Connectivity Guide

Neighbor fall-over....................................................................................................................................................445
Congure password.................................................................................................................................................446
Fast external fallover............................................................................................................................................... 448
Passive peering........................................................................................................................................................ 449
Local AS.................................................................................................................................................................... 450
AS number limit.........................................................................................................................................................451
Redistribute routes.................................................................................................................................................. 452
Additional paths....................................................................................................................................................... 452
MED attributes.........................................................................................................................................................452
Local preference attribute...................................................................................................................................... 453
Weight attribute.......................................................................................................................................................454
Enable multipath...................................................................................................................................................... 454
Route-map lters.....................................................................................................................................................454
Route reector clusters.......................................................................................................................................... 455
Aggregate routes..................................................................................................................................................... 456
Confederations.........................................................................................................................................................456
Route dampening.....................................................................................................................................................457
Timers....................................................................................................................................................................... 458
Neighbor soft-reconguration............................................................................................................................... 459
BGP commands.......................................................................................................................................................459
Equal cost multi-path.................................................................................................................................................... 493
Load balancing......................................................................................................................................................... 493
Maximum ECMP groups and paths.......................................................................................................................497
ECMP commands....................................................................................................................................................497
IPv4 routing.................................................................................................................................................................... 502
Assign interface IP address.................................................................................................................................... 502
Congure static routing.......................................................................................................................................... 503
Address Resolution Protocol.................................................................................................................................. 504
IPv4 routing commands..........................................................................................................................................504
IPv6 routing....................................................................................................................................................................509
Enable or disable IPv6.............................................................................................................................................509
IPv6 addresses..........................................................................................................................................................510
Stateless autoconguration.....................................................................................................................................512
Neighbor Discovery..................................................................................................................................................512
Duplicate address discovery....................................................................................................................................514
Static IPv6 routing....................................................................................................................................................514
IPv6 destination unreachable..................................................................................................................................515
IPv6 hop-by-hop options.........................................................................................................................................515
View IPv6 information..............................................................................................................................................515
IPv6 commands........................................................................................................................................................516
Open shortest path rst............................................................................................................................................... 528
Autonomous system areas......................................................................................................................................528
Areas, networks, and neighbors.............................................................................................................................529
Router types.............................................................................................................................................................529
Designated and backup designated routers......................................................................................................... 530
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