On Mon, 15 Sep 2014 20:22:25 +0200 Jens Hansen <[email protected]> wrote: > Thank you for your response. I've investegated a little further, I see the > following in /var/log/messages on the l2tp npppd server: > l2tpd ctrl=1 timeout waiting ack for hello packets. > l2tpd ctrl=1 call=28732 logtype=PPPUnbind > > The client reports that the tunnel went down.. does this indidacte an > mss/mtu issue? I've tried scrub on pppx and to set mru i npppd.conf ...no > luck...
That log message indicates L2TP keepalive is failed. The client didn't respond for long time. --yasuoka
