When the auto shutdown of BGP4+ neighbors on initial configuration feature is enabled, a BGP4+ peer is prevented from attempting to establish connections with remote peers when the BGP4+ peer is first configured. Once all of the configuration parameters for the peer are complete, you can start the BGP4+ session establishment process and disable the peer shutdown state. Follow this procedure to disable the peer shutdown state.
device# configure terminal
device(config)# router bgp
device(config-bgp-router)# local-as 65520
device(config-bgp-router)# no neighbor 2001:2018:8192::125 shutdown
The following example disables the peer shutdown state and begins the BGP4+ session establishment process.
device# configure terminal device(config)# router bgp device(config-bgp-router)# local-as 65520 device(config-bgp-router)# no neighbor 2001:2018:8192::125 shutdown