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 From:  "Josh Simoneau" <jsimoneau at lmtcs dot com>
 To:  <m0n0wall at lists dot m0n0 dot ch>
 Subject:  Accessing Remote Networks Through VPN
 Date:  Sat, 24 Jun 2006 01:43:44 -0400
Greetings,

Reading some other posts, I couldn't find a definite resolution to this.

We have a number of remote offices connected to our central office
through IPSEC vpn's. Each of these remote offices has a unique subnet.
At the central office, however, we have a few subnets. The m0n0wall at
the central office is directly connected to one of these subnets, and
has static routes pointing to our Cisco 3500 switch which has the other
subnets on it as VLANs.

Here is a diagram:

192.168.10.x---Remotem0n0---Internet---Centralm0n0---10.0.0.x---Cisco350
0 (10.0.0.5, 10.0.1.5, 192.168.25.5) --- Other Servers On Cisco3500
Subnets

Since the central office m0n0wall shares one of the same subnets as the
Cisco 3500, it can access the other private subnets on the Cisco via
some static routes I put on it.

What I need is for users on the remote m0n0walls (In this case
192.168.10.x clients) to access subnets on the Cisco 3500 that are not
local to the central m0n0wall. I've tried some static route
experimentation but nothing seems to work, possibly I am using the wrong
gateway. The 192.168.10.x network is VPN'd to the 10.0.0.x network. 

Many Thanks,
Josh