[Openswan Users] L2TP/IPSEC over PPP: IPSEC established, no traffic over ipsec0

[Paul Wouters]

On Fri, 14 Nov 2008, Eduan Basson wrote:

> Nov 13 14:39:49 debug xl2tpd[426]: check_control: Received out of order 
> control packet on tunnel 0 (got 1, expected 0)
> Nov 13 14:39:49 debug xl2tpd[426]: handle_packet: bad control packet!
> Nov 13 14:39:50 debug xl2tpd[426]: network_thread: select timeout
> Nov 13 14:39:50 notice xl2tpd[426]: Connection established to 
> 196.211.225.229, 1701.  Local: 27481, Remote: 2 (ref=0/0).
> Nov 13 14:39:50 notice xl2tpd[426]: Calling on tunnel 27481
> Nov 13 14:39:50 debug xl2tpd[426]: check_control: Received out of order 
> control packet on tunnel 2 (got 0, expected 1)
> Nov 13 14:39:50 debug xl2tpd[426]: handle_packet: bad control packet!
> Nov 13 14:39:51 debug xl2tpd[426]: check_control: Received out of order 
> control packet on tunnel 2 (got 0, expected 1)
> Nov 13 14:39:51 debug xl2tpd[426]: handle_packet: bad control packet!
> Nov 13 14:39:51 debug xl2tpd[426]: network_thread: select timeout
> Nov 13 14:39:51 debug xl2tpd[426]: network_thread: select timeout

Not sure what is going on there. Did you try setting the interface mtu
on the ipsec gateway to something lower, eg 1472?

Paul