points about Shared LAG State Tracking.............................................................................................. 347
LACP Basic Configuration Example................................................................................................................................ 347
Configure a LAG on ALPHA....................................................................................................................................... 347
Setting Up a Threshold for Utilization of High-Gigabit Port Channels.......................................................................354
Enabling the Verification of Member Links Utilization in a High-Gigabit Port Channel............................................356
Viewing Buffer Utilization and Queue Statistics on High-Gigabit Ethernet Backplane Ports.................................356
24 Layer 2...................................................................................................................................358
Manage the MAC Address Table.................................................................................................................................... 358
Clearing the MAC Address Table.............................................................................................................................. 358
Setting the Aging Time for Dynamic Entries........................................................................................................... 358
Configuring a Static MAC Address........................................................................................................................... 358
Displaying the MAC Address Table...........................................................................................................................359
MAC Learning Limit.......................................................................................................................................................... 359
Setting the MAC Learning Limit................................................................................................................................359
mac learning-limit Dynamic........................................................................................................................................ 360
mac learning-limit mac-address-sticky.....................................................................................................................360
mac learning-limit station-move................................................................................................................................360
mac learning-limit no-station-move.......................................................................................................................... 360
Learning Limit Violation Actions................................................................................................................................. 361
Setting Station Move Violation Actions.................................................................................................................... 361
Recovering from Learning Limit and Station Move Violations............................................................................... 361
NIC Teaming...................................................................................................................................................................... 362
Configure Redundant Pairs..............................................................................................................................................363
Far-End Failure Detection................................................................................................................................................ 366
FEFD State Changes.................................................................................................................................................. 366
Configuring FEFD........................................................................................................................................................ 367
Enabling FEFD on an Interface.................................................................................................................................. 368
Debugging FEFD..........................................................................................................................................................368
Contents
13
25 Link Layer Discovery Protocol (LLDP).......................................................................................370
802.1AB (LLDP) Overview...............................................................................................................................................370
Protocol Data Units.....................................................................................................................................................370
Optional TLVs..................................................................................................................................................................... 371
Management TLVs.......................................................................................................................................................371
TIA-1057 (LLDP-MED) Overview................................................................................................................................... 372
TIA Organizationally Specific TLVs............................................................................................................................373
Configure LLDP................................................................................................................................................................. 376
CONFIGURATION versus INTERFACE Configurations............................................................................................... 376
Enabling LLDP....................................................................................................................................................................377
Disabling and Undoing LLDP...................................................................................................................................... 377
Enabling LLDP on Management Ports............................................................................................................................377
Disabling and Undoing LLDP on Management Ports.............................................................................................. 377
Advertising TLVs............................................................................................................................................................... 378
Viewing the LLDP Configuration..................................................................................................................................... 379
Viewing Information Advertised by Adjacent LLDP Agents.........................................................................................379
Configuring LLDPDU Intervals.........................................................................................................................................380
Configuring Transmit and Receive Mode....................................................................................................................... 381
Configuring a Time to Live............................................................................................................................................... 382
Debugging LLDP................................................................................................................................................................382
Relevant Management Objects.......................................................................................................................................383
26 Microsoft Network Load Balancing...........................................................................................388
Configuring a Switch for NLB ........................................................................................................................................ 389
....................................................................................................................................................................................... 389
27 Multicast Source Discovery Protocol (MSDP)............................................................................391
Anycast RP.........................................................................................................................................................................392
Implementation Information.............................................................................................................................................393
Configure Multicast Source Discovery Protocol...........................................................................................................393
Related Configuration Tasks......................................................................................................................................393
Enable MSDP.....................................................................................................................................................................397
Manage the Source-Active Cache..................................................................................................................................398
Viewing the Source-Active Cache............................................................................................................................ 398
Limiting the Source-Active Cache............................................................................................................................ 398
Clearing the Source-Active Cache............................................................................................................................398
Enabling the Rejected Source-Active Cache...........................................................................................................399
Accept Source-Active Messages that Fail the RFP Check.........................................................................................399
Specifying Source-Active Messages.............................................................................................................................. 402
Limiting the Source-Active Messages from a Peer......................................................................................................403
Preventing MSDP from Caching a Local Source..........................................................................................................403
Preventing MSDP from Caching a Remote Source..................................................................................................... 403
Preventing MSDP from Advertising a Local Source.....................................................................................................404
Logging Changes in Peership States..............................................................................................................................405
Terminating a Peership.....................................................................................................................................................405
Clearing Peer Statistics.................................................................................................................................................... 405
Debugging MSDP..............................................................................................................................................................406
MSDP with Anycast RP................................................................................................................................................... 406
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Configuring Anycast RP................................................................................................................................................... 407
Reducing Source-Active Message Flooding............................................................................................................ 408
Specifying the RP Address Used in SA Messages..................................................................................................408
MSDP Sample Configurations..........................................................................................................................................410
28 Multiple Spanning Tree Protocol (MSTP).................................................................................. 414
Spanning Tree Variations.................................................................................................................................................. 415
Implementation Information........................................................................................................................................415
Configure Multiple Spanning Tree Protocol................................................................................................................... 415
Related Configuration Tasks.......................................................................................................................................415
Enable Multiple Spanning Tree Globally.......................................................................................................................... 416
Adding and Removing Interfaces.....................................................................................................................................416
Creating Multiple Spanning Tree Instances....................................................................................................................416
Influencing MSTP Root Selection.................................................................................................................................... 417
Interoperate with Non-Dell Networking OS Bridges..................................................................................................... 418
Changing the Region Name or Revision..........................................................................................................................418
Modifying Global Parameters........................................................................................................................................... 418
Modifying the Interface Parameters............................................................................................................................... 419
Configuring an EdgePort..................................................................................................................................................420
Flush MAC Addresses after a Topology Change........................................................................................................... 421
MSTP Sample Configurations.......................................................................................................................................... 421
Debugging and Verifying MSTP Configurations............................................................................................................424
29 Multicast Features..................................................................................................................426
Enabling IP Multicast........................................................................................................................................................ 426
Multicast with ECMP........................................................................................................................................................426
Implementation Information............................................................................................................................................. 427
First Packet Forwarding for Lossless Multicast............................................................................................................ 428
Multicast Policies...............................................................................................................................................................428
IPv4 Multicast Policies................................................................................................................................................428
30 Object Tracking......................................................................................................................435
Object Tracking Overview............................................................................................................................................... 435
Track Layer 2 Interfaces.............................................................................................................................................436
Track Layer 3 Interfaces.............................................................................................................................................436
Track IPv4 and IPv6 Routes...................................................................................................................................... 436
Set Tracking Delays.....................................................................................................................................................437
VRRP Object Tracking................................................................................................................................................437
Object Tracking Configuration.........................................................................................................................................438
Tracking a Layer 2 Interface...................................................................................................................................... 438
Tracking a Layer 3 Interface...................................................................................................................................... 439
Track an IPv4/IPv6 Route......................................................................................................................................... 440
Displaying Tracked Objects..............................................................................................................................................442
31 Open Shortest Path First (OSPFv2 and OSPFv3).......................................................................444
Protocol Overview............................................................................................................................................................ 444
Autonomous System (AS) Areas...............................................................................................................................444
Area Types................................................................................................................................................................... 445
Networks and Neighbors............................................................................................................................................446
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15
Router Types................................................................................................................................................................446
Designated and Backup Designated Routers...........................................................................................................447
Link-State Advertisements (LSAs)........................................................................................................................... 447
Router Priority and Cost.............................................................................................................................................448
OSPF with Dell Networking OS.......................................................................................................................................449
Graceful Restart.......................................................................................................................................................... 449
Fast Convergence (OSPFv2, IPv4 Only).................................................................................................................450
Multi-Process OSPFv2 (IPv4 only)...........................................................................................................................450
RFC-2328 Compliant OSPF Flooding........................................................................................................................451
OSPF ACK Packing.....................................................................................................................................................452
Setting OSPF Adjacency with Cisco Routers..........................................................................................................452
Configuration Information................................................................................................................................................ 452
Configuration Task List for OSPFv2 (OSPF for IPv4)........................................................................................... 453
Sample Configurations for OSPFv2................................................................................................................................463
Configuration Task List for OSPFv3 (OSPF for IPv6).................................................................................................465
Enabling IPv6 Unicast Routing.................................................................................................................................. 465
Assigning IPv6 Addresses on an Interface...............................................................................................................465
Assigning Area ID on an Interface............................................................................................................................. 466
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................... 466
Configuring Stub Areas.............................................................................................................................................. 466
Configuring Passive-Interface................................................................................................................................... 466
Redistributing Routes..................................................................................................................................................467
Configuring a Default Route.......................................................................................................................................467
Enabling OSPFv3 Graceful Restart...........................................................................................................................467
OSPFv3 Authentication Using IPsec........................................................................................................................ 469
Troubleshooting OSPFv3........................................................................................................................................... 475
32 Policy-based Routing (PBR).................................................................................................... 476
Overview............................................................................................................................................................................ 476
Implementing Policy-based Routing with Dell Networking OS....................................................................................477
Configuration Task List for Policy-based Routing.........................................................................................................478
Sample Configuration....................................................................................................................................................... 482
33 PIM Sparse-Mode (PIM-SM)................................................................................................... 486
Implementation Information.............................................................................................................................................486
Protocol Overview............................................................................................................................................................ 486
Requesting Multicast Traffic......................................................................................................................................486
Refuse Multicast Traffic............................................................................................................................................. 487
Send Multicast Traffic................................................................................................................................................ 487
Configuring PIM-SM.........................................................................................................................................................487
Related Configuration Tasks...................................................................................................................................... 487
Enable PIM-SM................................................................................................................................................................. 488
Configuring S,G Expiry Timers.........................................................................................................................................488
Configuring a Static Rendezvous Point......................................................................................................................... 489
Overriding Bootstrap Router Updates......................................................................................................................489
Configuring a Designated Router....................................................................................................................................490
Creating Multicast Boundaries and Domains.................................................................................................................490
Enabling PIM-SM Graceful Restart................................................................................................................................ 490
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Contents
34 PIM Source-Specific Mode (PIM-SSM).................................................................................... 492
Implementation Information.............................................................................................................................................492
Configure PIM-SMM........................................................................................................................................................ 492
Enabling PIM-SSM............................................................................................................................................................493
Use PIM-SSM with IGMP Version 2 Hosts................................................................................................................... 493
35 Port Monitoring......................................................................................................................496
Important Points to Remember.......................................................................................................................................496
Port Monitoring................................................................................................................................................................. 496
Configuring Port Monitoring............................................................................................................................................498
Enabling Flow-Based Monitoring.................................................................................................................................... 499
Remote Port Mirroring..................................................................................................................................................... 500
Remote Port Mirroring Example............................................................................................................................... 500
Configuring Remote Port Mirroring...........................................................................................................................501
Displaying Remote-Port Mirroring Configurations..................................................................................................502
Configuring the Sample Remote Port Mirroring..................................................................................................... 503
Configuring the Encapsulated Remote Port Mirroring.................................................................................................506
ERPM Behavior on a typical Dell Networking OS ........................................................................................................508
36 Private VLANs (PVLAN)...........................................................................................................510
Private VLAN Concepts....................................................................................................................................................510
Using the Private VLAN Commands................................................................................................................................511
Configuration Task List..................................................................................................................................................... 512
Creating PVLAN ports.................................................................................................................................................512
Creating a Primary VLAN............................................................................................................................................512
Creating a Community VLAN..................................................................................................................................... 513
Creating an Isolated VLAN..........................................................................................................................................514
Private VLAN Configuration Example............................................................................................................................. 515
Inspecting the Private VLAN Configuration................................................................................................................... 516
37 Per-VLAN Spanning Tree Plus (PVST+).....................................................................................518
Protocol Overview.............................................................................................................................................................518
Implementation Information..............................................................................................................................................519
Configure Per-VLAN Spanning Tree Plus.......................................................................................................................519
Enabling PVST+................................................................................................................................................................. 519
Disabling PVST+.................................................................................................................................................................519
Influencing PVST+ Root Selection..................................................................................................................................520
Modifying Global PVST+ Parameters..............................................................................................................................521
Modifying Interface PVST+ Parameters.........................................................................................................................521
Configuring an EdgePort..................................................................................................................................................522
PVST+ in Multi-Vendor Networks.................................................................................................................................. 523
Enabling PVST+ Extend System ID................................................................................................................................ 523
PVST+ Sample Configurations........................................................................................................................................524
38 Quality of Service (QoS)......................................................................................................... 526
Implementation Information.............................................................................................................................................528
Port-Based QoS Configurations......................................................................................................................................528
Setting dot1p Priorities for Incoming Traffic............................................................................................................528
Contents
17
Honoring dot1p Priorities on Ingress Traffic.............................................................................................................528
Configuring Port-Based Rate Policing......................................................................................................................529
Configuring Port-Based Rate Shaping..................................................................................................................... 529
Policy-Based QoS Configurations...................................................................................................................................530
Classify Traffic.............................................................................................................................................................530
Create a QoS Policy....................................................................................................................................................533
Create Policy Maps.....................................................................................................................................................535
Enabling QoS Rate Adjustment.......................................................................................................................................539
Enabling Strict-Priority Queueing....................................................................................................................................539
Weighted Random Early Detection.................................................................................................................................540
Creating WRED Profiles............................................................................................................................................. 540
Applying a WRED Profile to Traffic...........................................................................................................................540
Displaying Default and Configured WRED Profiles.................................................................................................. 541
Displaying WRED Drop Statistics...............................................................................................................................541
Pre-Calculating Available QoS CAM Space....................................................................................................................541
Configuring Weights and ECN for WRED .....................................................................................................................542
Configuring WRED and ECN Attributes.........................................................................................................................543
Guidelines for Configuring ECN for Classifying and Color-Marking Packets............................................................ 544
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class.................................... 545
Classifying Incoming Packets Using ECN and Color-Marking...............................................................................545
Sample configuration to mark non-ecn packets as “yellow” with single traffic class........................................ 546
Applying Layer 2 Match Criteria on a Layer 3 Interface...............................................................................................547
Applying DSCP and VLAN Match Criteria on a Service Queue.................................................................................. 548
39 Routing Information Protocol (RIP)......................................................................................... 549
Protocol Overview............................................................................................................................................................ 549
RIPv1............................................................................................................................................................................. 549
RIPv2............................................................................................................................................................................ 549
Implementation Information.............................................................................................................................................549
Configuration Information................................................................................................................................................550
Configuration Task List...............................................................................................................................................550
RIP Configuration Example........................................................................................................................................ 555
40 Remote Monitoring (RMON).................................................................................................... 561
Implementation Information..............................................................................................................................................561
Fault Recovery................................................................................................................................................................... 561
Setting the rmon Alarm...............................................................................................................................................561
Configuring an RMON Event.....................................................................................................................................562
Configuring RMON Collection Statistics..................................................................................................................563
Configuring the RMON Collection History...............................................................................................................563
41 Rapid Spanning Tree Protocol (RSTP)...................................................................................... 564
Protocol Overview............................................................................................................................................................ 564
Configuring Rapid Spanning Tree................................................................................................................................... 564
Important Points to Remember.......................................................................................................................................564
RSTP and VLT.............................................................................................................................................................565
Configuring Interfaces for Layer 2 Mode.......................................................................................................................565
Enabling Rapid Spanning Tree Protocol Globally.......................................................................................................... 565
Adding and Removing Interfaces.................................................................................................................................... 567
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Contents
Modifying Global Parameters...........................................................................................................................................567
Enabling SNMP Traps for Root Elections and Topology Changes....................................................................... 568
Modifying Interface Parameters..................................................................................................................................... 569
Enabling SNMP Traps for Root Elections and Topology Changes.............................................................................569
Influencing RSTP Root Selection....................................................................................................................................569
Configuring an EdgePort..................................................................................................................................................570
Configuring Fast Hellos for Link State Detection......................................................................................................... 570
42 Software-Defined Networking (SDN)....................................................................................... 572
43 Security................................................................................................................................. 573
AAA Accounting.................................................................................................................................................................573
Configuration Task List for AAA Accounting........................................................................................................... 573
AAA Authentication...........................................................................................................................................................575
Configuration Task List for AAA Authentication..................................................................................................... 575
Obscuring Passwords and Keys...................................................................................................................................... 577
AAA Authorization............................................................................................................................................................. 577
Privilege Levels Overview...........................................................................................................................................577
Configuration Task List for Privilege Levels.............................................................................................................578
RADIUS...............................................................................................................................................................................582
RADIUS Authentication.............................................................................................................................................. 582
Configuration Task List for RADIUS......................................................................................................................... 583
TACACS+...........................................................................................................................................................................585
Configuration Task List for TACACS+..................................................................................................................... 585
TACACS+ Remote Authentication........................................................................................................................... 586
Command Authorization.............................................................................................................................................587
Protection from TCP Tiny and Overlapping Fragment Attacks..................................................................................587
Enabling SCP and SSH..................................................................................................................................................... 587
Using SCP with SSH to Copy a Software Image....................................................................................................588
Removing the RSA Host Keys and Zeroizing Storage .......................................................................................... 588
Configuring When to Re-generate an SSH Key .....................................................................................................589
Configuring the SSH Server Key Exchange Algorithm...........................................................................................589
Configuring the HMAC Algorithm for the SSH Server.......................................................................................... 589
Configuring the SSH Server Cipher List.................................................................................................................. 590
Secure Shell Authentication.......................................................................................................................................590
Troubleshooting SSH..................................................................................................................................................592
Telnet..................................................................................................................................................................................593
VTY Line and Access-Class Configuration.....................................................................................................................593
VTY Line Local Authentication and Authorization...................................................................................................593
VTY Line Remote Authentication and Authorization..............................................................................................594
VTY MAC-SA Filter Support......................................................................................................................................594
Role-Based Access Control............................................................................................................................................. 594
Overview of RBAC......................................................................................................................................................595
User Roles.................................................................................................................................................................... 597
AAA Authentication and Authorization for Roles....................................................................................................600
Role Accounting.......................................................................................................................................................... 602
Display Information About User Roles...................................................................................................................... 603
44 Service Provider Bridging........................................................................................................605
Contents
19
VLAN Stacking.................................................................................................................................................................. 605
Configure VLAN Stacking.......................................................................................................................................... 606
Creating Access and Trunk Ports............................................................................................................................. 607
Enable VLAN-Stacking for a VLAN...........................................................................................................................607
Configuring the Protocol Type Value for the Outer VLAN Tag............................................................................ 608
Configuring Dell Networking OS Options for Trunk Ports.....................................................................................608
Debugging VLAN Stacking.........................................................................................................................................609
VLAN Stacking in Multi-Vendor Networks.............................................................................................................. 609
VLAN Stacking Packet Drop Precedence...................................................................................................................... 612
Enabling Drop Eligibility................................................................................................................................................612
Honoring the Incoming DEI Value.............................................................................................................................. 613
Marking Egress Packets with a DEI Value................................................................................................................ 613
Dynamic Mode CoS for VLAN Stacking......................................................................................................................... 614
Mapping C-Tag to S-Tag dot1p Values.....................................................................................................................615
Layer 2 Protocol Tunneling...............................................................................................................................................615
Enabling Layer 2 Protocol Tunneling..........................................................................................................................617
Specifying a Destination MAC Address for BPDUs.................................................................................................618
Setting Rate-Limit BPDUs.......................................................................................................................................... 618
Debugging Layer 2 Protocol Tunneling..................................................................................................................... 618
Provider Backbone Bridging............................................................................................................................................. 618
45 sFlow.....................................................................................................................................620
Overview............................................................................................................................................................................ 620
Implementation Information.............................................................................................................................................620
Enabling Extended sFlow.................................................................................................................................................. 621
Enabling and Disabling sFlow on an Interface................................................................................................................622
Enabling sFlow Max-Header Size Extended..................................................................................................................622
sFlow Show Commands...................................................................................................................................................623
Displaying Show sFlow Global....................................................................................................................................623
Displaying Show sFlow on an Interface....................................................................................................................623
Displaying Show sFlow on a Stack-unit....................................................................................................................624
Configuring Specify Collectors........................................................................................................................................624
Changing the Polling Intervals......................................................................................................................................... 624
Back-Off Mechanism........................................................................................................................................................625
sFlow on LAG ports.......................................................................................................................................................... 625
Enabling Extended sFlow................................................................................................................................................. 625
Important Points to Remember.................................................................................................................................626
46 Simple Network Management Protocol (SNMP)........................................................................ 627
Protocol Overview............................................................................................................................................................ 627
Implementation Information............................................................................................................................................. 627
SNMPv3 Compliance With FIPS.....................................................................................................................................628
Configuration Task List for SNMP..................................................................................................................................628
Important Points to Remember.......................................................................................................................................629
Set up SNMP.....................................................................................................................................................................629
Creating a Community................................................................................................................................................629
Setting Up User-Based Security (SNMPv3)...........................................................................................................630
Reading Managed Object Values.................................................................................................................................... 630
Writing Managed Object Values.......................................................................................................................................631
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