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keepalives (was: Re: Heartbeats (was RE: keepalives))
On Fri, 10 Dec 1999 14:06:27 EST you wrote
>
> Paul> How can you ping the remote end of an open TCP connection? Routers
> Paul> don't know anything about open TCP connections. There may not be a
>ny
> Paul> open TCP connections, of course...
>
> If you don't know about the TCP connections, then how did you open that
> TCP-only SA?
You have an SA for transient traffic whose protocol is TCP. You don't
have any of the TCP state for those connections. That resides on the hosts
behind you.
Dan.
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