Solution for peer to peer VPN using the same IP

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Solution for Peer to Peer VPN using the same IP range.

Q: In our office, we are using IP 192.168.0.0/24. My boss has a home network using 192.168.0.0/24. I have created a XP VPN for him to access his XP computer. He can establish the VPN, but can't access the computer in the office. How can I fix it?

A: In most cases, if both sites are using the same IP range, the router route the traffic locally. So, he can't access the office computer even he establishes the VPN. You may have some options as below.

1. Modify the routing table - Peer to peer route via VPN connection or Resolution for VPN server and client using the same IP range

2. Setup IPSec VPN - VPN using same ip in the different subnet

3. You may setup a different IP range or subnet for peer to peer VPN. For example, in your case, you can use IP 172.16.5.1 for the VPN host and 172.16.5.2 for the VPN client so that the client can access host using 172.16.5.1.