On 26 September 2013 10:54, Keith Owens <[email protected]> wrote: > On 26/09/13 10:48, Toby Corkindale wrote: >> However for some reason path MTU discovery has completely broken when >> using the newer modem. >> The primary Linux box is fine, but all clients (whether wired, >> wireless *or even virtual*) fail to work unless I manually set their >> interfaces to an mtu of 1492. > > Wild guess - TCP/UDP offload is generating bigger segments because the > new modem accepts offload. On the interface that connects the server to > the modem, issue > > ethtool -K <interface> tso off > ethtool -K <interface> uso off > ethtool -K <interface> gso off
Interesting theory. Tested, no change though. _______________________________________________ luv-main mailing list [email protected] http://lists.luv.asn.au/listinfo/luv-main
