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2 IPs, 2 Networks 3 Routers, 1 Modem

Discussion in 'Networking Issues' started by checkn, Nov 20, 2005.

  1. checkn

    checkn Network Guru Member

    Hi Everyone :)

    I recently added an additional WAN IP and am looking to make some use of it.

    I would like have two seperate networks with two seperate WANs coming through one modem.

    I have 1 BEFSR41 and 3 WRT54Gs sitting in front of me. So far I can not get the WAN IPs two be passed through the BEFSR41 to the WRVs. Could anyone give me some help with setting this up?

    Thanks :D
  2. 4Access

    4Access Network Guru Member

    The BEFSR41 does not support what you are trying to do. The easiest solution would be to connect a hub/switch between your modem and the two WRT's. The BEFSR41 could even be used. Simply disable the DHCP server in the BEFSR41 and then run a cable from your modem to a LAN port on the BEFSR41. Then run cables from the WAN ports on the WRT's to LAN ports on the BEFSR41.

    Alternately a WRT54G could do what you want if it were connected to your modem instead of the BEFSR41. Although it would require configuring the firewall rules from the command line to get it done.
  3. checkn

    checkn Network Guru Member

    Got that working by making the BEFSR41 act like a hub. :D

    Now I have a new issue: I need to add a WRV54G into the mix to add VPN.

    I would like to have

    |- BEFSR41
    |----------WRT1 =
    |----------WRT2 =
    ...............|------WRV =

    Should the WRV sit behind or in front of WRT2? What would the configuration be to make the two work correctly?

    What would the VPN settings be ( "local secure group", "remote secure group" etc.)?

    I really appreciate the help!
  4. 4Access

    4Access Network Guru Member

    Well I guess the first question should be why are you using both the WRV54G & the WRT54G...

    You could just do:

    |- BEFSR41
    |----------WRT1 =
    |----------WRV =

    My guess is because you want the additional features available in the WRT which means you'll need to put the WRV behind the WRT.

    The next question is what are you using the VPN features in the WRV for? Are you using the WRV to connect to an office network or do you want to allow incoming VPN connections from laptops etc...?
  5. checkn

    checkn Network Guru Member

    Thanks so much for your reply.

    I would like to use the VPN to be able to connect externally to my own network.

    Thanks :D
  6. DocLarge

    DocLarge Super Moderator Staff Member Member

    Should you remove one of the WRT's and replace it with a WRV54G, you'll need to make sure it (WRV) is connected via it's WAN port the same as the WRT (along with giving it a subnet that doesn't conflict with everything else).

    After that, should you need a copy of my "Quickvpn Setup Guide," shoot me a PM with your email address and I'll send you a copy.


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