Users Guide

IS-IS Addressing..............................................................................................................................................................452
Multi-Topology IS-IS...................................................................................................................................................... 453
Transition Mode.........................................................................................................................................................453
Interface Support......................................................................................................................................................453
Adjacencies.................................................................................................................................................................453
Graceful Restart..............................................................................................................................................................454
Timers.......................................................................................................................................................................... 454
Implementation Information......................................................................................................................................... 454
Configuration Information.............................................................................................................................................455
Configuration Tasks for IS-IS.................................................................................................................................455
Configuring the Distance of a Route....................................................................................................................462
Changing the IS-Type.............................................................................................................................................. 462
Redistributing IPv4 Routes..................................................................................................................................... 465
Redistributing IPv6 Routes.....................................................................................................................................465
Configuring Authentication Passwords............................................................................................................... 466
Setting the Overload Bit..........................................................................................................................................467
Debugging IS-IS......................................................................................................................................................... 467
IS-IS Metric Styles..........................................................................................................................................................468
Configure Metric Values................................................................................................................................................468
Maximum Values in the Routing Table.................................................................................................................469
Change the IS-IS Metric Style in One Level Only............................................................................................. 469
Leaks from One Level to Another......................................................................................................................... 470
Sample Configurations....................................................................................................................................................471
Chapter 25: In-Service Software Upgrade................................................................................. 474
ISSU Introduction............................................................................................................................................................474
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................. 474
L2 ISSU..............................................................................................................................................................................475
L3 ISSU..............................................................................................................................................................................475
CoPP.................................................................................................................................................................................. 475
Mirroring flow control packets.....................................................................................................................................476
PFC.....................................................................................................................................................................................476
QoS.....................................................................................................................................................................................476
Tunnel Configuration......................................................................................................................................................476
Chapter 26: Link Aggregation Control Protocol (LACP)............................................................. 477
Introduction to Dynamic LAGs and LACP................................................................................................................. 477
Important Points to Remember..............................................................................................................................477
LACP Modes...............................................................................................................................................................478
Configuring LACP Commands................................................................................................................................478
LACP Configuration Tasks............................................................................................................................................478
Creating a LAG...........................................................................................................................................................479
Configuring the LAG Interfaces as Dynamic.......................................................................................................479
Setting the LACP Long Timeout........................................................................................................................... 480
Monitoring and Debugging LACP..........................................................................................................................480
Shared LAG State Tracking..........................................................................................................................................480
Configuring Shared LAG State Tracking..............................................................................................................481
Important Points about Shared LAG State Tracking........................................................................................482
LACP Basic Configuration Example............................................................................................................................483
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