[Openswan Users] Multiple connection problems

Jacco de Leeuw jacco2 at dds.nl
Thu Jun 23 20:34:45 CEST 2005

Oliver Tomkins wrote:

> We have two client machines.  Which ever of the remotes machine makes 
> the first connection has no problems and is granted access as expected.
> When the second tries to connect the IPSEC tunnel goes up and we see 
> ISAKMP SA established.
> However we see *nothing* in /var/log/messages/ on the l2tp machine.

What about /var/log/secure on the Openswan box? Are there any error
messages? Can you post your ipsec.conf? Are you using separate
connection sections for your clients?

> Our l2tp configuration specifies a pool of 4 ip addresses that are 
> available to client machines on our internal subnet.
> Our clients are windows 2000 connecting through a firewall to an ipsec 
> box 

Is that firewall doing NAT, by any chance? Multiple clients behind
the same NAT router are currently not supported.

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

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