http://www.cisco.com/en/US/docs/ios/iproute_bgp/command/reference/irg_bgp4.html#wp1144312you can refer to the above URL for the command reference.neighbor [ip-address | peer-group-name] timers keepalive holdtime [min-holdtime]

When the minimum acceptable hold-time is configured on a BGP router, a remote BGP peer session is established only if the remote peer is advertising a hold-time that is equal to, or greater than, the minimum acceptable hold-time interval. If the mini...