does the VPN/firewall device have routes in it to the other subnets. (route
print under NT, or show ip route under IOS)
under 2000 there's a check box under tcpip properties-advanced-networking
that says use default gateway on remote network or somesuch. is that
checked?
-Original Message-
From: Jason Gauthier [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, September 25, 2001 10:09 AM
To: NT System Admin Issues
Subject: VPN routing
This is a somewhat involved problem, so I'll try to give as much detail as
possible to help paint a picture.
We've got several internal subnets. (i.e., 192.168.1.x, 192.168.2.x,
192.168.3.x and so forth)
We have a firewall device terminating the VPN connections. The pool of IP
addresses assigned for this are in our primary subnet. (192.168.1.x).
By default, the W2k PPTP client adds a route to the network your VPN device
is assigned. So, now all traffic destined for 192.168.1.x via the VPN
connection works great.
However, any communications to the other subnets will try and find their way
using my default route. My ISP.. and they won't get anywhere.
I can remedy this problem manually pretty easily:
ipconfig /all
get IP address of VPN interface
route add 192.168.0.0 MASK 255.255.0.0 [ip address of VPN interface]
However, This is not a sufficient task to ask my remote end users.
I'm looking for a way to automatically execute this command after the VPN
connection is established.
Even a batch file they can run manually would be acceptable.
The problem I've run into, is that Windows does not have very advanced text
handling routines as commands. So stripping the IP address from ipconfig to
save into a variable is nearly impossible.
Thoughts, ideas, suggestions?
Jason
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