[Openswan Users] Problem with openswan and roadwarrior on the same subnet

Tommaso Di Donato el.dido at tiscali.it
Fri Oct 15 11:52:42 CEST 2004

Hi to all.
Sorry, I lurked a lot to find an answer to my problem... But I'm still in
a mess.
I would like to use a linux box as a firewall/vpn box just to protect a
wireless lan;
wireless clients are WinXPs with ssh sentinel
this is the basic scheme
____         ___________            ___________         __________
LAN |------ | firewall/vpn |-------- |Access Point | ----- | Notebook |

My problem is that "external" interface of openswan is in the same subnet
of APs and notebook! i.e:
VPN int:
VPN ext: (/24)

I tried a lot, but it doesn't work! With tcpdump, when i ping a LAN pc from
a laptop,
I can see that each packet arrives crypted but also in clear! I can immagine
my vpn box can't forward replies because the client is on the same subnet.

If i use another pc in the LAN as a vpn concentrator (so in another subnet),
everything works.
Any hints?
thxs in advance


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