Disabling BGP4+ graceful restart........................................................................................................................................................................................ 497
Re-enabling BGP4+ graceful restart..................................................................................................................................................................................498
Disabling the BGP AS_PATH check function................................................................................................................................................................ 500
Displaying BGP4+ statistics...................................................................................................................................................................................................500
Displaying BGP4+ neighbor statistics...............................................................................................................................................................................503
Clearing BGP4+ dampened paths......................................................................................................................................................................................505
VRRP and VRRP-E....................................................................................................................................................................................................... 507
Overview..................................................................................................................................................................................................................................................507
VRRP and VRRP-E overview.........................................................................................................................................................................................................507
VRRP overview............................................................................................................................................................................................................................507
VRRP-E overview.......................................................................................................................................................................................................................512
ARP behavior with VRRP-E...................................................................................................................................................................................................513
Comparison of VRRP and VRRP-E............................................................................................................................................................................................ 513
VRRP...............................................................................................................................................................................................................................................513
VRRP-E..........................................................................................................................................................................................................................................514
Architectural dierences between VRRP and VRRP-E..............................................................................................................................................514
VRRP and VRRP-E parameters....................................................................................................................................................................................................514
Note regarding disabling VRRP or VRRP-E...................................................................................................................................................................518
Basic VRRP parameter conguration......................................................................................................................................................................................... 518
Conguration rules for VRRP................................................................................................................................................................................................518
Enabling an owner VRRP device......................................................................................................................................................................................... 519
Enabling an IPv6 VRRPv3 owner device.........................................................................................................................................................................520
Enabling a backup VRRP device......................................................................................................................................................................................... 521
Enabling an IPv6 VRRPv3 backup device...................................................................................................................................................................... 523
Assigning an auto-generated link-local IPv6 address for a VRRPv3 cluster................................................................................................... 524
Enabling the v2 checksum computation method in a VRRPv3 IPv4 session.................................................................................................525
Enabling accept mode in VRRP non-Owner Master router..................................................................................................................................... 525
Conguration considerations for IPv6 VRRP and IPv6 VRRP-E support on Brocade devices...............................................................526
Basic VRRP-E parameter conguration.................................................................................................................................................................................... 526
Conguration rules for VRRP-E...........................................................................................................................................................................................526
Conguring IPv4 VRRP-E......................................................................................................................................................................................................527
Conguring IPv6 VRRP-E......................................................................................................................................................................................................527
Additional VRRP and VRRP-E parameter conguration.................................................................................................................................................... 528
VRRP and VRRP-E authentication types.........................................................................................................................................................................529
VRRP router type........................................................................................................................................................................................................................530
Suppression of RIP advertisements................................................................................................................................................................................... 531
Hello interval conguration..................................................................................................................................................................................................... 532
Dead interval conguration.....................................................................................................................................................................................................533
Backup Hello message state and interval........................................................................................................................................................................ 533
Track port conguration...........................................................................................................................................................................................................533
Track priority conguration..................................................................................................................................................................................................... 534
Backup preempt conguration............................................................................................................................................................................................. 534
Changing the timer scale.........................................................................................................................................................................................................535
VRRP-E slow start timer......................................................................................................................................................................................................... 536
VRRP-E Extension for Server Virtualization................................................................................................................................................................... 536
Suppressing default interface-level RA messages on an IPv6 VRRP or VRRP-E interface......................................................................539
Forcing a Master router to abdicate to a Backup router...................................................................................................................................................... 539
Accept mode for backup VRRP devices....................................................................................................................................................................................540
Enabling accept mode on a backup VRRP device.......................................................................................................................................................540
Displaying VRRP and VRRP-E information.............................................................................................................................................................................542
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