Concept Guide

IS-IS Addressing............................................................................................................................................................. 501
Multi-Topology IS-IS...................................................................................................................................................... 502
Transition Mode....................................................................................................................................................... 502
Interface Support.................................................................................................................................................... 503
Adjacencies...............................................................................................................................................................503
Graceful Restart............................................................................................................................................................ 503
Timers....................................................................................................................................................................... 503
Implementation Information......................................................................................................................................... 503
Conguration Information.............................................................................................................................................504
Conguration Tasks for IS-IS................................................................................................................................. 505
Conguring the Distance of a Route......................................................................................................................512
Changing the IS-Type...............................................................................................................................................513
Redistributing IPv4 Routes......................................................................................................................................515
Redistributing IPv6 Routes......................................................................................................................................516
Conguring Authentication Passwords..................................................................................................................517
Setting the Overload Bit.......................................................................................................................................... 517
Debugging IS-IS........................................................................................................................................................518
IS-IS Metric Styles..........................................................................................................................................................519
Congure Metric Values................................................................................................................................................ 519
Maximum Values in the Routing Table................................................................................................................... 519
Change the IS-IS Metric Style in One Level Only.................................................................................................519
Leaks from One Level to Another...........................................................................................................................521
Sample Congurations.................................................................................................................................................. 522
25 In-Service Software Upgrade...................................................................................................................524
ISSU Introduction...........................................................................................................................................................524
Warmboot Limitations............................................................................................................................................. 524
Fastboot 2.0 (Zero Loss Upgrade).............................................................................................................................. 524
L2 ISSU........................................................................................................................................................................... 525
L3 ISSU........................................................................................................................................................................... 525
CoPP............................................................................................................................................................................... 526
Mirroring ow control packets..................................................................................................................................... 526
PFC..................................................................................................................................................................................526
QoS..................................................................................................................................................................................526
Tunnel Conguration..................................................................................................................................................... 526
26 Link Aggregation Control Protocol (LACP).............................................................................................. 528
Introduction to Dynamic LAGs and LACP.................................................................................................................. 528
Important Points to Remember............................................................................................................................. 528
LACP Modes............................................................................................................................................................ 529
Conguring LACP Commands...............................................................................................................................529
LACP Conguration Tasks............................................................................................................................................530
Creating a LAG.........................................................................................................................................................530
Conguring the LAG Interfaces as Dynamic........................................................................................................530
Setting the LACP Long Timeout............................................................................................................................ 531
Monitoring and Debugging LACP...........................................................................................................................531
Contents
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