Basic Windows XP networking with WRT54G

Discussion in 'Cisco/Linksys Wireless Routers' started by Liver, Sep 28, 2004.

  1. Liver

    Liver Network Guru Member


    Sorry if this has been posted, but I have looked and could not find it anywhere. It is a basic question, but I do not know.

    I am trying to network two PCs together at home. Both are running Win XP professional and are fully updated with XP and bios. Both are connected to the WRT54G via cable. I have the wireless aspect of the router disconnected (for now).

    The WRT54G has the Sveasoft 4.0 firmware loaded. Both computers can see the internet with any problems. Both computers can see each other, but no files can be shared. VNC does not see the network.

    I want to eliminate the WRT54G as a possible problem. How do I open traffic between both computers? How do I allow information from the computers IP address to pass to the other computer and vice versa without being blocked (if it is being blocked by the WRT54G)?

    I know WinXP with SP2 could be the problem, but I want to eliminate the router as a source first.

  2. ImprezaDude

    ImprezaDude Network Guru Member

    Disable the fw in XP. SP2 enables it by default.

  3. cabo

    cabo Network Guru Member

    The WRT54GS doesn't block the internal traffic, it works as a switch in that case.

    >Disable the fw in XP. SP2 enables it by default.

    Only do this for testing; read the Firewall help on how to open specific internal ports.
    there should be like "File and printer share" in the "Exceptions" tab of the WindowsXP SP2 Firewall; edit it, and change the subnet to your local net addresses.

    You also could use Zonealarm, which is free for private use. It allows you to set two Zones (internal and internet), which makes it easier. (Zonealarm also allows to block outgoing traffic of individual programs, which both the WRT54GS and the Windows Firewall don't do.)
  4. Liver

    Liver Network Guru Member

    Let me get this correct

    Just so I have it correct.

    So the router does not block any traffic, it acts like a switch?

    So my networking woes are software based? That is the problem as I see it. I have tried everything with Windows to get it to network. I just wanted to make sure that if I played with Windows, that it was not the router doing it.


  5. ImprezaDude

    ImprezaDude Network Guru Member

    The router is firewalling (NATing) and as long as you don't forward any traffic to your inside network from the Internet you shouldn't use a firewall on the PC's... At least if there's no risk that somebody plugs into your LAN and steals your data.. Whatever, the Router protects your internal network from the Internet.

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