Understanding VPN

Hi all,

I'm experimenting with a basic VPN. Here are some specifics:

Office side:

- Office router is an Asus A66U that has VPN built-in. I understand that this is probably not the best or safest long-term solution.
- Router address is, and it's acting as the DHCP server.
- In the VPN setup, it's suggesting that the Client IP address pool be  (note the "10", and not "1"). Here is snapshot:

I'm using the Windows 7 built-in VPN client to connect, and it seems to be working. But I guess my first question is, why is it suggesting a pool in the 192.168.10.xxx range, and not 192.168.1.xxx range like the rest of the computers in the office pool? Shouldn't the VPN client range also be in the 192.168.1.xxx range?
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Thomas GrassiSystems AdministratorCommented:
You do not want your VPN addresses intermingling with your local lan addresses

You setup your firewall settings in the router to allow / disallow access to the local lan
Go-BruinsAuthor Commented:
Thanks. So help me understand the nuts and bolts of VPN:

When I connect to the office VPN, what happens? My home computer gets assigned an IP address in the 192.168.10.xxx range? But it can still communicate with the office computers that are in the 192.168.1.xxx range?

So what's really important are the first two subsets of numbers: "192.168"?
Thomas GrassiSystems AdministratorCommented:

This may help you


On your home computer do a tracert  what happens?

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Go-BruinsAuthor Commented:
Thank you.
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Windows Server 2012

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