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Table Of Contents
Chapter 29: Intermediate System to Intermediate System........................................................ 404
IS-IS Protocol Overview................................................................................................................................................404
IS-IS Addressing..............................................................................................................................................................404
Multi-Topology IS-IS...................................................................................................................................................... 405
Transition Mode........................................................................................................................................................ 405
Interface Support......................................................................................................................................................406
Adjacencies.................................................................................................................................................................406
Graceful Restart..............................................................................................................................................................406
Timers.......................................................................................................................................................................... 406
Implementation Information......................................................................................................................................... 406
Configuration Information.............................................................................................................................................407
Configuration Tasks for IS-IS.................................................................................................................................407
IS-IS Metric Styles..........................................................................................................................................................420
Configure Metric Values................................................................................................................................................420
Maximum Values in the Routing Table.................................................................................................................420
Change the IS-IS Metric Style in One Level Only............................................................................................. 420
Leaks from One Level to Another......................................................................................................................... 422
Sample Configurations...................................................................................................................................................422
Chapter 30: Isolated Networks for Aggregators.........................................................................427
Configuring and Verifying Isolated Network Settings............................................................................................427
Chapter 31: Link Aggregation.....................................................................................................428
How the LACP is Implemented on an Aggregator.................................................................................................. 428
Uplink LAG.................................................................................................................................................................. 429
Server-Facing LAGs................................................................................................................................................. 429
LACP Modes...............................................................................................................................................................429
Auto-Configured LACP Timeout........................................................................................................................... 429
Link Aggregation Control Protocol (LACP)..............................................................................................................429
Configuration Tasks for Port Channel Interfaces............................................................................................. 429
Creating a Port Channel.......................................................................................................................................... 430
Adding a Physical Interface to a Port Channel.................................................................................................. 430
Reassigning an Interface to a New Port Channel............................................................................................. 432
Configuring the Minimum Oper Up Links in a Port Channel...........................................................................432
Configuring VLAN Tags for Member Interfaces................................................................................................433
Deleting or Disabling a Port Channel.................................................................................................................... 433
Configuring Auto LAG.................................................................................................................................................... 433
Configuring the Minimum Number of Links to be Up for Uplink LAGs to be Active...................................... 435
Optimizing Traffic Disruption Over LAG Interfaces On IOA Switches in VLT Mode......................................436
Preserving LAG and Port Channel Settings in Nonvolatile Storage................................................................... 436
Enabling LACP link-fallback.......................................................................................................................................... 436
Enabling the Verification of Member Links Utilization in a LAG Bundle............................................................ 437
Monitoring the Member Links of a LAG Bundle.......................................................................................................437
Verifying LACP Operation and LAG Configuration................................................................................................. 438
Multiple Uplink LAGs with 10G Member Ports........................................................................................................ 440
Chapter 32: Layer 2................................................................................................................... 442
Managing the MAC Address Table............................................................................................................................. 442
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