Dell PowerSwitch S4112F-ON OS10 Enterprise Edition User Guide Release 10.4.0ER - Page 271
Fast external fallover
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Received 23 messages 1 opens, 0 notifications, 1 updates 21 keepalives, 0 route refresh requests Sent 21 messages 1 opens, 0 notifications, 0 updates 20 keepalives, 0 route refresh requests Minimum time between advertisement runs is 30 seconds Minimum time before advertisements start is 0 seconds Capabilities received from neighbor for IPv4 Unicast: MULTIPROTO_EXT(1) ROUTE_REFRESH(2) CISCO_ROUTE_REFRESH(128) 4_OCTET_AS(65) Capabilities advertised to neighbor for IPv4 Unicast: MULTIPROTO_EXT(1) ROUTE_REFRESH(2) CISCO_ROUTE_REFRESH(128) 4_OCTET_AS(65) Prefixes accepted 3, Prefixes advertised 0 Connections established 1; dropped 0 Last reset never For address family: IPv4 Unicast Allow local AS number 0 times in AS-PATH attribute Prefixes ignored due to: Martian address 0, Our own AS in AS-PATH 0 Invalid Nexthop 0, Invalid AS-PATH length 0 Wellknown community 0, Locally originated 0 For address family: IPv6 Unicast Allow local AS number 0 times in AS-PATH attribute Local host: 3.1.1.3, Local port: 58633 Foreign host: 3.1.1.1, Foreign port: 179 Verify neighbor fall-over on peer-group OS10# show running-configuration ! router bgp 102 ! address-family ipv4 unicast aggregate-address 6.1.0.0/16 ! neighbor 40.1.1.2 inherit template bgppg no shutdown ! neighbor 60.1.1.2 inherit template bgppg no shutdown ! neighbor 32.1.1.2 remote-as 100 no shutdown ! template bgppg fall-over remote-as 102 ! Fast external fallover Fast external fallover terminates EBGP sessions of any directly adjacent peer if the link used to reach the peer goes down. BGP does not wait for the hold-down timer to expire. Layer 3 271
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