Users Guide

23 Intermediate System to Intermediate System.......................................................................................... 396
IS-IS Protocol Overview............................................................................................................................................... 396
IS-IS Addressing.............................................................................................................................................................396
Multi-Topology IS-IS.......................................................................................................................................................397
Transition Mode........................................................................................................................................................397
Interface Support.....................................................................................................................................................398
Adjacencies...............................................................................................................................................................398
Graceful Restart.............................................................................................................................................................398
Timers....................................................................................................................................................................... 398
Implementation Information..........................................................................................................................................398
Conguration Information.............................................................................................................................................399
Conguration Tasks for IS-IS................................................................................................................................. 400
Conguring the Distance of a Route.....................................................................................................................407
Changing the IS-Type.............................................................................................................................................. 408
Redistributing IPv4 Routes......................................................................................................................................410
Redistributing IPv6 Routes...................................................................................................................................... 411
Conguring Authentication Passwords..................................................................................................................412
Setting the Overload Bit..........................................................................................................................................412
Debugging IS-IS........................................................................................................................................................413
IS-IS Metric Styles..........................................................................................................................................................414
Congure Metric Values................................................................................................................................................ 414
Maximum Values in the Routing Table................................................................................................................... 414
Change the IS-IS Metric Style in One Level Only.................................................................................................414
Leaks from One Level to Another...........................................................................................................................416
Sample Congurations................................................................................................................................................... 417
24 Link Aggregation Control Protocol (LACP)............................................................................................... 419
Introduction to Dynamic LAGs and LACP................................................................................................................... 419
Important Points to Remember.............................................................................................................................. 419
LACP Modes............................................................................................................................................................ 420
Conguring LACP Commands............................................................................................................................... 420
LACP Conguration Tasks.............................................................................................................................................421
Creating a LAG..........................................................................................................................................................421
Conguring the LAG Interfaces as Dynamic.........................................................................................................421
Setting the LACP Long Timeout............................................................................................................................422
Monitoring and Debugging LACP.......................................................................................................................... 422
Shared LAG State Tracking.......................................................................................................................................... 423
Conguring Shared LAG State Tracking............................................................................................................... 423
Important Points about Shared LAG State Tracking........................................................................................... 425
LACP Basic Conguration Example............................................................................................................................ 425
Congure a LAG on ALPHA................................................................................................................................... 425
25 Layer 2.....................................................................................................................................................434
Manage the MAC Address Table................................................................................................................................. 434
Clearing the MAC Address Table........................................................................................................................... 434
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