On Mon, 2009-06-29 at 20:13 -0700, Peter Crawford wrote: > From: ben@decadent.org.uk > Date: Mon, 29 Jun 2009 22:21:02 +0100 > > ... probably a firewall misconfiguration. Make sure you're > > allowing ICMP messages out to the client so that PMTU discovery can > > work. > > Well the non-Linux client is incapable of PMTUD. Then you'll need to configure the local link with an MTU of 576. > Can the Linux router operate so that it simply sends > datagrams to the client without involvement of PMTUD? I don't understand. I thought the problem was that some of the client's *outgoing* packets were being dropped due to exceeding the MTU on the WAN link and being non-fragmentable. You can fix that by lowering the MTU between client and remote systems; either by PMTUD or by changing it on the local link. Ben. -- Ben Hutchings When you say `I wrote a program that crashed Windows', people just stare ... and say `Hey, I got those with the system, *for free*'. - Linus Torvalds
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