----- Original Message ----- From: "Shashank Khanvilkar" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, October 04, 2003 1:22 AM Subject: Recipe for Setting up VPN uising L2tpd
> > http://mia.ece.uic.edu/~papers/volans/l2tpd.html > > Comments appreciated. > Shank your mtu/mru settings need to be adjusted 1500 is too big, even for ethernet. most dsl services limit themselves to 1412, so you need to go (1412 - l2tp header) as a maximum mtu size. (rp-pppoe does this for sure) i'd prolly suggest an even number, about 1340 for safety. i personally lock all tunnels to mtu 1100 and use iptables to lock net traffic to 1000 bytes. iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1000 this is my experience anyhow. Thanks Tim Warnock ISP Technical Manager GetOnIt! Nationwide Internet. 1300 88 00 97 timoid (at) getonit.net.au
