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VPN users cannot access subnets

Posted on 2004-08-19
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Last Modified: 2010-04-12
Background:
We have a network that consist of two subnets 192.168.0.x and 192.168.1.x.  Cisco routers at the 0.1 and 1.1 positions.  The firewall is managed by the ISP as are the routers.  We are in the process of moving our servers and users from the 0.x to the 1.x network (the 1.x is a new building location).  We are using RRAS on the 0.x and our users would VPN in and are able to access all network resources - including those that we had moved to the 1.x network (exchange server).

The VPN server has an external IP address that is mapped on the ISP's routers.

Problem:
We just moved the RRAS server to the 1.x network (picked it up, moved down the block, changed the IP address and turned it back on, ISP changed the external mapping to reflect new internal IP address)- our users can still VPN in with no problem - HOWEVER they can no longer access anything by name.  The DNS server is located on the 0.x network.  They can PING all addresses on the 1.x network - but cannot ping anything on the 0.x network.  The RRAS server can ping the entire network.  In addition, they can no longer "surf" the web if they are connected to the VPN server.

Our ISP has done everything they can and declares that there is nothing at the routers (0.1 and 1.1) or firewall that could be blocking this.  We have since reinstalled RRAS on that server using the old settings and reinstalled using the default settings and still no luck.  

HELP!!
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Question by:blackghosts
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Accepted Solution

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grblades earned 500 total points
ID: 11841187
I would check that you have the correct routing defined on the router and the RRAS server.
In particular if the RRAS server allocates IP addresses to the remote clients make sure the routing for this network range is correct.
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Expert Comment

by:lrmoore
ID: 12154529
Are you still working this? Do you need more information?

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Author Comment

by:blackghosts
ID: 15242478
Yes the information helped - I simply had forgotten that we posted the question until our new one posted today.
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