Deployment Guide

Table Of Contents
Multi-Topology IS-IS...................................................................................................................................................... 459
Transition Mode.........................................................................................................................................................459
Interface Support......................................................................................................................................................459
Adjacencies.................................................................................................................................................................459
Graceful Restart..............................................................................................................................................................460
Timers.......................................................................................................................................................................... 460
Implementation Information......................................................................................................................................... 460
Configuration Information..............................................................................................................................................461
Configuration Tasks for IS-IS..................................................................................................................................461
Configuring the Distance of a Route....................................................................................................................468
Changing the IS-Type.............................................................................................................................................. 468
Redistributing IPv4 Routes..................................................................................................................................... 470
Redistributing IPv6 Routes......................................................................................................................................471
Configuring Authentication Passwords................................................................................................................472
Setting the Overload Bit..........................................................................................................................................472
Debugging IS-IS......................................................................................................................................................... 473
IS-IS Metric Styles.......................................................................................................................................................... 473
Configure Metric Values................................................................................................................................................474
Maximum Values in the Routing Table................................................................................................................. 474
Change the IS-IS Metric Style in One Level Only............................................................................................. 474
Leaks from One Level to Another......................................................................................................................... 475
Sample Configurations...................................................................................................................................................476
Chapter 25: In-Service Software Upgrade................................................................................. 479
ISSU Introduction............................................................................................................................................................479
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................. 479
L2 ISSU..............................................................................................................................................................................480
L3 ISSU..............................................................................................................................................................................480
CoPP.................................................................................................................................................................................. 480
Mirroring flow control packets..................................................................................................................................... 481
PFC..................................................................................................................................................................................... 481
QoS..................................................................................................................................................................................... 481
Tunnel Configuration.......................................................................................................................................................481
Chapter 26: Link Aggregation Control Protocol (LACP)............................................................. 482
Introduction to Dynamic LAGs and LACP................................................................................................................. 482
Important Points to Remember............................................................................................................................. 482
LACP Modes...............................................................................................................................................................483
Configuring LACP Commands................................................................................................................................483
LACP Configuration Tasks............................................................................................................................................483
Creating a LAG.......................................................................................................................................................... 484
Configuring the LAG Interfaces as Dynamic...................................................................................................... 484
Setting the LACP Long Timeout........................................................................................................................... 484
Monitoring and Debugging LACP..........................................................................................................................485
Shared LAG State Tracking..........................................................................................................................................485
Configuring Shared LAG State Tracking............................................................................................................. 486
Important Points about Shared LAG State Tracking........................................................................................487
LACP Basic Configuration Example............................................................................................................................488
Configure a LAG on ALPHA....................................................................................................................................488
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