[Openswan Users] windows xp sp2 nated and openswan+l2tp

[Paul Wouters]

On Mon, 4 Jul 2005, Mihai Costache wrote:

>    all my roadwarior windows xp are sp2ed and
> fixsp2vpn.vbs patched.
>    i can connect from any dialup or from any public ip to
> my openswan server .... but not from behind of any nat
> gateway (linux or not )

> Jul  4 19:15:45 server2 pluto[6884]: "roadwarior-l2tpd"[1]
> <ip_client_nated_gateway> #4: sent MR3, ISAKMP SA established
> Jul  4 19:15:46 server2 pluto[6884]: "roadwarior-l2tpd"[1]
> <ip_client_nated_gateway> #4: retransmitting in response to duplicate
> packet; already STATE_MAIN_R3
> Jul  4 19:15:48 server2 pluto[6884]: "roadwarior-l2tpd"[1]
> <ip_client_nated_gateway> #4: retransmitting in response to duplicate
> packet; already STATE_MAIN_R3
> Jul  4 19:15:52 server2 pluto[6884]: "roadwarior-l2tpd"[1]
> <ip_client_nated_gateway> #4: discarding duplicate packet -- exhausted
> retransmission; already STATE_MAIN_R3

there is a problem on the windows end. Check oakley.log

Paul