[c-nsp] BGP KEEPALIVE maximum frequency

Pete Templin petelists at templin.org
Sat Dec 4 18:23:12 EST 2010


On 12/4/10 9:38 AM, M. V. wrote:

> as i said, RFC4271 says: router should send first KEEPALIVE when goes from
> "OpenSent" to "OpenConfirm". then when first KEEPALIVE of its peer is recieved,
> it goes to "Established" state, and starts its KeepAlive-Timer(default=60s).  so
> the next (2nd so far) KEEPALIVE message has to be sent after 60 seconds.
> but what i see is: routers send first KEEPALIVE when they go from "OpenSent" to
> "OpenConfirm". and then send 1 or 2 (usually 2) KEEPALIVEs immediately after
> they go to Established state.
> plus,  RFC4271 says: "KEEPALIVE messages MUST NOT be sent more frequently than
> one per second" which happens here. so, i wanted to know, why they behave like
> this.

I see that you're "bored to death", but is it really essential to be the 
RFC police on an operations list?

Is it breaking anything for you?

pt


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