Dell S5148F-ON OS10 Enterprise Edition User Guide Release 10.3.2E-R1 - Page 202
Fast external fallover is enabled by default. To disable or re-enable it, use
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Fast external fallover is enabled by default. To disable or re-enable it, use the [no] fast-external-fallover command. For the fast-external-fallover command to take effect on an established BGP session, you must reset the session using the clear ip bgp {* | peer-ipv4-address | peer-ipv6-address} command. View fast external fallover configuration OS10(config)# do show running-configuration bgp ! router bgp 300 ! neighbor 3.1.1.1 remote-as 100 no shutdown ! neighbor 3::1 remote-as 100 no shutdown ! address-family ipv6 unicast activate OS10(config)# interface ethernet 1/1/1 OS10(conf-if-eth1/1/1)# show configuration ! interface ethernet1/1/1 ip address 3.1.1.3/24 no switchport no shutdown ipv6 address 3::3/64 OS10(conf-if-eth1/1/1)# shutdown OS10(conf-if-eth1/1/1)# do show ip bgp summary BGP router identifier 11.11.11.11 local AS number 300 Neighbor AS MsgRcvd MsgSent Up/ Down State/Pfx 3.1.1.1 100 6 6 00:00:15 Active 3::1 100 8 11 00:00:15 Active OS10(conf-if-eth1/1/1)# View fast external fallover unconfiguration OS10(config-router-bgp-300)# do show running-configuration bgp ! router bgp 300 no fast-external-fallover ! neighbor 3.1.1.1 remote-as 100 no shutdown ! neighbor 3::1 remote-as 100 no shutdown ! address-family ipv6 unicast activate OS10(config-router-bgp-300)# OS10(conf-if-eth1/1/1)# do clear ip bgp * OS10# show ip bgp summary BGP router identifier 11.11.11.11 local AS number 300 Neighbor AS MsgRcvd MsgSent Up/Down State/Pfx 3.1.1.1 100 7 4 00:00:08 3 3::1 100 9 5 00:00:08 4 OS10# OS10(config)# interface ethernet 1/1/1 OS10(conf-if-eth1/1/1)# shutdown OS10(conf-if-eth1/1/1)# do show ip bgp summary 202 Layer 3
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