Date: 26 Aug 2005 09:50:41 -0400 From: Lowell Gilbert <freebsd-stable-local@be-well.ilk.org> To: Bryan Buecking <bryan@vanten.com> Cc: freebsd-stable@freebsd.org Subject: Re: CVSup timeout Message-ID: <44mzn424em.fsf@be-well.ilk.org> In-Reply-To: <430D2527.1040004@vanten.com> References: <430C3858.4090501@vanten.com> <20050824112228.M82971@govital.net> <430D2527.1040004@vanten.com>
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Bryan Buecking <bryan@vanten.com> writes: > Chris Demers wrote: > > I have run into this myself in my own home network, what I have > > found that fixed it is I just adjusted the MTU on all my stations > > with problems to the size of the pppoe packet size. From the error > > try changing it to in your case 1454 and see if the error goes away. > > > Thanks, that did it. I tried adjusting my MTU before, but did not > consider the MTU of the FW; which happens to be set to 1450. So > setting the MTU of problematic machine to 1450, and not 1454, fixed my > issues. > > I guess the only other point worth mentioning is the fact that with > fbsd 4.11 works fine with an MTU of 1500. I'm not sure, but could > this have something to do with DF bit not being set correctly? Possible, but it may be more likely that a firewall is improperly dropping ICMP messages to break MTU discovery.
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