From: Florian Westphal <f...@strlen.de> Date: Sat, 11 Jul 2015 01:56:49 +0200
> sometimes tcp connections seem to hang. > tcpdump shows broken path mtu reports. This "fix" avoids hang and gives: > > [633.327834] icmp: 192.0.0.2 reports mtu 1474 for packet size 1474 to host > 204.236.132.12 > [635.586945] icmp: 192.0.0.2 reports mtu 1474 for packet size 1474 to host > 54.219.255.254 > [647.106708] icmp: 192.0.0.2 reports mtu 1474 for packet size 1466 to host > 204.236.132.12 > [663.084586] icmp: 192.0.0.2 reports mtu 1474 for packet size 1466 to host > 54.219.255.254 > > sigh. > > Signed-off-by: Florian Westphal <f...@strlen.de> > --- > Might be caused by DS-LITE. I either need the turd below or iptables TCPMSS > mangling rules to artificially lower received mss. > > I don't mind if this is rejected; I'm mostly wondering if anyone > else came across suprise like this. I think the culprit should be identified and fixed ASAP, the last thing we want is for every system add a hack like this. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
