Monday, 26 September 2016

How to Fix - dedicated link site to site VPN through TMG 2010?

dedicated link site to site VPN through TMG 2010

HI
I administer a network in company that have two sites in two different cities and has linked them up through a dedicated VPN/Leased line connection. 
In each site there is a TMG 2010 Firewall and a Cisco router that is attached to the VPN connection.
Site one ip addressing schema is as follows : 192.168.20.0/24 internal network.
Site One VPN Router : 192.168.20.19
Site One TMG 2010 internal Connection IP : 192.168.20.222
Site two ip addressing schema is as follows : 192.168.1.0/24  internal network
Site Two VPN Router : 192.168.1.158
Site Two TMG 2010 internal connection IP : 192.168.1.1
Computers at both sites are configured with their respective ISA's as their Default Gateways.
Now, when I add a static route on computer on each company site for the other site IP Subnet mask to go through the VPN router, everything works fine.
I can ping the other computer, share files with it just like i do with a computer in my internal network,
and remote desktop to it as well.
I don't want to use the stating routing methods to activate the VPN connection, I want to do it through the TMG 2010 servers by putting an access rule, and assigning a a network route.
I also added each site's IP subnet mast to the other's  TMG internal
network address range.
When I do that, I can ping from any computer to any other in the other site, and even I can share files and remote desktop from one TMG 2010 server to the other, but not from an internal PC in one site to another internal one in the
other site.
That is, I can't remote desktop and share files and resources from an internal PC through the TMG 2010 to another internal PC through the other site's TMG.
I can only ping.
Even though I added a network route on each TMG server for the VPN router and
an access rule ALLOWING ALL OUTGOING TRAFFIC BETWEEN THE INTERAL NETWORK.
 Please help.

Anwsers to the Problem dedicated link site to site VPN through TMG 2010

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