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WRT54GX4 router LAN cannot communicate w/ WAN?

Discussion in 'Cisco/Linksys Wireless Routers' started by HaloXgamer, Feb 19, 2006.

  1. HaloXgamer

    HaloXgamer Network Guru Member

    I have read numerous posts with people having trouble connecting to the PC/Xbox360 with a Linksys router. I currently have a Linksys WRT54GX4 w/ matching wireless adapter [240mbs connection]. I have tried all the solutions posted on the faqs section, and also consulted Linksys support to include MS support but still no communication with the two devices. The xbox360 is hardwired to the router on [DMZ] and the Media Center is wireless with no antivirus /or firewall installed, both devices can access the internet, and the Media Center PC detects the Xbox360 but the Xbox360 cant find the pc. Such a strange problem, both devices have proper IP/DNS, and on the same subnet. It appears that the LAN section cannot communicate with the WAN.

    After numerous testing, I found something very interesting, on this router you can assign /or clone the MAC address of a PC. So I decided to clone the MAC address of the Xbox360, what do you know, I can now communicate with the Media Center PC with great signal and speed with streaming music/ video. Lets not hurry to celebrate, While I have connection with the PC, I now have lost internet connection on both devices.

    I dont have an IT degree, so can someone explain this new found issue/resolution to me? What can I do to fix the problem and have internet connection while maintaining communication with both devices.

    Thank you in advance.
  2. HaloXgamer

    HaloXgamer Network Guru Member

    After further investigation:

    I believe the problem is in the automatic DNS setup with Linksys routers. When the Xbox is wireless it should have the internet providers DNS. However when connected hardwire to the LAN side it should have the DNS of the router []. I am not sure how to correct the problem?

    Anybody have any ideas?
  3. Mothra

    Mothra Network Guru Member

    I have been having the exact same problem as you with my WRT54GS (v2).

    If what you say above is true, then simply set the Xbox 360 to have a fixed IP address and set DNS to the same as your default gateway. All of this can be done in the System->Network Settings on the Xbox 360 itself.

    I can't try this myself as I am at work.

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