Connection problems

Discussion in 'DD-WRT Firmware' started by the_jaguar, Jan 17, 2006.

  1. the_jaguar

    the_jaguar Network Guru Member

    I seem to have a stange issue with my setup. I have 2 routers both with DD-WRT. The second router (IP: has the Internet connection type disabled and Gateway is set to (IP of my main router).

    I have disabled DHCP server on my repeater. I have enabled DHCPMasq on my main router, but not on my repeater.

    I have setup WDS as explained in the WDS FAQ on the router help page. I have disabled loopback on both routers.

    I have static DHCP setup on my router for 2 of my machines. I just noticed that whenever I try logging into my router web interface, I cannot connect to my Internet even! But I can log into my repeater without a problem..

    I have disabled Firewall on both my routers...

    I would appreciate it greatly if anybody can help me out with this...

  2. vincentfox

    vincentfox Network Guru Member

    1) I would not recommend to disable firewall on the one with the WAN connection!
    2) I assume you are using "LAN" type WDS connection? Not PTP?
    3) Turn on syslog if you have not, sometime useful info in /var/log/messages
    4) As diagnosis step, I prefer to keeps things simple. Meaning I use a laptop, with a physical wired connection to the device I am testing, and set it to a static IP. This way I can do pings first to local WRT, then to next WRT, then to internet gateway IP, etc. and see which step is breaking down. Ping by IP address first check that out. If all okay, then try names to see if DNS working fine. Most likely what you have is a network configuration issue like gateway or DNS or routing.
  3. frolic

    frolic Network Guru Member

    I have a similar problem, LAN access from router 2 is no problem but PINGing an internet adress fails. My setup is almost identical to "the_jaguars" but I am using a different firmware, I am running hyperWRT + Thibor 12. It feels like I missed a vital setting somewhere but I have tried almost everything...

  4. vincentfox

    vincentfox Network Guru Member

    Ah okay, I begin to see a likely problem.

    You can definitely ping the gateway from router2? I assume it's at default Have you played around with setting this to either or real gateway address, on 2nd router? Not sure, but certainly smells like a routing problem. Perhaps a couple of screenshots of setup pages would make it more clear.
  5. the_jaguar

    the_jaguar Network Guru Member

    Thanks for the input Vincentfox. I didnt make any additional changes, but my network seems to be quite stable now. I increased the power on both routers to 120mW...
    For now, I am doing ok :)
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