Concept Guide

Multi-Topology IS-IS...................................................................................................................................................... 496
Transition Mode....................................................................................................................................................... 496
Interface Support.....................................................................................................................................................497
Adjacencies...............................................................................................................................................................497
Graceful Restart.............................................................................................................................................................497
Timers........................................................................................................................................................................497
Implementation Information..........................................................................................................................................497
Conguration Information.............................................................................................................................................498
Conguration Tasks for IS-IS..................................................................................................................................499
Conguring the Distance of a Route.....................................................................................................................506
Changing the IS-Type.............................................................................................................................................. 507
Redistributing IPv4 Routes.....................................................................................................................................509
Redistributing IPv6 Routes......................................................................................................................................510
Conguring Authentication Passwords.................................................................................................................. 511
Setting the Overload Bit...........................................................................................................................................511
Debugging IS-IS........................................................................................................................................................512
IS-IS Metric Styles..........................................................................................................................................................513
Congure Metric Values................................................................................................................................................ 513
Maximum Values in the Routing Table................................................................................................................... 513
Change the IS-IS Metric Style in One Level Only.................................................................................................513
Leaks from One Level to Another...........................................................................................................................515
Sample Congurations...................................................................................................................................................516
25 In-Service Software Upgrade................................................................................................................... 518
ISSU Introduction........................................................................................................................................................... 518
Warmboot Limitations..............................................................................................................................................518
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 518
L2 ISSU............................................................................................................................................................................519
L3 ISSU............................................................................................................................................................................519
CoPP............................................................................................................................................................................... 520
Mirroring ow control packets..................................................................................................................................... 520
PFC..................................................................................................................................................................................520
QoS..................................................................................................................................................................................520
Tunnel Conguration..................................................................................................................................................... 520
26 Link Aggregation Control Protocol (LACP).............................................................................................. 522
Introduction to Dynamic LAGs and LACP.................................................................................................................. 522
Important Points to Remember............................................................................................................................. 522
LACP Modes............................................................................................................................................................ 523
Conguring LACP Commands............................................................................................................................... 523
LACP Conguration Tasks............................................................................................................................................ 524
Creating a LAG.........................................................................................................................................................524
Conguring the LAG Interfaces as Dynamic........................................................................................................ 524
Setting the LACP Long Timeout........................................................................................................................... 525
Monitoring and Debugging LACP..........................................................................................................................525
Shared LAG State Tracking.......................................................................................................................................... 526
Contents
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