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

[Paul Wouters]

On Fri, 28 Sep 2007, Chih-Kung Wang wrote:

> (2) User A first initiate the L2TP/IPsec connection and the connection is
> established successfully.
> (3) User B secondly tries to connect but fails.
> (4) NAT device is an OpenWRT WhiteRussian RC5.
> (4) If user A and user B are not under the same NAT, both can connect to
> OpenSwan successfully.

This is a known issue. We have a patch (google for l2tp enhancement). But
the patch is in a private tree, that needs to be merged into the public
tree. Unfortunately, we are very busy right now and have no resources
available to do this work. If this is a high priority issue for you, please
contact me off list.

Paul