[vpn-help] multiple connections

[Matthew Grooms]

On 9/17/2010 8:32 AM, Scott Zech wrote:
> Hello to all and thanks in advance for your help.
> Relative newbie to shrew and vpn's in general.
>
> Here's The issue I'm facing.
>
> I have a pfsense firewall running ipsec - preshare key setup
>
> I have 4 remote users using shrew client release 2.1.6 on windows xp
> workstations.
>
> 2 of the users are at individual remote sites. Client is configured with
> ufqdn and ip address is set using virtual adapter and specify the
> settings (i.e. 192.168.200.1 nm 255.255.255.0) The use a soft phone
> device and use a phone at home. Works GREAT. Figured out how to
> autostart the client on startup and they are thrilled. (donation coming
> for the shrew client BTW :))
>
> Here's the issue. The other 2 users are at a remote location that they
> share. They are both behind a junker linksys natting router sharing a
> single public ip address. I configured both users shrew client as I did
> the others with unique identifiers, key, etc.
> When I connect the first user, works great, pings successful.
> When I connect the second user, works great, pings successful, but it
> causes some type of packet loss on the first user, until I
> disconnect/reconnect. Then the first user works again, but the second is
> disconnected. Rinse/Repeat.
>
> After looking at the logs, it appears that racoon on the pfsense side is
> getting confused because it sees the remote public ip address of that
> linksys router and doesn't see that there are multiple tunnels trying to
> be established.
>
> Any ideas on resolution?
>

Please have a look at this post.

http://lists.shrew.net/mailman/htdig/vpn-help/2010-September/003007.html

-Matthew