VPN - Basic Setup Question

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by soslink, Jan 10, 2008.

  1. soslink

    soslink LI Guru Member

    Our VoIP provider is going to be setting up a site-to-site IPSec VPN to connect our remote office to our main office. We are told that the routers they are using are the VPN endpoints -we think they are RV082s. Here is the current network structure:

    Main Office:

    Static IP from cable company
    Windows 2003 Server - 1 NIC -DHCP server
    LAN: 192.168.1.xxx

    Remote Office:

    Static IP from DSL/phone company
    No Server
    Using Thin-clients only
    TCP/IP-based printers


    What would be a good IP Address range for the remote site? The router would be the DHCP server. So, could the addresses also be: 192.168.1.xxx like the remote office or do they have to be something like: 192.168.2.xxx? Or 10.10.10.xxx?

  2. sterner

    sterner LI Guru Member

    I would leave the main office as 192.168.1.xxx and make the remote office as 192.168.2.xxx. The VPN tunnel will not setup if both endpoints have the same IP subnet.
  3. soslink

    soslink LI Guru Member

    Thanks. That's what we thought.
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