On 26/09/13 11:27, Toby Corkindale wrote: > On 26 September 2013 11:21, Keith Owens <[email protected]> wrote: >> On 26/09/13 11:19, Toby Corkindale wrote: >>> Well, putting this iptables rule at the head of my FORWARD chain >>> solves the problem: >>> iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS >>> --clamp-mss-to-pmtu >>> >>> I still have absolutely no idea why this worked fine on one router, >>> and fails on another though! >>> >> That only works for TCP, you will probably still have problems with >> large UDP transfers. > Indeed. I'd rather fix the root cause if it can be found.
Have you checked for large packets going between the server and the modem? That is, any packets > MTU. That is a sure sign of offload getting the way. _______________________________________________ luv-main mailing list [email protected] http://lists.luv.asn.au/listinfo/luv-main
