Reference Guide

Creating an ECMP Group Bundle............................................................................................... 315
Modifying the ECMP Group Threshold.......................................................................................315
Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table................. 316
Support for ECMP in host table.................................................................................................. 316
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes .................................................. 317
14 FCoE Transit.........................................................................................................318
Fibre Channel over Ethernet.............................................................................................................318
Ensure Robustness in a Converged Ethernet Network................................................................... 318
FIP Snooping on Ethernet Bridges................................................................................................... 320
FIP Snooping in a Switch Stack........................................................................................................ 322
Using FIP Snooping...........................................................................................................................322
FIP Snooping Prerequisites......................................................................................................... 322
Important Points to Remember..................................................................................................323
Enabling the FCoE Transit Feature............................................................................................. 323
Enable FIP Snooping on VLANs..................................................................................................324
Configure the FC-MAP Value..................................................................................................... 324
Configure a Port for a Bridge-to-Bridge Link............................................................................324
Configure a Port for a Bridge-to-FCF Link................................................................................ 324
Impact on Other Software Features...........................................................................................324
FIP Snooping Restrictions...........................................................................................................325
Configuring FIP Snooping...........................................................................................................325
Displaying FIP Snooping Information.............................................................................................. 326
FCoE Transit Configuration Example...............................................................................................332
15 Flex Hash and Optimized Boot-Up................................................................334
Flex Hash Capability Overview......................................................................................................... 334
Configuring the Flex Hash Mechanism............................................................................................334
Configuring Fast Boot and LACP Fast Switchover...........................................................................335
Optimizing the Boot Time................................................................................................................336
Booting Process When Optimized Boot Time Mechanism is Enabled.....................................336
Guidelines for Configuring Optimized Booting Mechanism.....................................................336
Interoperation of Applications with Fast Boot and System States.................................................. 337
LACP and IPv4 Routing............................................................................................................... 337
LACP and IPv6 Routing...............................................................................................................338
BGP Graceful Restart.................................................................................................................. 338
Cold Boot Caused by Power Cycling the System..................................................................... 339
Unexpected Reload of the System.............................................................................................339
Software Upgrade....................................................................................................................... 339
LACP Fast Switchover................................................................................................................. 339
Changes to BGP Multipath......................................................................................................... 339
Delayed Installation of ECMP Routes Into BGP.........................................................................340