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What is VPN Peer IP Address and how do I set or locate it? Thanks.

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You need to include information about what your setup. What VPN software are you using? Also this should probably be asked on superuser.com – Caleb Apr 12 '11 at 14:52
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A point of a VPN is to tunnel traffic between two hosts, encrypting and encapsulating it before transmitting it. In this case the other host is known as a peer, since it's not a hierarchical relationship.

One necessary bit of information needed by the VPN software is the IP address that it's tunneling to, or the other end of the tunnel. The VPN software should be able to figure out the IP address of it's end of the tunnel automatically by virtue of it being a local interface.

So if you are setting up a VPN tunnel between yourself and a friend with publicly accessible IP 127.8.8.8 for example, you'd tell your VPN software the other end of the tunnel, or its "peer IP address" is 127.8.8.8.

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VPN can also be used to tunnel between sites or between routers, or from a host to a firewall (as is often the case with users at home connecting to the office). A VPN peer address will be the address of one of these devices.

BTW @ultrasawblade 127.8.8.8 is a loopback address (as are all 127.0.0.0/8 addresses), not a publicly accessible address.

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