Date: Tue, 7 Sep 2004 13:13:40 -0400 From: Charles Swiger <cswiger@mac.com> To: "R. W." <list-freebsd-2004@morbius.sent.com> Cc: freebsd-questions@freebsd.org Subject: Re: MTU Blackhole problem? Message-ID: <435CA6EA-00F1-11D9-A3E8-003065ABFD92@mac.com> In-Reply-To: <200409071246.38674.list-freebsd-2004@morbius.sent.com> References: <200409071246.38674.list-freebsd-2004@morbius.sent.com>
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On Sep 7, 2004, at 7:46 AM, R. W. wrote: > I'm guessing that this is a path MTU discovery blackhole, since if I > set > sysctl net.inet.tcp.sendspace=400 the problem goes away. (I presume > that net.inet.tcp.path_mtu_discovery: 1 means that path MTU discovery > is already turned-on by default.) > > What the correct way to deal with this? Should I just play around with > net.inet.tcp.sendspace? Try "ifconfig en0 mtu 512"; replace en0 with the name of your NIC. [ Try different MTUs, too. ] -- -Chuck
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