[Openswan Users] Call-Disconnect-Notify(14), pppd fails

[Paul Wouters]

On Tue, 7 Dec 2010, Mark Williams wrote:

> On doing:
> root # echo "c tf-tunnel" > /var/run/xl2tpd/l2tp-control
>
> Logs say:
> Dec  7 00:40:19 linux xl2tpd[17346]: Calling on tunnel 34585
> Dec  7 00:40:19 linux xl2tpd[17346]: control_finish: message type is
> (null)(0).  Tunnel is 4541, call is 0.
> Dec  7 00:40:19 linux xl2tpd[17346]: control_finish: sending ICRQ
> Dec  7 00:40:20 linux xl2tpd[17346]: control_finish: message type is
> Incoming-Call-Reply(11).  Tunnel is 4541, call is 60417.
> Dec  7 00:40:20 linux xl2tpd[17346]: control_finish: Sending ICCN
> Dec  7 00:40:20 linux xl2tpd[17346]: Call established with
> 63.41.105.34, Local: 61173, Remote: 60417, Serial: 2 (ref=0/0)
> Dec  7 00:40:20 linux xl2tpd[17346]: start_pppd: I'm running:
> Dec  7 00:40:20 linux xl2tpd[17346]: "/usr/sbin/pppd"
> Dec  7 00:40:20 linux xl2tpd[17346]: "passive"
> Dec  7 00:40:20 linux xl2tpd[17346]: "nodetach"
> Dec  7 00:40:20 linux xl2tpd[17346]: ":"
> Dec  7 00:40:20 linux xl2tpd[17346]: "refuse-pap"
> Dec  7 00:40:20 linux xl2tpd[17346]: "auth"
> Dec  7 00:40:20 linux xl2tpd[17346]: "require-chap"
> Dec  7 00:40:20 linux xl2tpd[17346]: "name"
> Dec  7 00:40:20 linux xl2tpd[17346]: "mark"
> Dec  7 00:40:20 linux xl2tpd[17346]: "debug"
> Dec  7 00:40:20 linux xl2tpd[17346]: "file"
> Dec  7 00:40:20 linux xl2tpd[17346]: "/etc/ppp/options.l2tpd.cf"
> Dec  7 00:40:20 linux xl2tpd[17346]: "/dev/pts/2"
> Dec  7 00:40:20 linux pppd[18594]: pppd 2.4.5 started by root, uid 0
> Dec  7 00:40:20 linux pppd[18594]: using channel 9
> Dec  7 00:40:20 linux pppd[18594]: Using interface ppp10
> Dec  7 00:40:20 linux pppd[18594]: Connect: ppp10 <--> /dev/pts/2
> Dec  7 00:40:20 linux pppd[18594]: sent [LCP ConfReq id=0x1 <mru 1410>
> <asyncmap 0x0> <magic 0x1707b6f2> <pcomp> <accomp>]
> Dec  7 00:40:20 linux xl2tpd[17346]: control_finish: message type is
> Call-Disconnect-Notify(14).  Tunnel is 4541, call is 60417.

The other end is hanging up? Look in the logs there. I do see your mru being
1410. I'd recommend using 1200. Remember this can be PPPinL2TPinIPSECinUDP(over PPPOE)

The stock options.xl2tpd does in fact, set it to 1200 :P

Paul