Dell Force10 S4820T FTOS Command Reference Guide - Page 358

www.dell.com | support.dell.com Parameters Defaults Command Modes Command History subnet-number mask Enter a subnet number in dotted decimal format (A.B.C.D.) as the allowable range of addresses included in the Peer group. To allow all addresses, enter 0.0.0.0/0. Enter a prefix mask in / prefix-length format (/x). Not configured. ROUTER BGP Version 7.8.1.0 Version 7.7.1.0 Introduced support on S-Series Introduced support on C-Series neighbor timers c e s Set keepalive and hold time timers for a BGP neighbor or a peer group. Syntax Parameters Defaults Command Modes Usage Information neighbor {ip-address | peer-group-name} timers keepalive holdtime To return to the default values, use the no neighbor {ip-address | peer-group-name} timers command. ip-address peer-group-name keepalive holdtime Enter the IP address of the peer router in dotted decimal format. Enter the name of the peer group to set the timers for all routers within the peer group. Enter a number for the time interval, in seconds, between keepalive messages sent to the neighbor routers. Range: 1 to 65535 Default: 60 seconds Enter a number for the time interval, in seconds, between the last keepalive message and declaring the router dead. Range: 3 to 65535 Default: 180 seconds keepalive = 60 seconds; holdtime = 180 seconds. ROUTER BGP Timer values configured with the neighbor timers command override the timer values configured with the any other command. When two neighbors that are configured with different keepalive and holdtime values negotiate for new values, the resulting values will be as follows: • the lower of the holdtime values is the new holdtime value, and 358 | Border Gateway Protocol IPv4 (BGPv4)