Concept Guide

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 342
RTAG7............................................................................................................................................................................. 342
Flow-based Hashing for ECMP....................................................................................................................................343
15 FIP Snooping............................................................................................................................................346
Fibre Channel over Ethernet........................................................................................................................................ 346
Ensure Robustness in a Converged Ethernet Network............................................................................................346
FIP Snooping on Ethernet Bridges.............................................................................................................................. 348
FIP Snooping in a Switch Stack...................................................................................................................................350
Using FIP Snooping....................................................................................................................................................... 350
FIP Snooping Prerequisites.....................................................................................................................................350
Important Points to Remember............................................................................................................................. 350
Enabling the FCoE Transit Feature.........................................................................................................................351
Enable FIP Snooping on VLANs.............................................................................................................................352
Congure the FC-MAP Value................................................................................................................................ 352
Congure a Port for a Bridge-to-Bridge Link.......................................................................................................352
Congure a Port for a Bridge-to-FCF Link...........................................................................................................352
Impact on Other Software Features..................................................................................................................... 352
FIP Snooping Restrictions...................................................................................................................................... 353
Conguring FIP Snooping.......................................................................................................................................353
Displaying FIP Snooping Information...........................................................................................................................354
FCoE Transit Conguration Example.......................................................................................................................... 359
16 Flex Hash and Optimized Boot-Up............................................................................................................ 361
Flex Hash Capability Overview..................................................................................................................................... 361
Conguring the Flex Hash Mechanism........................................................................................................................361
Conguring Fast Boot and LACP Fast Switchover...................................................................................................362
Optimizing the Boot Time.............................................................................................................................................362
Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................362
Guidelines for Conguring Optimized Booting Mechanism................................................................................363
Interoperation of Applications with Fast Boot and System States..........................................................................364
LACP and IPv4 Routing.......................................................................................................................................... 364
LACP and IPv6 Routing.......................................................................................................................................... 364
BGP Graceful Restart............................................................................................................................................. 365
Cold Boot Caused by Power Cycling the System............................................................................................... 365
Unexpected Reload of the System........................................................................................................................365
Software Upgrade................................................................................................................................................... 365
LACP Fast Switchover............................................................................................................................................365
Changes to BGP Multipath.................................................................................................................................... 366
Delayed Installation of ECMP Routes Into BGP...................................................................................................366
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 366
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 367
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 368
Protocol Overview.........................................................................................................................................................368
Ring Status............................................................................................................................................................... 369
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