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TOPIC: problem with IAS

problem with IAS 11 years 8 months ago #18482

  • netbaba
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I have configured a VPN with a cisco 857 SDM, and i have installad IAS on a 2000 server, but the 2000 server cannot navigate on the external network... Any ideas?

Re: problem with IAS 11 years 8 months ago #18487

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Sorry gonna need a lot more detail then whats provided. Where is the Windows 2000 server ? Is the VPN Up and you cannot contact the Server ? Do you want to use the Windows 2000 IAS server with the VPN ? Etc...

Re: problem with IAS 11 years 8 months ago #18501

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Sorry gonna need a lot more detail then whats provided. Where is the Windows 2000 server ? Is the VPN Up and you cannot contact the Server ? Do you want to use the Windows 2000 IAS server with the VPN ? Etc...


the router is connected to a linux firewall. The other NIC of the firewall is connected to the LAN. The windows 2000 server is in the LAN. The VPN is up, but from the 2000 server I cannot access the external networks.

Re: problem with IAS 11 years 8 months ago #18503

You must have a different IP subnet at both ends of the VPN tunnel in order for the traffic to route across it. Don't get sidetracked with the networks in between; if the tunnel is up then they are not likely to be your problem

Re: problem with IAS 11 years 8 months ago #18505

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You must have a different IP subnet at both ends of the VPN tunnel in order for the traffic to route across it. Don't get sidetracked with the networks in between; if the tunnel is up then they are not likely to be your problem


I haven't understand... 2000 server is in 192.168.1.0/24, router in 192.168.2.0/24, and without the vpn configuration 2000 server can access the external network...

Re: problem with IAS 11 years 8 months ago #18511

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Sorry netbaba but i think people don't fully understand what you want due to a lack of information and details

Sahirh provided this sticky to cover asking questions so you can get a better response http://www.firewall.cx/ftopict-668.html .

I am still not fully understanding how its configured. You have a Cisco 857 SDM, you are establishing a VPN connection to your main corporate office through a linux firewall. What is the VPN head end device that the router is connecting the VPN to ?

Where is the 2000 IAS server located (is this IAS or ISA ?) ? Is this at the remote site with the 857 router or is this at the main corporate office ?

I am not too sure how much i will be able to help with this one but i am sure if you provide all the necessary details above someone else in the forum may be able to provide an answer that you are looking for.

Thanks
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