Re: Problems using IPMASQ with PPPOE
Dan Christensen <jdc@uwo.ca> writes:
> "Philip Bubel" <philip@bubel.com> writes:
>
> > I am having problems using IPMASQ with PPPOE. I'm running kernel 2.4.3 with
> > the latest potato packages of IPMASQ and PPPOE, and the kernel is complied
> > correctly (I think). I am able to use PPPOE no problem, as the Linux box can
> > connect to the internet, however none of the machines behind the firewall
> > can.
>
> With pppoe, there are problems with mtu sizes being mismatched which
> cause the connection to freeze. Running the following (one line)
> after the other rules are added fixes this for me:
>
> iptables -I FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS
This line got truncated. The last part should read
--clamp-mss-to-pmtu
> See
>
> http://www.hgfelger.de/mss/mss.html
>
> for more information.
>
> Dan
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