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MS RRAS VPN - need to route the VPN network to private network

Posted on 2010-11-22
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Last Modified: 2012-08-13
Here are our network settings:
Office Network
10.1.40.0/24

VPN IP Pool
10.20.40.1 – 10.20.40.100

We are running out of IP addresses in the 10.1.40.0/24 network and would like to have a separate pool for VPN users.  How do I get the VPN pool to access our private network?

We are using MS RRAS and I have the following settings:
General
Internal 10.20.40.1
Local Area Connection 10.1.40.216
Loopback 127.0.0.1

No NAT

Thanks in advance!
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Question by:scottvin
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Expert Comment

by:Qlemo
ID: 34192541
Since both networks are disjunct, you need to allow for routing. First, enable routing the RRAS settings.

If the RRAS server is your default gateway, you should not need to do anything on the 10.1.40.0/24 network. Else your default gateway should have a route for the VPN pool addresses with RRAS server as gateway.

The RAS clients however have to decide whether they allow for "Use remote gateway", which sets the default gateway to the RRAS server, or manually set a route for the 10.1.40.0/24 network by calling
route add 10.1.40.0 mask 255.255.255.0 10.2.40.1

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Author Comment

by:scottvin
ID: 34197859
I already allowed routing and the test client is set to "use remote gateway" but I am still unable to access anything on the 10.1.40.0/24 network.  

If you are talking about the default gateway for the 10.1.40.0/24 network workstations, it is 10.1.40.2.

If you are talking about the VPN clients, you cannot enter a default gateway when using VPN.

Could there be a problem because I don't have two NICs in this machine?
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Accepted Solution

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Qlemo earned 500 total points
ID: 34198004
I'm talking about the LAN (10.1.40.0). The default gateway 10.1.40.2 needs to have a route to 10.20.40.0/24 via 10.1.40.216
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Author Comment

by:scottvin
ID: 34198393
ahhhh... thank you, I didn't even think of adding a route on the Sonicwall firewall
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Author Closing Comment

by:scottvin
ID: 34198399
thanks for pointing me in the correct direction!
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