Setup Guide

Table Of Contents
Multi-Topology IS-IS......................................................................................................................................................... 429
Transition Mode...........................................................................................................................................................429
Interface Support........................................................................................................................................................ 429
Adjacencies...................................................................................................................................................................429
Graceful Restart................................................................................................................................................................430
Timers........................................................................................................................................................................... 430
Implementation Information.............................................................................................................................................430
Configuration Information.................................................................................................................................................431
Configuration Tasks for IS-IS......................................................................................................................................431
Configuring the Distance of a Route........................................................................................................................ 438
Changing the IS-Type.................................................................................................................................................438
Redistributing IPv4 Routes.........................................................................................................................................440
Redistributing IPv6 Routes......................................................................................................................................... 441
Configuring Authentication Passwords.....................................................................................................................441
Setting the Overload Bit.............................................................................................................................................442
Debugging IS-IS........................................................................................................................................................... 442
IS-IS Metric Styles............................................................................................................................................................ 443
Configure Metric Values...................................................................................................................................................443
Maximum Values in the Routing Table......................................................................................................................443
Change the IS-IS Metric Style in One Level Only................................................................................................... 443
Leaks from One Level to Another............................................................................................................................. 445
Sample Configurations......................................................................................................................................................445
25 In-Service Software Upgrade...................................................................................................448
ISSU Introduction.............................................................................................................................................................. 448
Fastboot 2.0 (Zero Loss Upgrade)................................................................................................................................. 448
L2 ISSU...............................................................................................................................................................................448
L3 ISSU...............................................................................................................................................................................449
CoPP...................................................................................................................................................................................449
Mirroring flow control packets........................................................................................................................................ 450
PFC..................................................................................................................................................................................... 450
QoS..................................................................................................................................................................................... 450
Tunnel Configuration........................................................................................................................................................ 450
26 Link Aggregation Control Protocol (LACP)................................................................................ 451
Introduction to Dynamic LAGs and LACP.......................................................................................................................451
Important Points to Remember..................................................................................................................................451
LACP Modes.................................................................................................................................................................451
Configuring LACP Commands...................................................................................................................................452
LACP Configuration Tasks...............................................................................................................................................452
Creating a LAG............................................................................................................................................................ 452
Configuring the LAG Interfaces as Dynamic............................................................................................................453
Setting the LACP Long Timeout............................................................................................................................... 453
Monitoring and Debugging LACP..............................................................................................................................454
Shared LAG State Tracking............................................................................................................................................. 454
Configuring Shared LAG State Tracking..................................................................................................................455
Important Points about Shared LAG State Tracking..............................................................................................456
LACP Basic Configuration Example................................................................................................................................456
Configure a LAG on ALPHA.......................................................................................................................................456
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