Concept Guide

Clearing IPv6 Routes...............................................................................................................................................424
Disabling ND Entry Timeout................................................................................................................................... 424
Conguring IPv6 RA Guard.......................................................................................................................................... 425
Conguring IPv6 RA Guard on an Interface.........................................................................................................426
Monitoring IPv6 RA Guard......................................................................................................................................427
23 Intermediate System to Intermediate System.......................................................................................... 428
IS-IS Protocol Overview................................................................................................................................................428
IS-IS Addressing.............................................................................................................................................................428
Multi-Topology IS-IS...................................................................................................................................................... 429
Transition Mode....................................................................................................................................................... 429
Interface Support.....................................................................................................................................................430
Adjacencies...............................................................................................................................................................430
Graceful Restart.............................................................................................................................................................430
Timers....................................................................................................................................................................... 430
Implementation Information..........................................................................................................................................430
Conguration Information..............................................................................................................................................431
Conguration Tasks for IS-IS..................................................................................................................................432
Conguring the Distance of a Route.....................................................................................................................439
Changing the IS-Type.............................................................................................................................................. 440
Redistributing IPv4 Routes.....................................................................................................................................442
Redistributing IPv6 Routes.....................................................................................................................................443
Conguring Authentication Passwords.................................................................................................................444
Setting the Overload Bit......................................................................................................................................... 444
Debugging IS-IS....................................................................................................................................................... 445
IS-IS Metric Styles.........................................................................................................................................................446
Congure Metric Values............................................................................................................................................... 446
Maximum Values in the Routing Table.................................................................................................................. 446
Change the IS-IS Metric Style in One Level Only................................................................................................446
Leaks from One Level to Another..........................................................................................................................448
Sample Congurations.................................................................................................................................................. 449
24 Link Aggregation Control Protocol (LACP)............................................................................................... 451
Introduction to Dynamic LAGs and LACP................................................................................................................... 451
Important Points to Remember.............................................................................................................................. 451
LACP Modes............................................................................................................................................................ 452
Conguring LACP Commands............................................................................................................................... 452
LACP Conguration Tasks............................................................................................................................................453
Creating a LAG.........................................................................................................................................................453
Conguring the LAG Interfaces as Dynamic........................................................................................................453
Setting the LACP Long Timeout............................................................................................................................454
Monitoring and Debugging LACP..........................................................................................................................454
Shared LAG State Tracking.......................................................................................................................................... 455
Conguring Shared LAG State Tracking...............................................................................................................455
Important Points about Shared LAG State Tracking........................................................................................... 457
LACP Basic Conguration Example.............................................................................................................................457
Contents
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