Can't connect to the internet when using static DNS

Discussion in 'Tomato Firmware' started by realmagic, Nov 13, 2008.

  1. realmagic

    realmagic Addicted to LI Member


    I've been trying to use Static DNS (OpenDNS) using the DDNS tab but when I set any static DNS (even my official ISP's DNS), I can't connect to the Internet - it's just hangs on the "connecting" stage and doesn't connect.

    I tested it with two of my ISP accounts with the same results (both are using L2TP cable modem connection).

    I'm using Tomato 1.21 on Linksys WRT54GL router.

    Any suggestions?
  2. srouquette

    srouquette Network Guru Member

    In Advanced > DHCP/DNS, I have the 2 first checkbox checked, and I have this in the Custom Configuration textarea:
    Do you also use DHCP ?
    Your computer should have the address of your router as DNS server.
  3. realmagic

    realmagic Addicted to LI Member

    I'm using cache-size and log-async. the dhcp-authoritative is by default in tomato.

    I also tried strict-order but no use.

    I get the IP address from the modem (dhcp) and when the connecting message appear, I can ping the l2tp server. I don't get any message of failed connection of any kind.

    Quick update: I returned to default settings and set the static dns again. it seems to work now... very strange...
  4. srouquette

    srouquette Network Guru Member

    your computer gets its ip from the modem, not the router ?

    If your network looks like that:
    Computer < Router < Modem

    Your computer should get its IP from the router, and the router from the modem.
  5. realmagic

    realmagic Addicted to LI Member

    sorry - i misunderstood you - the computers gets the IP and DNS from the router. The router gets the IP from the modem.
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