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Internet Disconnections?

Discussion in 'Cisco/Linksys Wireless Routers' started by BenjyD, Dec 7, 2004.

  1. BenjyD

    BenjyD Network Guru Member

    I see from a few comments that people had trouble with some modems being disconnected when plugged into the WAN port on their WRT54G, but no real solutions.

    I have this problem: my new ADSL modem (DC-213) works fine in gateway and half-bridge mode when plugged into a switch or the LAN port on a computer, but when I try to use it in the WAN port of my Linksys, the linksys stops seeing the connection after 60-70 seconds. The modem still shows as connected to the internet, but the linksys just won't see it or renew its dhcp lease.

    I've tried several firmwares:

    2.02.7
    3.01.3
    Satori 4.0
    Satori 6.0rc1 (the wolf version, getting desperate here)

    rebooting, various combinations of powering on router/modem, different LAN cables, changing the DHCP server lease times on the router and the modem, using a static IP on the linksys and everything else I can think of, but nothing allows me to maintain an internet connection through the linksys for more than 70 seconds, whether the connection is idle or busy.

    Does anyone have any experience with this?
     
  2. Esquire

    Esquire Mesquire Staff Member Member

    How does the router achieve the broadband connection? Is it using PPPoE or Auto configuration? If you hook up your computer directly to the modem, do you need a PPPoE dialler to connect to the Internet?
     
  3. BenjyD

    BenjyD Network Guru Member

    ADSL

    The modem is connecting to plus.net using PPPoA Vc Mux. I've got the WRT54G set on "Automatic configuration". It gets all the correct data from the DHCP server on the modem initially - the IP, gateway and DNS numbers are all there.

    I don't use any other software to connect, and the modem stays connected for days at a time if I just plug it into the switch.

    I've changed the modem DHCP server's lease time from everything between one day and a week, but it makes no difference.

    I'm guessing it's a bug in the wrt54's DHCP client on the WAN port, but I thought that problem was fixed in the latest firmware?

    Thanks,
    Ben
     
  4. Esquire

    Esquire Mesquire Staff Member Member

    Is the modem MAC address sensitive?
     
  5. BenjyD

    BenjyD Network Guru Member

    No

    No, it will work with any MAC and doesn't do any of the crazy D-Link 300 MAC-locking stuff. I've tried MAC cloning on the WRT54, to make its WAN port have the same MAC as the modem's WAN port, but it still disconnects after 60 seconds.

    Still no response from linksys tech support.

    Thanks,
    Ben
     

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