Routing problem with a WRT54gs connected to a wired network

Discussion in 'Networking Issues' started by ddufour, Nov 15, 2007.

  1. ddufour

    ddufour LI Guru Member

    Hello !

    Here's my problem :

    We have a wired BEFSR41 V3 with IP address A DSL modem is connected to its LAN port.

    There is two 24-ports switches connected to the BEFSR41.

    To add wireless network connectivity to our new offices in the next building, I've added a 150' network cable going from one of the switch to our other office. In the new office I added a WRT54GS v7 with WAN address
    Its LAN address is with a DHCP server and WEP security.

    Three computers are using the WiFi connexion. It is working fine, Internet access is working fine, and all computers in the network can ping and access any
    device in the network.

    But the reverse is not working. From any computer in the network, I cannot ping anything in the network. Tried many things to get the routes working but it all failed. I'm able to ping the (WAN address for the WRT) but cannot telnet, etc..

    Any suggestion ? Thank you !
  2. mstombs

    mstombs Network Guru Member

    Your users behind the WRT54GS are protected by its NAT firewall, they can initiate connections only, but the BEFSR41 only sees the one IP address for the WRT54GS. Those users will also suffer double NAT connections to the outside world. I'd recommend you use all in the same subnet. Connect to a LAN port on the WRT54GS, turn off its dhcp and upnp etc just use it as an access point.

    Really not too sure how well this would work or if the BEFSR41 really up to the job!
  3. ddufour

    ddufour LI Guru Member

    Thanks, I'll try that and give you some news !
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