Date: Mon, 17 Nov 2003 11:46:17 +0100 From: Andre Oppermann <oppermann@pipeline.ch> To: "George V. Neville-Neil" <gnn@neville-neil.com> Cc: freebsd-net@freebsd.org Subject: Re: Path MTU growth in TCP? Message-ID: <3FB8A6F9.25FF1BF3@pipeline.ch> References: <877k1zjv81.wl@jchurch.neville-neil.com.neville-neil.com>
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"George V. Neville-Neil" wrote: > > Howdy, > > I was wondering if PMTU ever tries to grow the MTU of a > connection after a time? I.e. if the path changes it might > change away from one where the MTU was particularly small. It doesn't try to that in the strict sense. It only starts over again if the cached entry (currently in routing and soon in tcp hostcache) expires. But it only expires when there is not using it for a certain amount of time. -- Andre
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