Date: 08 Aug 2001 13:26:57 -0500 From: Hal Snyder <hal@vailsys.com> To: freebsd-net@freebsd.org Subject: Re: gif MTU of 1280 ? Message-ID: <87wv4etnke.fsf@ghidra.vail> In-Reply-To: <5.1.0.14.0.20010808121005.04473600@marble.sentex.ca> References: <5.1.0.14.0.20010808101139.0277e010@marble.sentex.ca> <5.1.0.14.0.20010808101139.0277e010@marble.sentex.ca> <5.1.0.14.0.20010808121005.04473600@marble.sentex.ca>
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Mike Tancsa <mike@sentex.net> writes: > When using 1280 in a strict tunnel mode, I have problems with large > packets from certain sites. Broken PMTU somewhere ? Not sure, but > setting the MTU to 1500 seemed to fix it. See rfc2923, if you haven't already. (I have seen problems if a router caches a path with shorter MTU - say 1280 - than what the interface is configured with - say 1500 - but that was on netbsd - posted on tech-net early this month). To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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