Users Guide

Advertise cost.............................................................................................................................................................791
4-Byte AS numbers................................................................................................................................................... 791
AS number migration.................................................................................................................................................791
Graceful restart......................................................................................................................................................... 792
Configure Border Gateway Protocol.................................................................................................................... 792
Enable BGP.................................................................................................................................................................793
BGP over unnumbered interfaces.........................................................................................................................795
Auto-unnumbered interfaces for BGP................................................................................................................. 797
Configure Dual Stack................................................................................................................................................ 801
Configure administrative distance......................................................................................................................... 801
Peer templates...........................................................................................................................................................802
Neighbor fall-over.....................................................................................................................................................806
Configure password..................................................................................................................................................807
Fast external fallover............................................................................................................................................... 809
Passive peering.......................................................................................................................................................... 810
Local AS........................................................................................................................................................................ 811
AS number limit.......................................................................................................................................................... 812
Redistribute routes....................................................................................................................................................813
Additional paths..........................................................................................................................................................814
MED attributes........................................................................................................................................................... 814
Local preference attribute.......................................................................................................................................815
Weight attribute.........................................................................................................................................................816
Enable multipath.........................................................................................................................................................816
Route-map filters....................................................................................................................................................... 817
Route reflector clusters............................................................................................................................................817
Aggregate routes....................................................................................................................................................... 818
Confederations........................................................................................................................................................... 819
Route dampening.......................................................................................................................................................819
Timers........................................................................................................................................................................... 821
Neighbor soft-reconfiguration................................................................................................................................821
Redistribute iBGP route to OSPF......................................................................................................................... 822
View BGP routes information.................................................................................................................................823
Example - BGP in a VLT topology.........................................................................................................................824
Example - Three-tier CLOS topology with eBGP..............................................................................................829
Debug BGP................................................................................................................................................................. 834
Configuring BGP template...................................................................................................................................... 834
BGP commands......................................................................................................................................................... 835
Equal cost multi-path.....................................................................................................................................................882
Load balancing........................................................................................................................................................... 882
Maximum ECMP groups and paths...................................................................................................................... 886
ECMP commands......................................................................................................................................................886
IPv4 routing......................................................................................................................................................................890
Assign interface IP address.................................................................................................................................... 890
Configure static routing...........................................................................................................................................892
Address Resolution Protocol.................................................................................................................................. 892
IPv4 routing commands...........................................................................................................................................893
IPv6 routing......................................................................................................................................................................898
Enable or disable IPv6..............................................................................................................................................899
IPv6 addresses...........................................................................................................................................................899
Stateless autoconfiguration.................................................................................................................................... 901
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