WDS issues

Discussion in 'Tomato Firmware' started by Creatine, Apr 5, 2013.

  1. Creatine

    Creatine Reformed Router Member

    I setup up WDS between my e3000 and my e3200 using the 5ghz channel. Everything seems to work well except for the random disconnects between the e3200 and e3000. The disconnects occur several times per day at random. Both routers are running the respective Shibby 108 firmware.

    My setup is as follows:

    Wireless laptop 2.4ghz and wired clients --> e3200 --> 5ghz WDS--> e3000 --> Wireless laptop 2.4ghz and wired clients --> Internet

    The WDS between the 2 routers is setup as follows:

    Wireless N only
    AP and WDS
    channel 48
    40Mhz Upper
    WPA2 +AES

    STP enabled on both routers
    Frame burst on
    DHCP enabled on both routers

    All other settings at default.

    The routers are in different rooms about 12 feet apart. SSIDinsider does show any other devices on the 5ghz besides my 2 routers

    At random my clients on the e3200 cannot access the internet or ping the e3000 ( and its clients. The solution is to either enable\disable the 5GHZ antenna, scan for noise floor on eth2, reboot the routers to get everything working again. I have tried various combinations of turning STP on\off.

    Any thoughts on what the issue might be or work arounds for this issue ?

  2. Creatine

    Creatine Reformed Router Member

    I have attached a screen shot of my router configs

    Attached Files:

  3. mvsgeek

    mvsgeek LI Guru Member

    Can't comment on either e32xx routers, Shibby firmware, or 5ghz, but in the RT-N16 & WRT54GL Toastman 2.4ghz world, I've found the combination of WDS with WPA2 to be unreliable.

    Have you tried WPA?

    Edit : I just noticed you have frame burst on - try turning it off. And why DHCP on both? Do you have 2 subnets?
  4. Creatine

    Creatine Reformed Router Member

    The connection has been stable for the past 20 hrs . I made the following changes since my original post. I set the transmit power to 0 on the 5ghz antenna on both routers, the 5GHZ to WDS only (no AP) and changed the channel to 153

    I haven't tried WPA, but can give it a try, I will also turn off frame burst on the 5GHz channel. I split up my DHCP scope between the 2 routers for testing an troubleshooting purposes. .100 - 120 on router 1 and .121 - 150 on router 2. I originally had DHCP enabled on my e3000 only but still experienced issues.

    I will try your suggestions if it drops again.
  5. jumplower

    jumplower Reformed Router Member

    I suspect there is WDS related issue with E3200. I used to have a WL-520GU (with teddy_bear tomato) as slave and WL-500 GP (with open-wrt) as main. I have AP+WDS mode set in slave. If I remember correctly, the wireless client on slave can have half of my internet speed, 7M of 15M. Earlier this week, the power adapter of WL-500GP died it seems (all WAN/LAN port LED stays on), I got a E3200 with shibby 105 later 108 as main in AP+WDS mode. Since then I found that wireless client on slave can only got 2.4M internet speed, the wired client on slave only has around 3M. If I put slave in WET mode and main as AP, the wired client of slave can have full 15M; wireless client of main can also gets full 15M. I also tried toastman mod on main, and several others tomato mods on slave, same result.

    I really need slave to handle wireless client, and slave connect to main via wireless. In the end, I put dd-wrt on slave with BR mode and main in AP with toastman, finally I managed to get what I want, wireless client on slave get 7M and wired client gets 15M.

    So I guess E3200 with shibby or toastman has issue with WDS.
  6. Mercjoe

    Mercjoe Network Guru Member

    Strange, I have found WPA2 to be extreme stable in my case. I complicated things by going between a Toastman TomatoUSB w/2.6 kernel and a Toastman Tomato build with a 2.4 kernel. I have run more than 120 days with no drop out of a connection.

    Anyway, to the problem at hand:

    A WDS is a network extender. Having both DHCP servers enabled is asking for problems due to address timeouts. The main router should have DHCP enabled. The remote router should have it turned OFF. All network functions are handled by the main router.

    With that said. lets look at the link.


    Do you have the remote router set to a static IP address that is outside of the DHCP servers address range on the main router?

    Are you running a loopback into the main router? If not turn OFF STP.

    You do have each router set up to link to its respective MAC address in the Basic-->network--> WDS <link with:>?? or is it set to <automatic>?
  7. Creatine

    Creatine Reformed Router Member

    Hi Mercjoe

    My WDS has been stable for 2 days now, since I made the changes in my previous post.

    To answer you questions:

    Main router ip = Secondary router = DHCP range is not overlapping or has conflicts with any other IPs. The reason I enabled DHCP on both was for testing purposes. It allowed me to connect to the 2.4 GHz antenna of each router wirelessly to perform testing without having to set a static ip on my laptop each time.

    I will turn of STP, though had prior issues with it off or combinations of off\on, on\off, off\off, on\on etc.

    I have the MAC addresses specified in the "WDS link with"
  8. mvsgeek

    mvsgeek LI Guru Member

    Mercjoe, I've found that WDS + WPA2 works fine with a 2-router setup. Unfortunately, I'm supporting an environment with 7 secondaries and 4 tertiaries. After a main router reboot, I could never get more than 3 of the secondaries to reconnect, and the successful candidates were totally random. Hence the fallback to WPA.

    Like you, I'm mixing 2.6 and 2.4 kernels.
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