[fw-wiz] VPN LAN to LAN

Krzysztof Pior chris.pior at inspiredbroadcast.net
Wed Sep 20 10:01:52 EDT 2006


On 20-wrz-2006, at 05:20, Anand Subramanian wrote:
> Hello All,

Hello

> The thing that really bothers me is that the existing configuration  
> will establish three VPN tunnels as follows.
>
> 1) 10.5.25.0 to 10.80.2.0
> 2) 10.5.25.0 to 10.80.1.0
> 3) 10.5.25.0 to 10.80.0.0
>
> I am hoping that there is a way out of this and I would be able to  
> route traffic from 10.5.25.0 to 10.80.1.0 with only one VPN tunnel  
> between 10.5.25.0 and 10.80.2.0
>
> I have searched all over the internet for any sample configuration  
> and I am not able to find it. There should be an easy way to do  
> this. Please help.
>
> PIX1 configuration
>
> object-group network Remote-Networks
>   network-object 10.80.2.0 255.255.255.0
>   network-object 10.80.1.0 255.255.255.0
>   network-object 10.80.0.0 255.255.255.0

The vpn tunnels are created between subnets and from the above you  
can see that you have a group of three /24 subnets and three tunnels.  
To have a one tunnel for all of them, you need to create a SA between  
single subnets: 10.8.0.0 255.255.252.0(/22) and 10.5.25.0  
255.255.255.0 (/24) but it will also "cover" the 10.80.3.0/24 subnet.

Kind regards

Chris.

PS
Apologies for the following disclaimer.

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