Date: Tue, 20 Aug 2002 08:25:05 -0700 From: Steve Francis <steve@expertcity.com> To: net@FreeBSD.ORG Cc: Steve Francis <sfrancis@expertcity.com> Subject: Re: MTU not working? Message-ID: <3D625F51.1080704@expertcity.com> References: <200208200045.g7K0jRN92144@arch20m.dellroad.org>
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In my case, IPSec is running on the routers, hence the tunnel MTU of 1420 bytes (allowing for GRE and IPSec in transport mode, with the particular transforms we run.) IPSec is not running on the FreeBSD machines. Archie Cobbs wrote: >Julian Elischer writes: > >>>This is reproducible at will, so we can collect whatever info anyone >>>wants. >>> >>Yes >>tcp needs to forget it ever sent that data, and refactor the entire >>transmit window. >> >>I'd agree this is a bug if it's reproducible by others too. >> > >"Me too"... > >I've seen this as well... FreeBSD simply ignoring the MTU >on an interface and sending 1500 byte packets anyway... > >This was on a -stable'ish machine of some sort (don't remember). >Could it have something to do with IPSec? That may have been going. > >-Archie > >__________________________________________________________________________ >Archie Cobbs * Packet Design * http://www.packetdesign.com > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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