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I just remote connected to my PPTP VPN and did an &nbsp;IPCONFIG /all and my subnet is 255.255.255.255 as well. But I have no problems pinging anything on the other side of the VPN server etc.... <br />
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Make sure your lan subnet are not the same for eg 192.168.2.1 and on the other side you could have 192.168.3.1. If there both xxx.xxx.2.1 on both sides you have a problem. Also make sure the correct ports are open on the side that has the server running RRAS.<br />
<br />
Let me know...
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I just remote connected to my PPTP VPN and did an  IPCONFIG /all and my subnet is 255.255.255.255 as well. But I have no problems pinging anything on the other side of the VPN server etc....

Make sure your lan subnet are not the same for eg 192.168.2.1 and on the other side you could have 192.168.3.1. If there both xxx.xxx.2.1 on both sides you have a problem. Also make sure the correct ports are open on the side that has the server running RRAS.

Let me know...

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The PC I'm testing with is connected to one of my extra external IPs so it is definately not on the same subnet as my LAN. I'm beginning to suspect I don't have my rules configured correctly. 
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The PC I'm testing with is connected to one of my extra external IPs so it is definately not on the same subnet as my LAN. I'm beginning to suspect I don't have my rules configured correctly.

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Calculate your correct subnet <br />
<br />
<a href="http://www.t1shopper.com/tools/calculate/ip-subnet/" rel="ugc">http://www.t1shopper.com/tools/calculate/ip-subnet/</a><br />
<br />
Ded9
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Calculate your correct subnet

http://www.t1shopper.com/tools/calculate/ip-subnet/ [http://www.t1shopper.com/tools/calculate/ip-subnet/]

Ded9

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KCDean: you had it. I added the rule and all is well. Thanks, everyone, for the help.
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KCDean: you had it. I added the rule and all is well. Thanks, everyone, for the help.

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no problem glad to hear it's working <br />
Cheers
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no problem glad to hear it's working
Cheers

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I have set up PPTP VPN through a m0n0wall to windows 2003 server. The VPN connection works and authiticates perfectly. On the remote PC if I type ipconfig /all in a DOS box, everything is correct except the subnet which is 255.255.255.255 I can't access any machine on the 192.168 network even pinging.<br />
<br />
What have I missed? 
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I have set up PPTP VPN through a m0n0wall to windows 2003 server. The VPN connection works and authiticates perfectly. On the remote PC if I type ipconfig /all in a DOS box, everything is correct except the subnet which is 255.255.255.255 I can't access any machine on the 192.168 network even pinging.

What have I missed? 

RADIUS/VPN problem

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

Internet Protocol Security (IPsec) is a protocol suite for secure Internet Protocol (IP) communications by authenticating and encrypting each IP packet of a communication session. IPsec includes protocols for establishing mutual authentication between agents at the beginning of the session and negotiation of cryptographic keys to be used during the session. IPsec can be used in protecting data flows between a pair of hosts (host-to-host), between a pair of security gateways (network-to-network), or between a security gateway and a host (network-to-host). IPsec is an end-to-end security scheme operating in the Internet Layer of the Internet Protocol Suite.