White Papers

Table Of Contents
Transition Mode.........................................................................................................................................................458
Interface Support......................................................................................................................................................458
Adjacencies.................................................................................................................................................................458
Graceful Restart..............................................................................................................................................................459
Timers.......................................................................................................................................................................... 459
Implementation Information......................................................................................................................................... 459
Configuration Information.............................................................................................................................................460
Configuration Tasks for IS-IS.................................................................................................................................460
Configuring the Distance of a Route....................................................................................................................467
Changing the IS-Type.............................................................................................................................................. 467
Redistributing IPv4 Routes..................................................................................................................................... 469
Redistributing IPv6 Routes..................................................................................................................................... 470
Configuring Authentication Passwords................................................................................................................ 471
Setting the Overload Bit...........................................................................................................................................471
Debugging IS-IS......................................................................................................................................................... 472
IS-IS Metric Styles.......................................................................................................................................................... 472
Configure Metric Values................................................................................................................................................473
Maximum Values in the Routing Table................................................................................................................. 473
Change the IS-IS Metric Style in One Level Only............................................................................................. 473
Leaks from One Level to Another......................................................................................................................... 474
Sample Configurations...................................................................................................................................................475
Chapter 25: In-Service Software Upgrade................................................................................. 478
ISSU Introduction............................................................................................................................................................478
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................. 478
L2 ISSU..............................................................................................................................................................................479
L3 ISSU..............................................................................................................................................................................479
CoPP.................................................................................................................................................................................. 479
Mirroring flow control packets.................................................................................................................................... 480
PFC.....................................................................................................................................................................................480
QoS.....................................................................................................................................................................................480
Tunnel Configuration......................................................................................................................................................480
Chapter 26: Link Aggregation Control Protocol (LACP)............................................................. 481
Introduction to Dynamic LAGs and LACP..................................................................................................................481
Important Points to Remember..............................................................................................................................481
LACP Modes...............................................................................................................................................................482
Configuring LACP Commands................................................................................................................................482
LACP Configuration Tasks............................................................................................................................................482
Creating a LAG.......................................................................................................................................................... 483
Configuring the LAG Interfaces as Dynamic...................................................................................................... 483
Setting the LACP Long Timeout........................................................................................................................... 483
Monitoring and Debugging LACP.......................................................................................................................... 484
Shared LAG State Tracking..........................................................................................................................................484
Configuring Shared LAG State Tracking............................................................................................................. 485
Important Points about Shared LAG State Tracking........................................................................................486
LACP Basic Configuration Example............................................................................................................................487
Configure a LAG on ALPHA....................................................................................................................................487
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