Setup Guide

Conguring IPv6 RA Guard on an Interface..........................................................................................................401
Monitoring IPv6 RA Guard......................................................................................................................................402
23 Intermediate System to Intermediate System.......................................................................................... 403
IS-IS Protocol Overview................................................................................................................................................403
IS-IS Addressing.............................................................................................................................................................403
Multi-Topology IS-IS...................................................................................................................................................... 404
Transition Mode....................................................................................................................................................... 404
Interface Support.................................................................................................................................................... 405
Adjacencies...............................................................................................................................................................405
Graceful Restart............................................................................................................................................................ 405
Timers....................................................................................................................................................................... 405
Implementation Information......................................................................................................................................... 405
Conguration Information.............................................................................................................................................406
Conguration Tasks for IS-IS..................................................................................................................................407
Conguring the Distance of a Route......................................................................................................................414
Changing the IS-Type...............................................................................................................................................415
Redistributing IPv4 Routes......................................................................................................................................417
Redistributing IPv6 Routes......................................................................................................................................418
Conguring Authentication Passwords..................................................................................................................419
Setting the Overload Bit..........................................................................................................................................419
Debugging IS-IS....................................................................................................................................................... 420
IS-IS Metric Styles..........................................................................................................................................................421
Congure Metric Values................................................................................................................................................ 421
Maximum Values in the Routing Table................................................................................................................... 421
Change the IS-IS Metric Style in One Level Only.................................................................................................421
Leaks from One Level to Another..........................................................................................................................423
Sample Congurations.................................................................................................................................................. 424
24 Link Aggregation Control Protocol (LACP).............................................................................................. 426
Introduction to Dynamic LAGs and LACP.................................................................................................................. 426
Important Points to Remember............................................................................................................................. 426
LACP Modes.............................................................................................................................................................427
Conguring LACP Commands............................................................................................................................... 427
LACP Conguration Tasks............................................................................................................................................ 428
Creating a LAG.........................................................................................................................................................428
Conguring the LAG Interfaces as Dynamic........................................................................................................ 428
Setting the LACP Long Timeout............................................................................................................................429
Monitoring and Debugging LACP..........................................................................................................................429
Shared LAG State Tracking.......................................................................................................................................... 430
Conguring Shared LAG State Tracking...............................................................................................................430
Important Points about Shared LAG State Tracking........................................................................................... 432
LACP Basic Conguration Example.............................................................................................................................432
Congure a LAG on ALPHA................................................................................................................................... 432
25 Layer 2..................................................................................................................................................... 441
Contents
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