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Can't get seamless wifi roaming to work

Discussion in 'Tomato Firmware' started by Zotac, Dec 19, 2011.

  1. Zotac

    Zotac Networkin' Nut Member

    Hi I'm having problems trying to get the second AP working properly. I can connect to either APs with no problem. The problem is that using the second AP, the internet speed is a lot slower compared to the first AP. I was wondering if anyone had any advice for this situation? I installed two routers (E2000, WHR-G125) linked with an Ethernet cable. The WHR-G125 router sits upstairs and the E2000 sits downstairs. The E2000 is the host with the connection to the internet gateway. Here are the settings up:

    E2000 (Tomato Firmware RAF1.28.9006 MIPSR2_RAF K26 USB VPN-NOCAT)
    Router IP:192.168.1.1
    Subnet mask:255.255.255.0
    DHCP range:192.168.1.100-192.168.1.149

    Wireless:
    Access Point
    SSID-same
    Channel:6
    WPA2 Personal
    TKIP/AES

    WHR-G125(Tomato ND 1.27)
    Router IP:192.168.1.2
    Subnet mask:255.255.255.0
    Gateway:192.168.1.1
    no DHCP

    Wireless:
    Access Point
    SSID-same
    Channel:1
    WPA2 Personal
    TKIP/AES

    Thanks!
     
  2. Mercjoe

    Mercjoe Network Guru Member

    Put both AP on the same channel.

    The computer will not have to disconnect from one router and re-connect on the other on a DIFFERENT channel. When they are both on the same channel it just swaps over seamlessly. There is not a disconnect/reconnect that has to occur due to the channel change.

    I have a two router setup that are both set at WDS + AP and I can walk from the one end to the other and never lose a download nor do I see a difference in speed nor a loss of signal/interruption.
     
  3. Zotac

    Zotac Networkin' Nut Member

    Nope still doesn't work. WDS won't work since it's pretty far away. I get a signal strength of -94 dbm.
     
  4. mvsgeek

    mvsgeek Addicted to LI Member

    What happens when you switch the routers?
     
  5. jsmiddleton4

    jsmiddleton4 Network Guru Member

    Make sure the slave AP is in router mode, not gateway mode. In advanced routing.... Master set to gateway.

    You also need to put the master's IP in the DNS field for the slave.

    WDS doesn't work when connecting the slave via cable.

    Master just needs to be setup like a regular router No WDS, nothing. Just regular AP mode. Same with slave.

    Same ssid's as well as same channel.
     
  6. Toastman

    Toastman Super Moderator Staff Member Member

    The title here is misleading, it seems that the AP changeover was actually seamless, but the second router (A "simple" AP?) is just slower than the first.

    BTW - Assuming everything is optimal, the routers can be on different channels. The handover should still be fast enough that buffering will take care of it. I have between 15 and 28 AP's in use in various buildings, and roaming works fine even when they are spread over 3 channels 1,6, and 11.

    So this probably becomes a "simpler" matter of discovering why the AP is slower. First thing I'd do is upgrade the Buffalo to a newer version of firmware.
     

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