Administrator Guide

23 Intermediate System to Intermediate System...........................................................................................397
IS-IS Protocol Overview................................................................................................................................................397
IS-IS Addressing.............................................................................................................................................................397
Multi-Topology IS-IS...................................................................................................................................................... 398
Transition Mode....................................................................................................................................................... 398
Interface Support.....................................................................................................................................................399
Adjacencies...............................................................................................................................................................399
Graceful Restart............................................................................................................................................................ 399
Timers....................................................................................................................................................................... 399
Implementation Information..........................................................................................................................................399
Conguration Information.............................................................................................................................................400
Conguration Tasks for IS-IS.................................................................................................................................. 401
Conguring the Distance of a Route.....................................................................................................................408
Changing the IS-Type.............................................................................................................................................. 409
Redistributing IPv4 Routes...................................................................................................................................... 411
Redistributing IPv6 Routes......................................................................................................................................412
Conguring Authentication Passwords..................................................................................................................413
Setting the Overload Bit..........................................................................................................................................413
Debugging IS-IS........................................................................................................................................................414
IS-IS Metric Styles......................................................................................................................................................... 415
Congure Metric Values................................................................................................................................................ 415
Maximum Values in the Routing Table................................................................................................................... 415
Change the IS-IS Metric Style in One Level Only.................................................................................................415
Leaks from One Level to Another...........................................................................................................................417
Sample Congurations...................................................................................................................................................418
24 Link Aggregation Control Protocol (LACP).............................................................................................. 420
Introduction to Dynamic LAGs and LACP.................................................................................................................. 420
Important Points to Remember............................................................................................................................. 420
LACP Modes.............................................................................................................................................................421
Conguring LACP Commands................................................................................................................................421
LACP Conguration Tasks............................................................................................................................................ 422
Creating a LAG.........................................................................................................................................................422
Conguring the LAG Interfaces as Dynamic........................................................................................................ 422
Setting the LACP Long Timeout............................................................................................................................423
Monitoring and Debugging LACP.......................................................................................................................... 423
Shared LAG State Tracking.......................................................................................................................................... 424
Conguring Shared LAG State Tracking............................................................................................................... 424
Important Points about Shared LAG State Tracking........................................................................................... 426
LACP Basic Conguration Example.............................................................................................................................426
Congure a LAG on ALPHA................................................................................................................................... 426
25 Layer 2.....................................................................................................................................................435
Manage the MAC Address Table................................................................................................................................. 435
Clearing the MAC Address Table........................................................................................................................... 435
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