Developers Guide

Table Of Contents
IS-IS Addressing.............................................................................................................................................................. 448
Multi-Topology IS-IS...................................................................................................................................................... 449
Transition Mode.........................................................................................................................................................449
Interface Support......................................................................................................................................................449
Adjacencies.................................................................................................................................................................449
Graceful Restart..............................................................................................................................................................450
Timers.......................................................................................................................................................................... 450
Implementation Information......................................................................................................................................... 450
Configuration Information..............................................................................................................................................451
Configuration Tasks for IS-IS..................................................................................................................................451
Configuring the Distance of a Route....................................................................................................................458
Changing the IS-Type.............................................................................................................................................. 458
Redistributing IPv4 Routes......................................................................................................................................461
Redistributing IPv6 Routes......................................................................................................................................461
Configuring Authentication Passwords............................................................................................................... 462
Setting the Overload Bit..........................................................................................................................................462
Debugging IS-IS.........................................................................................................................................................463
IS-IS Metric Styles..........................................................................................................................................................464
Configure Metric Values................................................................................................................................................464
Maximum Values in the Routing Table.................................................................................................................464
Change the IS-IS Metric Style in One Level Only............................................................................................. 464
Leaks from One Level to Another.........................................................................................................................466
Sample Configurations...................................................................................................................................................466
Chapter 25: In-Service Software Upgrade................................................................................. 469
ISSU Introduction............................................................................................................................................................469
Fastboot 2.0 (Zero Loss Upgrade).............................................................................................................................469
L2 ISSU..............................................................................................................................................................................470
L3 ISSU..............................................................................................................................................................................470
CoPP.................................................................................................................................................................................. 470
Mirroring flow control packets..................................................................................................................................... 471
PFC......................................................................................................................................................................................471
QoS......................................................................................................................................................................................471
Tunnel Configuration.......................................................................................................................................................471
Chapter 26: Link Aggregation Control Protocol (LACP)............................................................. 472
Introduction to Dynamic LAGs and LACP................................................................................................................. 472
Important Points to Remember............................................................................................................................. 472
LACP Modes...............................................................................................................................................................473
Configuring LACP Commands................................................................................................................................473
LACP Configuration Tasks............................................................................................................................................473
Creating a LAG...........................................................................................................................................................474
Configuring the LAG Interfaces as Dynamic.......................................................................................................474
Setting the LACP Long Timeout............................................................................................................................474
Monitoring and Debugging LACP.......................................................................................................................... 475
Shared LAG State Tracking..........................................................................................................................................475
Configuring Shared LAG State Tracking............................................................................................................. 476
Important Points about Shared LAG State Tracking........................................................................................ 477
LACP Basic Configuration Example............................................................................................................................478
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