Multi-homed clients and BGP timers

Danny McPherson danny at tcb.net
Mon May 25 13:18:47 CDT 2009


On May 25, 2009, at 11:33 AM, Florian Weimer wrote:

> * Iljitsch van Beijnum:
>
>> 30 60 isn't a good choice because that means that after 30.1  
>> seconds a
>> keepalive comes in and then after 60.0 seconds the session will  
>> expire
>> while the second one would be there in 60.1 seconds.
>
> Wouldn't the underlying TCP retry sooner than that?

I suspect that given update messages serve as implicit
keepalives, it's _extremely rare that an actual keepalive
message is needed in global routing environments.

-danny





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