Concept Guide

Interface Support.....................................................................................................................................................444
Adjacencies...............................................................................................................................................................444
Graceful Restart.............................................................................................................................................................444
Timers........................................................................................................................................................................444
Implementation Information..........................................................................................................................................445
Conguration Information.............................................................................................................................................445
Conguration Tasks for IS-IS..................................................................................................................................446
IS-IS Metric Styles.........................................................................................................................................................460
Congure Metric Values............................................................................................................................................... 460
Maximum Values in the Routing Table.................................................................................................................. 460
Change the IS-IS Metric Style in One Level Only................................................................................................460
Leaks from One Level to Another..........................................................................................................................462
Sample Congurations.................................................................................................................................................. 463
30 Isolated Networks for Aggregators...........................................................................................................467
Conguring and Verifying Isolated Network Settings............................................................................................... 467
31 Link Aggregation...................................................................................................................................... 468
Supported Modes..........................................................................................................................................................468
How the LACP is Implemented on an Aggregator.....................................................................................................468
Uplink LAG................................................................................................................................................................469
Server-Facing LAGs................................................................................................................................................ 469
LACP Modes............................................................................................................................................................ 469
Auto-Congured LACP Timeout............................................................................................................................469
Link Aggregation Control Protocol (LACP)................................................................................................................ 470
Conguration Tasks for Port Channel Interfaces.................................................................................................470
Creating a Port Channel..........................................................................................................................................470
Adding a Physical Interface to a Port Channel.....................................................................................................470
Reassigning an Interface to a New Port Channel................................................................................................ 472
Conguring the Minimum Oper Up Links in a Port Channel...............................................................................473
Conguring VLAN Tags for Member Interfaces...................................................................................................473
Deleting or Disabling a Port Channel..................................................................................................................... 474
Conguring Auto LAG....................................................................................................................................................474
Conguring the Minimum Number of Links to be Up for Uplink LAGs to be Active.............................................476
Optimizing Trac Disruption Over LAG Interfaces On IOA Switches in VLT Mode.............................................. 477
Preserving LAG and Port Channel Settings in Nonvolatile Storage........................................................................ 477
Enabling LACP link-fallback...........................................................................................................................................477
Enabling the Verication of Member Links Utilization in a LAG Bundle.................................................................. 478
Monitoring the Member Links of a LAG Bundle.........................................................................................................478
Verifying LACP Operation and LAG Conguration....................................................................................................479
Multiple Uplink LAGs with 10G Member Ports........................................................................................................... 481
32 Layer 2.....................................................................................................................................................483
Supported Modes..........................................................................................................................................................483
Managing the MAC Address Table.............................................................................................................................. 483
Clearing the MAC Address Entries........................................................................................................................483
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