[Openswan Users] Multiple Windows XP SP2 behind NAT with NAT-T support

[Jacco de Leeuw]

Chih-Kung Wang wrote:

> (1) This is a case of L2TP over PSK-based IPsec. OpenSwan 2.4.9 and
> xl2tpd 1.1.11 are used.
> (3) User B secondly tries to connect but fails.
> (4) If user A and user B are not under the same NAT, both can connect to
> OpenSwan successfully.

This is a known problem in Openswan:
http://www.jacco2.dds.nl/networking/openswan-l2tp.html#NAT-multiple-clients

Paul Wouters of the Openswan team mentioned something about an
announcement but I have not seen it yet:
http://lists.openswan.org/pipermail/users/2007-September/013069.html

Jacco
-- 
Jacco de Leeuw                         mailto:jacco2 at dds.nl
Zaandam, The Netherlands           http://www.jacco2.dds.nl