Setup Guide

Enable and Disable iSCSI Optimization.................................................................................................................490
Default iSCSI Optimization Values................................................................................................................................491
iSCSI Optimization Prerequisites.................................................................................................................................. 491
Conguring iSCSI Optimization.................................................................................................................................... 491
Displaying iSCSI Optimization Information..................................................................................................................493
24 Intermediate System to Intermediate System.......................................................................................... 495
IS-IS Protocol Overview............................................................................................................................................... 495
IS-IS Addressing.............................................................................................................................................................495
Multi-Topology IS-IS...................................................................................................................................................... 496
Transition Mode....................................................................................................................................................... 496
Interface Support.....................................................................................................................................................497
Adjacencies...............................................................................................................................................................497
Graceful Restart.............................................................................................................................................................497
Timers........................................................................................................................................................................497
Implementation Information..........................................................................................................................................497
Conguration Information.............................................................................................................................................498
Conguration Tasks for IS-IS..................................................................................................................................499
Conguring the Distance of a Route.....................................................................................................................506
Changing the IS-Type.............................................................................................................................................. 507
Redistributing IPv4 Routes.....................................................................................................................................509
Redistributing IPv6 Routes......................................................................................................................................510
Conguring Authentication Passwords.................................................................................................................. 511
Setting the Overload Bit...........................................................................................................................................511
Debugging IS-IS........................................................................................................................................................512
IS-IS Metric Styles..........................................................................................................................................................513
Congure Metric Values................................................................................................................................................ 513
Maximum Values in the Routing Table................................................................................................................... 514
Change the IS-IS Metric Style in One Level Only.................................................................................................514
Leaks from One Level to Another...........................................................................................................................515
Sample Congurations...................................................................................................................................................516
25 In-Service Software Upgrade................................................................................................................... 519
ISSU Introduction........................................................................................................................................................... 519
Warmboot Limitations..............................................................................................................................................519
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 519
L2 ISSU........................................................................................................................................................................... 520
L3 ISSU........................................................................................................................................................................... 520
CoPP................................................................................................................................................................................521
Mirroring ow control packets......................................................................................................................................521
PFC.................................................................................................................................................................................. 521
QoS.................................................................................................................................................................................. 521
Tunnel Conguration...................................................................................................................................................... 521
26 Link Aggregation Control Protocol (LACP).............................................................................................. 523
Introduction to Dynamic LAGs and LACP.................................................................................................................. 523
Contents
17