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WRV54G - Loses connectivity to WAN port

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by yknivag, May 5, 2007.

  1. yknivag

    yknivag LI Guru Member

    Afternoon all,

    I've recently upgraded my WRV54G to firmware 2.39.02 and since then every day or so it just shuts down teh WAN port and loses connectivity to the outside world.

    It will route perfectly well on the LAN ports and all my local network still works, just nothing can get outside.

    It is connected through a DSL modem with a Static IP in exactly the same configuration as it has worked for several years on the old firmware.

    Never really had a problem with this router (despite all the negative reviews) I've found it extremely stable and reliable until now.

    Is it dying? Or is it something obvious that I have/haven't set in the config since I upgraded?

    The only way to restore connectivity is by a factory reset, which is rather time consuming :wall:

    Any ideas would be gratefully received...
     
  2. ifican

    ifican Network Guru Member

    Well i would dig around and find the old firmware version and reload it, if the problem goes away you know its the firmware, if not then the router might be getting toward its EOL.
     
  3. yknivag

    yknivag LI Guru Member

    Thanks ifican, that sounds like a good idea. Do you know where I can get the legacy firmware?

    Also I've been thinking whether this may be to do with how I have the LAN/WAN configured?

    I'm using 10.0.0.0/255.0.0.0 as my LAN. 10.0.0.1 is the DSL modem (and the WRV54G is set to 10.0.0.2) but the WRV54G's WAN is set to connect on a static IP with 81.174.xxx.yyy as it's IP and the same address for the gateway. Yet the modem is acting as a DHCP server also.

    I have read elsewhere this afternoon that there are issues when the LAN and WAN are on the same subnet.

    If I change the modem's address to 192.168.1.1/255.255.0.0 and then set the router to use this as it's gateway would that help?

    (There were fewer fields to use on the previous firmware for setting static IP so some of these settings are new since the upgrade).
     
  4. DocLarge

    DocLarge Super Moderator Staff Member Member

    I've got a question,

    is your modem in bridge mode? If not, your best bet is to set your modem to "bridge" mode and then set your WRV54G to "PPPoE" and input your xDSL credentials to the WRV54G (I've had to use this before). What I personally have noticed is that if you let your xDSL modem route traffic, it interferes with the router's ability to route packets, to include double nat'ing (xDSL modems that do not run in bridge mode sometimes have firewalls enabled also).

    Jay
     

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