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Dell OS9 Owner's manual

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Dell Configuration Guide for the S6010–ON
System
9.14.2.2
July 2019
Rev. A00
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2018 - 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.
Chapter 1: About this Guide.........................................................................................................32
Audience.............................................................................................................................................................................. 32
Conventions........................................................................................................................................................................32
Related Documents...........................................................................................................................................................32
Chapter 2: Configuration Fundamentals...................................................................................... 33
Accessing the Command Line........................................................................................................................................ 33
CLI Modes........................................................................................................................................................................... 33
Navigating CLI Modes................................................................................................................................................ 34
The do Command.............................................................................................................................................................. 36
Undoing Commands..........................................................................................................................................................37
Obtaining Help....................................................................................................................................................................37
Entering and Editing Commands....................................................................................................................................37
Command History..............................................................................................................................................................38
Filtering show Command Outputs.................................................................................................................................38
Multiple Users in Configuration Mode..........................................................................................................................39
Chapter 3: Getting Started..........................................................................................................40
Console Access...................................................................................................................................................................41
Serial Console................................................................................................................................................................41
Default Configuration....................................................................................................................................................... 42
Configuring a Host Name................................................................................................................................................ 42
Accessing the System Remotely................................................................................................................................... 42
Configure the Management Port IP Address....................................................................................................... 42
Configure a Management Route..............................................................................................................................43
Configuring a Username and Password................................................................................................................. 43
Configuring the Enable Password................................................................................................................................. 44
Configuration File Management.....................................................................................................................................44
Copy Files to and from the System.........................................................................................................................44
Mounting an NFS File System..................................................................................................................................45
Save the Running-Configuration..............................................................................................................................47
Configure the Overload Bit for a Startup Scenario.............................................................................................47
Viewing Files................................................................................................................................................................. 47
Managing the File System...............................................................................................................................................48
View Command History................................................................................................................................................... 49
Upgrading Dell EMC Networking OS............................................................................................................................49
Using HTTP for File Transfers....................................................................................................................................... 50
Verify Software Images Before Installation................................................................................................................ 50
Chapter 4: Management.............................................................................................................. 52
Configuring Privilege Levels........................................................................................................................................... 52
Removing a Command from EXEC Mode..............................................................................................................53
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 53
Allowing Access to CONFIGURATION Mode Commands................................................................................. 53
Contents
Contents 3
Allowing Access to Different Modes...................................................................................................................... 53
Applying a Privilege Level to a Username..............................................................................................................54
Applying a Privilege Level to a Terminal Line....................................................................................................... 54
Configuring Logging......................................................................................................................................................... 54
Audit and Security Logs.............................................................................................................................................55
Configuring Logging Format .............................................................................................................................56
Setting Up a Secure Connection to a Syslog Server................................................................................ 56
Log Messages in the Internal Buffer............................................................................................................................ 58
Disabling System Logging............................................................................................................................................... 58
Sending System Messages to a Syslog Server..........................................................................................................58
Configuring a UNIX System as a Syslog Server...................................................................................................58
Track Login Activity..........................................................................................................................................................59
Restrictions for Tracking Login Activity................................................................................................................ 59
Configuring Login Activity Tracking........................................................................................................................59
Display Login Statistics.............................................................................................................................................. 59
Limit Concurrent Login Sessions....................................................................................................................................61
Restrictions for Limiting the Number of Concurrent Sessions......................................................................... 61
Configuring Concurrent Session Limit.................................................................................................................... 61
Enabling the System to Clear Existing Sessions...................................................................................................61
Enabling Secured CLI Mode............................................................................................................................................62
Changing System Logging Settings..............................................................................................................................62
Display the Logging Buffer and the Logging Configuration....................................................................................63
Configuring a UNIX Logging Facility Level..................................................................................................................64
Synchronizing Log Messages......................................................................................................................................... 65
Enabling Timestamp on Syslog Messages...................................................................................................................65
File Transfer Services.......................................................................................................................................................66
Enabling the FTP Server............................................................................................................................................67
Configuring FTP Server Parameters.......................................................................................................................67
Configuring FTP Client Parameters........................................................................................................................ 67
Terminal Lines.................................................................................................................................................................... 68
Denying and Permitting Access to a Terminal Line.............................................................................................68
Configuring Login Authentication for Terminal Lines......................................................................................... 69
Setting Timeout for EXEC Privilege Mode..................................................................................................................70
Using Telnet to get to Another Network Device.......................................................................................................70
Lock CONFIGURATION Mode........................................................................................................................................ 71
Restoring the Factory Default Settings........................................................................................................................71
Restoring Factory Default Environment Variables.............................................................................................. 72
Viewing the Reason for Last System Reboot.............................................................................................................72
Disabling Syslog Messages for SNMP Authentication Failure Events..................................................................72
Chapter 5: 802.1X........................................................................................................................73
Port-Authentication Process.......................................................................................................................................... 74
EAP over RADIUS........................................................................................................................................................75
Configuring 802.1X............................................................................................................................................................76
Important Points to Remember..................................................................................................................................... 76
Enabling 802.1X..................................................................................................................................................................76
Configuring Request Identity Re-Transmissions........................................................................................................ 77
Configuring a Quiet Period after a Failed Authentication.................................................................................. 77
Forcibly Authorizing or Unauthorizing a Port............................................................................................................. 77
Re-Authenticating a Port................................................................................................................................................ 78
4
Contents
Configuring Timeouts....................................................................................................................................................... 78
Configuring Dynamic VLAN Assignment with Port Authentication.......................................................................79
Guest and Authentication-Fail VLANs......................................................................................................................... 80
Configuring a Guest VLAN........................................................................................................................................80
Configuring an Authentication-Fail VLAN............................................................................................................. 80
Chapter 6: Access Control Lists (ACLs)....................................................................................... 81
IP Access Control Lists (ACLs)..................................................................................................................................... 82
CAM Usage................................................................................................................................................................... 82
Implementing ACLs on Dell EMC Networking OS............................................................................................... 83
Important Points to Remember..................................................................................................................................... 84
Configuration Task List for Route Maps................................................................................................................84
Configuring Match Routes........................................................................................................................................ 86
Configuring Set Conditions....................................................................................................................................... 87
Configure a Route Map for Route Redistribution................................................................................................88
Configure a Route Map for Route Tagging...........................................................................................................88
Continue Clause...........................................................................................................................................................88
IP Fragment Handling.......................................................................................................................................................89
IP Fragments ACL Examples.................................................................................................................................... 89
Layer 4 ACL Rules Examples.................................................................................................................................... 89
Configure a Standard IP ACL......................................................................................................................................... 90
Configuring a Standard IP ACL Filter...................................................................................................................... 91
Configure an Extended IP ACL...................................................................................................................................... 92
Configuring Filters with a Sequence Number.......................................................................................................92
Configuring Filters Without a Sequence Number................................................................................................93
Configure Layer 2 and Layer 3 ACLs............................................................................................................................93
Assign an IP ACL to an Interface.................................................................................................................................. 94
Applying an IP ACL............................................................................................................................................................94
Counting ACL Hits...................................................................................................................................................... 95
Configure Ingress ACLs................................................................................................................................................... 95
Configure Egress ACLs....................................................................................................................................................95
Applying Egress Layer 3 ACLs (Control-Plane)................................................................................................... 95
IP Prefix Lists..................................................................................................................................................................... 96
Configuration Task List for Prefix Lists................................................................................................................. 96
ACL Remarks......................................................................................................................................................................99
Configuring a Remark............................................................................................................................................... 100
Deleting a Remark..................................................................................................................................................... 100
ACL Resequencing........................................................................................................................................................... 101
Resequencing an ACL or Prefix List...................................................................................................................... 101
Route Maps.......................................................................................................................................................................102
Flow-Based Monitoring.................................................................................................................................................. 102
Enabling Flow-Based Monitoring........................................................................................................................... 104
Configuring IP Mirror Access Group........................................................................................................................... 104
Sample Configuration............................................................................................................................................... 105
Example of viewing IP mirror–access–group applied to an Interface.......................................................... 105
Chapter 7: Bidirectional Forwarding Detection (BFD)................................................................ 106
How BFD Works...............................................................................................................................................................106
BFD Packet Format................................................................................................................................................... 107
Contents
5
BFD Sessions.............................................................................................................................................................. 108
BFD Three-Way Handshake.................................................................................................................................... 109
Session State Changes............................................................................................................................................. 110
Important Points to Remember.................................................................................................................................... 110
Configure BFD...................................................................................................................................................................110
Configure BFD for Physical Ports........................................................................................................................... 111
Configure BFD for Static Routes............................................................................................................................112
Configure BFD for IPv6 Static Routes.................................................................................................................. 115
Configure BFD for OSPF.......................................................................................................................................... 117
Configure BFD for OSPFv3......................................................................................................................................121
Configure BFD for IS-IS........................................................................................................................................... 124
Configure BFD for BGP............................................................................................................................................126
Configure BFD for VRRP......................................................................................................................................... 132
Configuring Protocol Liveness................................................................................................................................134
Chapter 8: Border Gateway Protocol (BGP)............................................................................... 135
BGP IP version 4 (BGPv4) Overview......................................................................................................................... 135
BGP Autonomous Systems......................................................................................................................................135
AS4 Number Representation...................................................................................................................................137
Four-Byte AS Numbers............................................................................................................................................ 139
BGP router ID............................................................................................................................................................. 139
Sessions and Peers....................................................................................................................................................139
Establish a Session.................................................................................................................................................... 139
BGP Attributes for selecting Best Path............................................................................................................... 140
Multiprotocol BGP..................................................................................................................................................... 145
BGP global and address family configuration......................................................................................................146
Implement BGP with Dell EMC Networking OS................................................................................................. 147
Configuration Information........................................................................................................................................150
Basic BGP configuration tasks..................................................................................................................................... 150
Prerequisite for configuring a BGP network.......................................................................................................150
Restrictions.................................................................................................................................................................. 151
Enabling BGP............................................................................................................................................................... 151
Enabling four-byte autonomous system numbers............................................................................................. 153
Changing a BGP router ID....................................................................................................................................... 153
Configuring AS4 Number Representations..........................................................................................................154
Configuring a BGP peer........................................................................................................................................... 155
Example-Configuring BGP routing between peers............................................................................................156
BGP peer group..........................................................................................................................................................157
Advanced BGP configuration tasks.............................................................................................................................162
Route-refresh and Soft-reconfiguration.............................................................................................................. 162
Aggregating Routes...................................................................................................................................................164
Filtering BGP...............................................................................................................................................................166
Configuring BGP Fast Fall-Over..............................................................................................................................171
Configuring Passive Peering....................................................................................................................................173
Enabling Graceful Restart........................................................................................................................................ 174
Redistributing Routes................................................................................................................................................174
Enabling Additional Paths.........................................................................................................................................175
Configuring IP Community Lists............................................................................................................................. 176
Configuring an IP Extended Community List.......................................................................................................177
Configure BGP attributes........................................................................................................................................ 178
6
Contents
Enabling Multipath......................................................................................................................................................181
Route Reflectors........................................................................................................................................................ 182
Enabling Route Flap Dampening.............................................................................................................................183
Changing BGP keepalive and hold timers............................................................................................................ 185
Setting the extended timer..................................................................................................................................... 186
Enabling or disabling BGP neighbors.....................................................................................................................186
Route Map Continue................................................................................................................................................. 188
Configuring BGP Confederations...........................................................................................................................188
Configuring a BGP VRF address family................................................................................................................ 189
Maintaining Existing AS Numbers During an AS Migration............................................................................. 190
Allowing an AS Number to Appear in its Own AS Path.....................................................................................191
Enabling MBGP Configurations...............................................................................................................................191
MBGP support for IPv6............................................................................................................................................192
Configuring IPv6 MBGP between peers.............................................................................................................. 192
Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 193
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor................................... 195
BGP Regular Expression Optimization..................................................................................................................196
Debugging BGP.......................................................................................................................................................... 196
Chapter 9: Content Addressable Memory (CAM)........................................................................199
CAM Allocation.................................................................................................................................................................199
Test CAM Usage..............................................................................................................................................................201
View CAM Profiles...........................................................................................................................................................201
View CAM-ACL Settings............................................................................................................................................... 201
View CAM Usage............................................................................................................................................................ 202
Configuring CAM Threshold and Silence Period..................................................................................................... 202
CAM Optimization.......................................................................................................................................................... 203
Troubleshoot CAM Profiling.........................................................................................................................................204
QoS CAM Region Limitation...................................................................................................................................204
Syslog Error When the Table is Full......................................................................................................................204
Syslog Warning Upon 90 Percent Utilization of CAM..................................................................................... 205
Syslog Warning for Discrepancies Between Configured Extended Prefixes..............................................205
Unified Forwarding Table (UFT) Modes....................................................................................................................205
Configuring UFT Modes.......................................................................................................................................... 205
Chapter 10: Control Plane Policing (CoPP)................................................................................206
Configure Control Plane Policing................................................................................................................................ 207
Configuring CoPP for Protocols............................................................................................................................207
Configuring CoPP for CPU Queues......................................................................................................................209
Displaying CoPP Configuration ............................................................................................................................. 210
Chapter 11: Data Center Bridging (DCB)..................................................................................... 211
Ethernet Enhancements in Data Center Bridging.................................................................................................... 211
Priority-Based Flow Control.................................................................................................................................... 212
Enhanced Transmission Selection..........................................................................................................................213
Data Center Bridging Exchange Protocol (DCBx).............................................................................................214
Data Center Bridging in a Traffic Flow................................................................................................................. 214
Enabling Data Center Bridging..................................................................................................................................... 215
DCB Maps and its Attributes.................................................................................................................................. 215
Contents
7
Data Center Bridging: Default Configuration............................................................................................................216
Configuring Priority-Based Flow Control...................................................................................................................216
Configuring Lossless Queues.................................................................................................................................. 217
Configuring PFC in a DCB Map....................................................................................................................................218
Applying a DCB Map on a Port.....................................................................................................................................219
Configuring PFC without a DCB Map.........................................................................................................................219
Priority-Based Flow Control Using Dynamic Buffer Method................................................................................ 221
Behavior of Tagged Packets........................................................................................................................................ 222
Configuration Example for DSCP and PFC Priorities.............................................................................................222
SNMP Support for PFC and Buffer Statistics Tracking........................................................................................223
Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................224
PFC and ETS Configuration Examples.......................................................................................................................225
Using PFC to Manage Converged Ethernet Traffic...............................................................................................225
Operations on Untagged Packets...............................................................................................................................225
Generation of PFC for a Priority for Untagged Packets.......................................................................................226
Configure Enhanced Transmission Selection........................................................................................................... 226
ETS Prerequisites and Restrictions...................................................................................................................... 226
Creating an ETS Priority Group............................................................................................................................. 226
ETS Operation with DCBx.......................................................................................................................................227
Configuring Bandwidth Allocation for DCBx CIN.............................................................................................. 227
Configuring ETS in a DCB Map..............................................................................................................................228
Hierarchical Scheduling in ETS Output Policies...................................................................................................... 229
Using ETS to Manage Converged Ethernet Traffic............................................................................................... 230
Applying DCB Policies in a Switch Stack.................................................................................................................. 230
Configure a DCBx Operation........................................................................................................................................230
DCBx Operation.........................................................................................................................................................230
DCBx Port Roles........................................................................................................................................................ 231
DCB Configuration Exchange.................................................................................................................................232
Configuration Source Election............................................................................................................................... 232
Propagation of DCB Information........................................................................................................................... 233
Auto-Detection and Manual Configuration of the DCBx Version..................................................................233
DCBx Example............................................................................................................................................................233
DCBx Prerequisites and Restrictions................................................................................................................... 234
Configuring DCBx......................................................................................................................................................234
Verifying the DCB Configuration.................................................................................................................................237
QoS dot1p Traffic Classification and Queue Assignment.......................................................................................241
Configuring the Dynamic Buffer Method..................................................................................................................242
Sample DCB Configuration........................................................................................................................................... 243
Chapter 12: Dynamic Host Configuration Protocol (DHCP)........................................................ 245
DHCP Packet Format and Options.............................................................................................................................245
Assign an IP Address using DHCP.............................................................................................................................. 246
Implementation Information..........................................................................................................................................247
Configure the System to be a DHCP Server............................................................................................................248
Configuring the Server for Automatic Address Allocation..............................................................................248
Specifying a Default Gateway................................................................................................................................249
Configure a Method of Hostname Resolution....................................................................................................249
Using DNS for Address Resolution....................................................................................................................... 249
Using NetBIOS WINS for Address Resolution................................................................................................... 250
Creating Manual Binding Entries...........................................................................................................................250
8
Contents
Debugging the DHCP Server................................................................................................................................. 250
Using DHCP Clear Commands................................................................................................................................251
Configure the System to be a DHCP Client..............................................................................................................251
Configuring the DHCP Client System...................................................................................................................251
DHCP Client on a Management Interface...........................................................................................................252
DHCP Client Operation with Other Features.....................................................................................................253
DHCP Relay When DHCP Server and Client are in Different VRFs................................................................... 253
Configuring Route Leaking between VRFs on DHCP Relay Agent...............................................................254
Non-default VRF configuration for DHCPv6 helper address...............................................................................255
Configuring DHCP relay source interface.................................................................................................................255
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................255
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................256
Configure the System for User Port Stacking (Option 230)............................................................................... 257
Configure Secure DHCP................................................................................................................................................257
Option 82 (DHCPv4 relay options).......................................................................................................................257
DHCPv6 relay agent options..................................................................................................................................258
DHCP Snooping.........................................................................................................................................................258
Drop DHCP Packets on Snooped VLANs Only...................................................................................................261
Dynamic ARP Inspection......................................................................................................................................... 262
Configuring Dynamic ARP Inspection...................................................................................................................262
Source Address Validation............................................................................................................................................ 263
Enabling IP Source Address Validation................................................................................................................ 263
DHCP MAC Source Address Validation............................................................................................................... 264
Enabling IP+MAC Source Address Validation.................................................................................................... 264
Viewing the Number of SAV Dropped Packets................................................................................................. 265
Clearing the Number of SAV Dropped Packets.................................................................................................265
Chapter 13: Equal Cost Multi-Path (ECMP)............................................................................... 266
ECMP for Flow-Based Affinity.................................................................................................................................... 266
Configuring the Hash Algorithm............................................................................................................................ 266
Enabling Deterministic ECMP Next Hop............................................................................................................. 266
Configuring the Hash Algorithm Seed..................................................................................................................267
Link Bundle Monitoring.................................................................................................................................................. 267
Managing ECMP Group Paths............................................................................................................................... 267
Creating an ECMP Group Bundle..........................................................................................................................268
Modifying the ECMP Group Threshold................................................................................................................268
.......................................................................................................................................................................................268
Support for ECMP in host table............................................................................................................................268
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ....................................................................269
Chapter 14: FIP Snooping.......................................................................................................... 270
Fibre Channel over Ethernet........................................................................................................................................ 270
Ensure Robustness in a Converged Ethernet Network.........................................................................................270
FIP Snooping on Ethernet Bridges.............................................................................................................................. 271
FIP Snooping in a Switch Stack...................................................................................................................................273
Using FIP Snooping.........................................................................................................................................................273
FIP Snooping Prerequisites..................................................................................................................................... 273
Important Points to Remember............................................................................................................................. 273
Enabling the FCoE Transit Feature.......................................................................................................................274
Contents
9
Enable FIP Snooping on VLANs............................................................................................................................. 274
Configure the FC-MAP Value................................................................................................................................ 275
Configure a Port for a Bridge-to-Bridge Link.....................................................................................................275
Configure a Port for a Bridge-to-FCF Link.........................................................................................................275
Impact on Other Software Features.................................................................................................................... 275
FIP Snooping Restrictions.......................................................................................................................................275
Configuring FIP Snooping........................................................................................................................................276
Displaying FIP Snooping Information..........................................................................................................................276
FCoE Transit Configuration Example......................................................................................................................... 280
Chapter 15: Flex Hash and Optimized Boot-Up...........................................................................282
Flex Hash Capability Overview.................................................................................................................................... 282
Configuring the Flex Hash Mechanism...................................................................................................................... 282
Configuring Fast Boot and LACP Fast Switchover................................................................................................ 283
Optimizing the Boot Time............................................................................................................................................. 283
Interoperation of Applications with Fast Boot and System States.....................................................................284
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................. 287
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces................................................................................. 287
Chapter 16: Force10 Resilient Ring Protocol (FRRP)................................................................. 289
Protocol Overview..........................................................................................................................................................289
Ring Status................................................................................................................................................................. 290
Multiple FRRP Rings.................................................................................................................................................290
Important FRRP Points............................................................................................................................................ 291
Important FRRP Concepts......................................................................................................................................292
Implementing FRRP........................................................................................................................................................292
FRRP Configuration....................................................................................................................................................... 293
Creating the FRRP Group....................................................................................................................................... 293
Configuring the Control VLAN...............................................................................................................................293
Configuring and Adding the Member VLANs..................................................................................................... 294
Setting the FRRP Timers........................................................................................................................................ 295
Clearing the FRRP Counters.................................................................................................................................. 295
Viewing the FRRP Configuration.......................................................................................................................... 295
Viewing the FRRP Information.............................................................................................................................. 295
Troubleshooting FRRP...................................................................................................................................................296
Sample Configuration and Topology.......................................................................................................................... 296
FRRP Support on VLT................................................................................................................................................... 296
Chapter 17: GARP VLAN Registration Protocol (GVRP)............................................................. 299
Configure GVRP..............................................................................................................................................................300
Enabling GVRP Globally.................................................................................................................................................300
Enabling GVRP on a Layer 2 Interface....................................................................................................................... 301
Configure GVRP Registration.......................................................................................................................................301
Configure a GARP Timer................................................................................................................................................301
Chapter 18: Internet Group Management Protocol (IGMP)........................................................ 303
IGMP Protocol Overview.............................................................................................................................................. 303
IGMP Version 2..........................................................................................................................................................303
IGMP Version 3......................................................................................................................................................... 305
10
Contents
Configure IGMP...............................................................................................................................................................307
Viewing IGMP Enabled Interfaces.............................................................................................................................. 308
Selecting an IGMP Version...........................................................................................................................................308
Viewing IGMP Groups....................................................................................................................................................308
Adjusting Timers..............................................................................................................................................................309
Adjusting Query and Response Timers................................................................................................................ 309
Enabling IGMP Immediate-Leave.................................................................................................................................310
IGMP Snooping................................................................................................................................................................ 310
Configuring IGMP Snooping....................................................................................................................................310
Removing a Group-Port Association......................................................................................................................311
Disabling Multicast Flooding.....................................................................................................................................311
Specifying a Port as Connected to a Multicast Router.....................................................................................311
Configuring the Switch as Querier........................................................................................................................ 312
Fast Convergence after MSTP Topology Changes.................................................................................................312
Egress Interface Selection (EIS) for HTTP and IGMP Applications....................................................................312
Designating a Multicast Router Interface..................................................................................................................319
Chapter 19: Interfaces............................................................................................................... 320
Interface Types................................................................................................................................................................ 321
View Basic Interface Information.................................................................................................................................321
Resetting an Interface to its Factory Default State...............................................................................................322
Enabling a Physical Interface....................................................................................................................................... 322
Physical Interfaces..........................................................................................................................................................322
Configuration Task List for Physical Interfaces.................................................................................................323
40G to 1G Breakout Cable Adaptor...................................................................................................................... 323
Overview of Layer Modes....................................................................................................................................... 323
Configuring Layer 2 (Data Link) Mode................................................................................................................ 324
Configuring Layer 2 (Interface) Mode................................................................................................................. 324
Configuring Layer 3 (Network) Mode..................................................................................................................324
Configuring Layer 3 (Interface) Mode.................................................................................................................325
Automatic recovery of an Err-disabled interface....................................................................................................325
Configuring an automatic recovery for an Err-disabled interface.................................................................326
Egress Interface Selection (EIS).................................................................................................................................326
Configuring EIS.......................................................................................................................................................... 327
Management Interfaces.................................................................................................................................................327
Configuring Management Interfaces....................................................................................................................327
Configuring a Management Interface on an Ethernet Port............................................................................328
VLAN Interfaces..............................................................................................................................................................328
Loopback Interfaces.......................................................................................................................................................328
Null Interfaces..................................................................................................................................................................329
Port Channel Interfaces................................................................................................................................................ 329
Port Channel Definition and Standards............................................................................................................... 329
Port Channel Benefits..............................................................................................................................................329
Port Channel Implementation.................................................................................................................................329
Interfaces in Port Channels.................................................................................................................................... 330
Configuration Tasks for Port Channel Interfaces............................................................................................. 330
Creating a Port Channel...........................................................................................................................................331
Adding a Physical Interface to a Port Channel................................................................................................... 331
Reassigning an Interface to a New Port Channel............................................................................................. 332
Configuring the Minimum Oper Up Links in a Port Channel...........................................................................332
Contents
11
Adding or Removing a Port Channel from a VLAN........................................................................................... 332
Assigning an IP Address to a Port Channel........................................................................................................ 333
Deleting or Disabling a Port Channel.................................................................................................................... 333
Load Balancing Through Port Channels.............................................................................................................. 334
Changing the Hash Algorithm................................................................................................................................ 334
Bulk Configuration.......................................................................................................................................................... 334
Interface Range......................................................................................................................................................... 334
Bulk Configuration Examples..................................................................................................................................335
Defining Interface Range Macros............................................................................................................................... 336
Define the Interface Range.....................................................................................................................................337
Choosing an Interface-Range Macro....................................................................................................................337
Monitoring and Maintaining Interfaces...................................................................................................................... 337
Maintenance Using TDR.......................................................................................................................................... 337
Non Dell-Qualified Transceivers.................................................................................................................................. 338
Splitting 40G Ports without Reload............................................................................................................................338
Splitting QSFP Ports to SFP+ Ports..........................................................................................................................339
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.............................................................................. 340
Link Dampening................................................................................................................................................................ 341
Enabling Link Dampening.........................................................................................................................................344
Link Bundle Monitoring.................................................................................................................................................. 344
Using Ethernet Pause Frames for Flow Control......................................................................................................345
Enabling Pause Frames............................................................................................................................................346
Configure the MTU Size on an Interface.................................................................................................................. 346
Port-Pipes.........................................................................................................................................................................347
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 347
Setting the Speed of Ethernet Interfaces...........................................................................................................347
Set Auto-Negotiation Options............................................................................................................................... 348
View Advanced Interface Information....................................................................................................................... 348
Configuring the Interface Sampling Size.............................................................................................................349
Configuring the Traffic Sampling Size Globally....................................................................................................... 349
Dynamic Counters.......................................................................................................................................................... 350
Clearing Interface Counters.................................................................................................................................... 351
Compressing Configuration Files................................................................................................................................. 351
Discard Counters............................................................................................................................................................ 352
Display discard counters..........................................................................................................................................352
Chapter 20: IPv4 Routing.......................................................................................................... 353
IP Addresses.....................................................................................................................................................................354
Configuration Tasks for IP Addresses........................................................................................................................354
Assigning IP Addresses to an Interface.....................................................................................................................354
Configuring Static Routes............................................................................................................................................ 355
Adding description for IPv4 and IPv6 static routes..........................................................................................355
Configure Static Routes for the Management Interface...................................................................................... 356
IPv4 Path MTU Discovery Overview......................................................................................................................... 356
Using the Configured Source IP Address in ICMP Messages.............................................................................. 357
Configuring the Duration to Establish a TCP Connection.................................................................................... 358
Enabling Directed Broadcast........................................................................................................................................358
Resolution of Host Names............................................................................................................................................ 358
Enabling Dynamic Resolution of Host Names.......................................................................................................... 358
Specifying the Local System Domain and a List of Domains............................................................................... 359
12
Contents
Configuring DNS with Traceroute.............................................................................................................................. 359
ARP.................................................................................................................................................................................... 360
Configuration Tasks for ARP....................................................................................................................................... 360
Configuring Static ARP Entries................................................................................................................................... 360
Enabling Proxy ARP........................................................................................................................................................ 361
Clearing ARP Cache........................................................................................................................................................361
ARP Learning via Gratuitous ARP............................................................................................................................... 361
Enabling ARP Learning via Gratuitous ARP..............................................................................................................362
ARP Learning via ARP Request...................................................................................................................................362
Configuring ARP Retries............................................................................................................................................... 363
ICMP.................................................................................................................................................................................. 363
Configuration Tasks for ICMP..................................................................................................................................... 363
Enabling ICMP Unreachable Messages..................................................................................................................... 363
ICMP Redirects............................................................................................................................................................... 364
UDP Helper.......................................................................................................................................................................365
Enabling UDP Helper......................................................................................................................................................365
Configurations Using UDP Helper...............................................................................................................................365
UDP Helper with Broadcast-All Addresses...............................................................................................................365
UDP Helper with Subnet Broadcast Addresses...................................................................................................... 366
UDP Helper with Configured Broadcast Addresses............................................................................................... 366
UDP Helper with No Configured Broadcast Addresses.........................................................................................367
Troubleshooting UDP Helper........................................................................................................................................367
Chapter 21: IPv6 Routing...........................................................................................................368
Protocol Overview..........................................................................................................................................................368
Extended Address Space........................................................................................................................................ 368
Stateless Autoconfiguration................................................................................................................................... 368
IPv6 Headers..............................................................................................................................................................369
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support.............................................................. 369
IPv6 Header Fields.................................................................................................................................................... 370
Extension Header Fields........................................................................................................................................... 371
Addressing...................................................................................................................................................................372
Implementing IPv6 with Dell EMC Networking OS.................................................................................................373
ICMPv6..............................................................................................................................................................................373
Path MTU discovery.......................................................................................................................................................373
IPv6 Neighbor Discovery...............................................................................................................................................374
IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 375
Configuring the IPv6 Recursive DNS Server......................................................................................................375
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 376
Displaying IPv6 RDNSS Information..................................................................................................................... 376
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................376
Configuration Tasks for IPv6....................................................................................................................................... 376
Adjusting Your CAM-Profile....................................................................................................................................376
Assigning an IPv6 Address to an Interface......................................................................................................... 377
Assigning a Static IPv6 Route................................................................................................................................ 377
Configuring Telnet with IPv6..................................................................................................................................378
SNMP over IPv6........................................................................................................................................................378
Displaying IPv6 Information.................................................................................................................................... 378
Displaying an IPv6 Interface Information.............................................................................................................379
Showing IPv6 Routes...............................................................................................................................................380
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Showing the Running-Configuration for an Interface......................................................................................380
Clearing IPv6 Routes................................................................................................................................................380
Disabling ND Entry Timeout.................................................................................................................................... 381
Configuring IPv6 RA Guard........................................................................................................................................... 381
Configuring IPv6 RA Guard on an Interface....................................................................................................... 382
Monitoring IPv6 RA Guard...................................................................................................................................... 383
Chapter 22: iSCSI Optimization................................................................................................. 384
iSCSI Optimization Overview....................................................................................................................................... 384
Monitoring iSCSI Traffic Flows..............................................................................................................................385
Application of Quality of Service to iSCSI Traffic Flows.................................................................................386
Information Monitored in iSCSI Traffic Flows....................................................................................................386
Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................387
Configuring Detection and Ports for Dell Compellent Arrays.........................................................................387
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer...........................................................387
Enable and Disable iSCSI Optimization................................................................................................................ 388
Default iSCSI Optimization Values..............................................................................................................................388
iSCSI Optimization Prerequisites................................................................................................................................ 389
Configuring iSCSI Optimization................................................................................................................................... 389
Displaying iSCSI Optimization Information................................................................................................................ 391
Chapter 23: Intermediate System to Intermediate System.........................................................393
IS-IS Protocol Overview................................................................................................................................................393
IS-IS Addressing.............................................................................................................................................................. 393
Multi-Topology IS-IS...................................................................................................................................................... 394
Transition Mode.........................................................................................................................................................394
Interface Support......................................................................................................................................................394
Adjacencies.................................................................................................................................................................394
Graceful Restart..............................................................................................................................................................395
Timers.......................................................................................................................................................................... 395
Implementation Information......................................................................................................................................... 395
Configuration Information.............................................................................................................................................396
Configuration Tasks for IS-IS.................................................................................................................................396
Configuring the Distance of a Route....................................................................................................................402
Changing the IS-Type.............................................................................................................................................. 402
Redistributing IPv4 Routes..................................................................................................................................... 404
Redistributing IPv6 Routes.....................................................................................................................................405
Configuring Authentication Passwords............................................................................................................... 405
Setting the Overload Bit......................................................................................................................................... 406
Debugging IS-IS.........................................................................................................................................................406
IS-IS Metric Styles..........................................................................................................................................................407
Configure Metric Values................................................................................................................................................407
Maximum Values in the Routing Table.................................................................................................................408
Change the IS-IS Metric Style in One Level Only............................................................................................. 408
Leaks from One Level to Another.........................................................................................................................409
Sample Configurations................................................................................................................................................... 410
Chapter 24: Link Aggregation Control Protocol (LACP)..............................................................412
Introduction to Dynamic LAGs and LACP..................................................................................................................412
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Important Points to Remember..............................................................................................................................412
LACP Modes............................................................................................................................................................... 413
Configuring LACP Commands................................................................................................................................ 413
LACP Configuration Tasks.............................................................................................................................................413
Creating a LAG........................................................................................................................................................... 414
Configuring the LAG Interfaces as Dynamic....................................................................................................... 414
Setting the LACP Long Timeout............................................................................................................................ 414
Monitoring and Debugging LACP...........................................................................................................................414
Shared LAG State Tracking.......................................................................................................................................... 415
Configuring Shared LAG State Tracking..............................................................................................................415
Important Points about Shared LAG State Tracking........................................................................................ 416
LACP Basic Configuration Example.............................................................................................................................417
Configure a LAG on ALPHA.....................................................................................................................................417
Chapter 25: Layer 2................................................................................................................... 424
Manage the MAC Address Table.................................................................................................................................424
Clearing the MAC Address Table.......................................................................................................................... 424
Setting the Aging Time for Dynamic Entries...................................................................................................... 424
Configuring a Static MAC Address.......................................................................................................................425
Displaying the MAC Address Table.......................................................................................................................425
MAC Learning Limit........................................................................................................................................................425
Setting the MAC Learning Limit............................................................................................................................ 426
mac learning-limit Dynamic.....................................................................................................................................426
mac learning-limit mac-address-sticky................................................................................................................ 426
mac learning-limit station-move............................................................................................................................ 426
mac learning-limit no-station-move......................................................................................................................427
Learning Limit Violation Actions.............................................................................................................................427
Setting Station Move Violation Actions...............................................................................................................427
Recovering from Learning Limit and Station Move Violations.......................................................................428
Enabling port security.............................................................................................................................................. 428
NIC Teaming.....................................................................................................................................................................428
Configure Redundant Pairs...........................................................................................................................................429
Far-End Failure Detection..............................................................................................................................................431
FEFD State Changes.................................................................................................................................................431
Configuring FEFD......................................................................................................................................................432
Enabling FEFD on an Interface.............................................................................................................................. 433
Debugging FEFD........................................................................................................................................................433
Chapter 26: Link Layer Discovery Protocol (LLDP).................................................................... 434
802.1AB (LLDP) Overview............................................................................................................................................434
Protocol Data Units.................................................................................................................................................. 434
Optional TLVs.................................................................................................................................................................. 436
Management TLVs....................................................................................................................................................436
TIA-1057 (LLDP-MED) Overview................................................................................................................................437
TIA Organizationally Specific TLVs....................................................................................................................... 438
Configure LLDP................................................................................................................................................................441
CONFIGURATION versus INTERFACE Configurations......................................................................................... 442
Enabling LLDP..................................................................................................................................................................442
Disabling and Undoing LLDP...................................................................................................................................442
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Enabling LLDP on Management Ports....................................................................................................................... 442
Disabling and Undoing LLDP on Management Ports........................................................................................442
Advertising TLVs............................................................................................................................................................. 443
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 444
Viewing the LLDP Configuration.................................................................................................................................445
Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................445
Examples of Viewing Information Advertised by Neighbors...........................................................................445
Configuring LLDPDU Intervals.....................................................................................................................................448
Configuring LLDP Notification Interval......................................................................................................................448
Configuring LLDP Notification Interval......................................................................................................................449
Configuring Transmit and Receive Mode..................................................................................................................449
Configuring the Time to Live Value............................................................................................................................450
Debugging LLDP............................................................................................................................................................. 450
Relevant Management Objects....................................................................................................................................451
Chapter 27: Microsoft Network Load Balancing......................................................................... 456
Configuring a Switch for NLB .....................................................................................................................................457
Enabling a Switch for Multicast NLB................................................................................................................... 458
Chapter 28: Multicast Source Discovery Protocol (MSDP)........................................................ 459
Anycast RP.......................................................................................................................................................................460
Implementation Information.......................................................................................................................................... 461
Configure Multicast Source Discovery Protocol......................................................................................................461
Related Configuration Tasks................................................................................................................................... 461
Enable MSDP................................................................................................................................................................... 465
Manage the Source-Active Cache..............................................................................................................................466
Viewing the Source-Active Cache........................................................................................................................ 466
Limiting the Source-Active Cache........................................................................................................................466
Clearing the Source-Active Cache....................................................................................................................... 466
Enabling the Rejected Source-Active Cache..................................................................................................... 467
Accept Source-Active Messages that Fail the RFP Check.................................................................................. 467
Specifying Source-Active Messages..........................................................................................................................470
Limiting the Source-Active Messages from a Peer.................................................................................................471
Preventing MSDP from Caching a Local Source..................................................................................................... 471
Preventing MSDP from Caching a Remote Source................................................................................................472
Preventing MSDP from Advertising a Local Source...............................................................................................472
Logging Changes in Peership States..........................................................................................................................473
Terminating a Peership.................................................................................................................................................. 473
Clearing Peer Statistics................................................................................................................................................. 473
Debugging MSDP............................................................................................................................................................ 474
MSDP with Anycast RP.................................................................................................................................................474
Configuring Anycast RP................................................................................................................................................ 475
Reducing Source-Active Message Flooding....................................................................................................... 476
Specifying the RP Address Used in SA Messages............................................................................................ 476
MSDP Sample Configurations......................................................................................................................................476
Chapter 29: Multicast Listener Discovery Protocol.................................................................... 477
MLD timers.......................................................................................................................................................................480
Reducing Host Response Burstiness....................................................................................................................480
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Configuring MLD Version...............................................................................................................................................481
Clearing MLD groups...................................................................................................................................................... 481
Debugging MLD................................................................................................................................................................481
Explicit Tracking...............................................................................................................................................................481
Reducing Leave Latency................................................................................................................................................481
Displaying MLD groups table........................................................................................................................................482
Displaying MLD Interfaces............................................................................................................................................ 482
Chapter 30: Multiple Spanning Tree Protocol (MSTP)............................................................... 483
Spanning Tree Variations.............................................................................................................................................. 484
Implementation Information....................................................................................................................................484
Configure Multiple Spanning Tree Protocol............................................................................................................. 484
Related Configuration Tasks.................................................................................................................................. 484
Enable Multiple Spanning Tree Globally.................................................................................................................... 485
Adding and Removing Interfaces................................................................................................................................ 485
Creating Multiple Spanning Tree Instances..............................................................................................................485
Influencing MSTP Root Selection............................................................................................................................... 486
Interoperate with Non-Dell Bridges............................................................................................................................486
Changing the Region Name or Revision.................................................................................................................... 487
Modifying Global Parameters....................................................................................................................................... 487
Modifying the Interface Parameters.......................................................................................................................... 488
Setting STP path cost as constant............................................................................................................................ 489
Configuring an EdgePort...............................................................................................................................................489
Flush MAC Addresses after a Topology Change.....................................................................................................490
MSTP Sample Configurations......................................................................................................................................490
Debugging and Verifying MSTP Configurations.......................................................................................................491
Chapter 31: Multicast Features..................................................................................................493
Enabling IP Multicast......................................................................................................................................................493
Implementation Information......................................................................................................................................... 493
Multicast Policies............................................................................................................................................................ 494
IPv4 Multicast Policies.............................................................................................................................................494
Understanding Multicast Traceroute (mtrace)........................................................................................................501
Printing Multicast Traceroute (mtrace) Paths.........................................................................................................501
Supported Error Codes................................................................................................................................................. 503
mtrace Scenarios............................................................................................................................................................ 504
Chapter 32: Multicast Listener Discovery Protocol.................................................................... 510
MLD timers........................................................................................................................................................................513
Reducing Host Response Burstiness.................................................................................................................... 513
Clearing MLD groups...................................................................................................................................................... 514
Debugging MLD................................................................................................................................................................514
Explicit Tracking...............................................................................................................................................................514
Reducing Leave Latency................................................................................................................................................514
Displaying MLD groups table........................................................................................................................................ 514
Displaying MLD Interfaces.............................................................................................................................................515
MLD Snooping..................................................................................................................................................................515
Enable MLD Snooping.............................................................................................................................................. 515
Disable MLD Snooping..............................................................................................................................................515
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Configure the switch as a querier..........................................................................................................................516
Specify port as connected to multicast router.................................................................................................. 516
Enable Snooping Explicit Tracking.........................................................................................................................516
Display the MLD Snooping Table........................................................................................................................... 516
Chapter 33: Object Tracking...................................................................................................... 517
Object Tracking Overview............................................................................................................................................. 517
Track Layer 2 Interfaces.......................................................................................................................................... 518
Track Layer 3 Interfaces.......................................................................................................................................... 518
Track IPv4 and IPv6 Routes....................................................................................................................................518
Set Tracking Delays...................................................................................................................................................519
VRRP Object Tracking.............................................................................................................................................520
Object Tracking Configuration.................................................................................................................................... 520
Tracking a Layer 2 Interface.................................................................................................................................. 520
Tracking a Layer 3 Interface................................................................................................................................... 521
Track an IPv4/IPv6 Route.......................................................................................................................................521
Displaying Tracked Objects.......................................................................................................................................... 525
Chapter 34: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 526
Protocol Overview..........................................................................................................................................................526
Autonomous System (AS) Areas...........................................................................................................................526
Area Types.................................................................................................................................................................. 527
Networks and Neighbors.........................................................................................................................................528
Router Types..............................................................................................................................................................528
Designated and Backup Designated Routers..................................................................................................... 529
Link-State Advertisements (LSAs).......................................................................................................................529
Router Priority and Cost......................................................................................................................................... 530
OSPF with Dell EMC Networking OS......................................................................................................................... 531
Graceful Restart.........................................................................................................................................................531
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 532
Multi-Process OSPFv2 with VRF..........................................................................................................................533
RFC-2328 Compliant OSPF Flooding...................................................................................................................533
OSPF ACK Packing...................................................................................................................................................534
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 534
Configuration Information.............................................................................................................................................534
Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................534
OSPFv3 NSSA................................................................................................................................................................. 545
Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................... 545
Enabling IPv6 Unicast Routing...............................................................................................................................546
Applying cost for OSPFv3...................................................................................................................................... 546
Assigning IPv6 Addresses on an Interface..........................................................................................................546
Assigning Area ID on an Interface......................................................................................................................... 547
Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................547
Assigning OSPFv3 Process ID and Router ID to a VRF................................................................................... 547
Configuring Stub Areas........................................................................................................................................... 548
Configuring Passive-Interface............................................................................................................................... 548
Redistributing Routes...............................................................................................................................................548
Configuring a Default Route...................................................................................................................................549
Enabling OSPFv3 Graceful Restart...................................................................................................................... 549
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OSPFv3 Authentication Using IPsec.....................................................................................................................551
Troubleshooting OSPFv3........................................................................................................................................ 556
MIB Support for OSPFv3..............................................................................................................................................556
Viewing the OSPFv3 MIB........................................................................................................................................557
Chapter 35: Policy-based Routing (PBR).................................................................................. 558
Overview...........................................................................................................................................................................558
Implementing PBR.......................................................................................................................................................... 559
Configuration Task List for Policy-based Routing.................................................................................................. 559
Create a Redirect List..............................................................................................................................................560
Create a Rule for a Redirect-list........................................................................................................................... 560
Apply a Redirect-list to an Interface using a Redirect-group......................................................................... 561
Sample Configuration.....................................................................................................................................................562
Chapter 36: PIM Sparse-Mode (PIM-SM)..................................................................................566
Implementation Information......................................................................................................................................... 566
Protocol Overview..........................................................................................................................................................566
Requesting Multicast Traffic..................................................................................................................................566
Refuse Multicast Traffic..........................................................................................................................................567
Send Multicast Traffic............................................................................................................................................. 567
Configuring PIM-SM...................................................................................................................................................... 567
Related Configuration Tasks.................................................................................................................................. 568
Enable PIM-SM............................................................................................................................................................... 568
Configuring S,G Expiry Timers.....................................................................................................................................570
Configuring a Static Rendezvous Point.....................................................................................................................570
Overriding Bootstrap Router Updates.................................................................................................................. 571
Configuring a Designated Router.................................................................................................................................571
Creating Multicast Boundaries and Domains............................................................................................................573
Electing an RP using the BSR Mechanism................................................................................................................573
Chapter 37: PIM Source-Specific Mode (PIM-SSM).................................................................. 575
Implementation Information......................................................................................................................................... 575
Configure PIM-SSM....................................................................................................................................................... 575
Enabling PIM-SSM..........................................................................................................................................................576
Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 576
Electing an RP using the BSR Mechanism................................................................................................................577
Enabling RP to Server Specific Multicast Groups.............................................................................................579
Chapter 38: Port Monitoring..................................................................................................... 580
Important Points to Remember...................................................................................................................................580
Port Monitoring................................................................................................................................................................581
Configuring Port Monitoring......................................................................................................................................... 581
Configuring Monitor Multicast Queue....................................................................................................................... 582
Enabling Flow-Based Monitoring................................................................................................................................ 582
Remote Port Mirroring.................................................................................................................................................. 583
Remote Port Mirroring Example............................................................................................................................583
Configuring Remote Port Mirroring......................................................................................................................584
Displaying Remote-Port Mirroring Configurations............................................................................................585
Configuration procedure for Remote Port Mirroring....................................................................................... 586
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19
Encapsulated Remote Port Monitoring..................................................................................................................... 588
ERPM Behavior on a typical Dell EMC Networking OS ....................................................................................... 589
Port Monitoring on VLT................................................................................................................................................ 590
Chapter 39: Per-VLAN Spanning Tree Plus (PVST+)..................................................................593
Protocol Overview..........................................................................................................................................................593
Implementation Information......................................................................................................................................... 594
Configure Per-VLAN Spanning Tree Plus.................................................................................................................595
Enabling PVST+.............................................................................................................................................................. 595
Disabling PVST+..............................................................................................................................................................595
Influencing PVST+ Root Selection............................................................................................................................. 596
Modifying Global PVST+ Parameters.........................................................................................................................597
Modifying Interface PVST+ Parameters................................................................................................................... 597
Configuring an EdgePort...............................................................................................................................................598
PVST+ in Multi-Vendor Networks..............................................................................................................................599
Enabling PVST+ Extend System ID............................................................................................................................599
PVST+ Sample Configurations.................................................................................................................................... 600
Chapter 40: Quality of Service (QoS).........................................................................................601
Implementation Information......................................................................................................................................... 603
Port-Based QoS Configurations..................................................................................................................................603
Setting dot1p Priorities for Incoming Traffic......................................................................................................603
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................603
Configuring Port-Based Rate Policing................................................................................................................. 604
Configuring Port-Based Rate Shaping.................................................................................................................604
Policy-Based QoS Configurations...............................................................................................................................605
Classify Traffic...........................................................................................................................................................605
Dot1p to Queue Mapping Requirement................................................................................................................607
Create a QoS Policy................................................................................................................................................. 608
DSCP Color Maps......................................................................................................................................................610
Create Policy Maps................................................................................................................................................... 612
Enabling QoS Rate Adjustment.................................................................................................................................... 615
Enabling Strict-Priority Queueing................................................................................................................................615
Queue Classification Requirements for PFC Functionality....................................................................................616
Support for marking dot1p value in L3 Input Qos Policy........................................................................................616
Weighted Random Early Detection..............................................................................................................................617
Creating WRED Profiles........................................................................................................................................... 617
Applying a WRED Profile to Traffic....................................................................................................................... 618
Displaying Default and Configured WRED Profiles............................................................................................ 618
Displaying WRED Drop Statistics...........................................................................................................................618
Displaying egress–queue Statistics.......................................................................................................................618
Pre-Calculating Available QoS CAM Space...............................................................................................................618
Specifying Policy-Based Rate Shaping in Packets Per Second........................................................................... 619
Configuring Policy-Based Rate Shaping....................................................................................................................620
Configuring Weights and ECN for WRED ................................................................................................................620
Configuring WRED and ECN Attributes.................................................................................................................... 622
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................622
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..........................623
Classifying Incoming Packets Using ECN and Color-Marking........................................................................623
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