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Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

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Changing BGP Timers

To configure BGP timers, use either or both of the following commands.

Timer values configured with the neighbor timers command override the timer values configured with the timers bgp command.

When two neighbors, configured with different keepalive and holdtime values, negotiate for new values, the resulting values are as follows:
  • the lower of the holdtime values is the new holdtime value, and
  • whichever is the lower value; one-third of the new holdtime value, or the configured keepalive value is the new keepalive value.
  • Configure timer values for a BGP neighbor or peer group. CONFIG-ROUTER-BGP mode neighbors { ip-address | peer-group-name} timers keepalive holdtime
    • keepalive : the range is from 1 to 65535. Time interval, in seconds, between keepalive messages sent to the neighbor routers. The default is 60 seconds.
    • holdtime : the range is from 3 to 65536. Time interval, in seconds, between the last keepalive message and declaring the router dead. The default is 180 seconds.
  • Configure timer values for all neighbors. CONFIG-ROUTER-BGP mode timers bgp keepalive holdtime
    • keepalive : the range is from 1 to 65535. Time interval, in seconds, between keepalive messages sent to the neighbor routers. The default is 60 seconds.
    • holdtime : the range is from 3 to 65536. Time interval, in seconds, between the last keepalive message and declaring the router dead. The default is 180 seconds.
To view non-default values, use the show config command in CONFIGURATION ROUTER BGP mode or the show running-config bgp command in EXEC Privilege mode.

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