Concept Guide

23 iSCSI Optimization...................................................................................................................................482
iSCSI Optimization Overview....................................................................................................................................... 482
Monitoring iSCSI Trac Flows...............................................................................................................................484
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 484
Information Monitored in iSCSI Trac Flows.......................................................................................................484
Detection and Auto-Conguration for Dell EqualLogic Arrays...........................................................................485
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................485
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................486
Enable and Disable iSCSI Optimization................................................................................................................. 486
Default iSCSI Optimization Values............................................................................................................................... 487
iSCSI Optimization Prerequisites..................................................................................................................................487
Conguring iSCSI Optimization....................................................................................................................................487
Displaying iSCSI Optimization Information................................................................................................................. 489
24 Intermediate System to Intermediate System........................................................................................... 491
IS-IS Protocol Overview................................................................................................................................................ 491
IS-IS Addressing............................................................................................................................................................. 491
Multi-Topology IS-IS...................................................................................................................................................... 492
Transition Mode....................................................................................................................................................... 492
Interface Support.....................................................................................................................................................493
Adjacencies...............................................................................................................................................................493
Graceful Restart.............................................................................................................................................................493
Timers........................................................................................................................................................................493
Implementation Information..........................................................................................................................................493
Conguration Information.............................................................................................................................................494
Conguration Tasks for IS-IS..................................................................................................................................495
Conguring the Distance of a Route.....................................................................................................................502
Changing the IS-Type.............................................................................................................................................. 503
Redistributing IPv4 Routes.....................................................................................................................................505
Redistributing IPv6 Routes.....................................................................................................................................506
Conguring Authentication Passwords.................................................................................................................507
Setting the Overload Bit......................................................................................................................................... 507
Debugging IS-IS.......................................................................................................................................................508
IS-IS Metric Styles.........................................................................................................................................................509
Congure Metric Values............................................................................................................................................... 509
Maximum Values in the Routing Table.................................................................................................................. 509
Change the IS-IS Metric Style in One Level Only................................................................................................509
Leaks from One Level to Another........................................................................................................................... 511
Sample Congurations...................................................................................................................................................512
25 In-Service Software Upgrade................................................................................................................... 514
ISSU Introduction........................................................................................................................................................... 514
Warmboot Limitations..............................................................................................................................................514
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 514
L2 ISSU............................................................................................................................................................................515
Contents
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