WDS - WEP/WPA depends on different/same SSID's ???

Discussion in 'DD-WRT Firmware' started by 4EverGreen, Jan 17, 2006.

  1. 4EverGreen

    4EverGreen Network Guru Member

    I've already read almost every posts about WEP/WPA in WDS.
    Some guys say thay only managed to put WEP working and some others say they managed to put WPA-PSK working.
    The DD-WRT Wiki says it works with both.

    I'm currently testing it with 2 WRT54GS v4 with DD-WRT v23 final (25-12-2005).
    They're setup for WDS. Both are in AP mode.
    If I set different SSID's on the WRTs I don't get WPA-PSK working ... only WEP !
    If I set the same SSID on the WRTs I can already put WPA-PSK working ...

    I'm really puzzled, as I already tried several setup/config examples posted by guys with similar WRTs with DD-WRT firmware.

    This is very confusing for me because I'm sure I saw several posts (including Wiki) saying that WPA-PSK would work with different SSIDs ...

    Can someone confirm/explain this ?

    Many thanks.
  2. 4EverGreen

    4EverGreen Network Guru Member

    Come on guys ... :(

    I already spent so much time trying to make it work ...
    All I want to know is if it's worth to keep on trying ...

    Is there anybody with 2 WRTs (DD-WRT v23 final (25-12-2005)) with different SSIDs, that managed to get WDS with WPA-PSK working ?

  3. will792

    will792 Network Guru Member

    Sorry cannot help you.

    You are way ahead of me. I cannot even get WDS with WPA-PSK and the same SSIDs running. Works fine with WEP but not with WPA. Tried AES and TKIP and the result is the same, nada. This WDS business is very fragile.
  4. vincentfox

    vincentfox Network Guru Member

    I have a bridge with WDS and WPA-PSK AES running just fine.

    It often baffles me why people have trouble with it, it seemed pretty painless.

    There were some minor gotchas I noticed.

    1) Each end needed a hard-power cycle after being setup, and wait a minute or 2 for them to connect up. Just setting them and doing a warm-boot didn't seem to work
    2) There was a bug in some older versions of DD-WRT GUI that really long WPA keys would get truncated. So you paste in your 63-character key, hit apply that's fine. But like me, then go back to look, then hit apply again, well you just hosed up the key.

    Same channel, same SSID though. Dunno why you would want different ones? Get it working regular way first, then try changing them.
  5. 4EverGreen

    4EverGreen Network Guru Member

    Don't get me wrong vincentfox ... Indeed its pretty painless to put WDS working in DD-WRT v23 !

    What baffles me is the same/different SSIDs thing ... :???:

    I wouldn't have give it much thought if the Wiki guide for WDS_Linked_router_network didn't clearly states in the "WDS Linking with WRT54GS *Requirements*" section that :
    " ... Importantly to be on seperate SSIDs ..."
    Besides, I remember having read some other posts mentioning a working WDS with WPA-PSK ! (don't know if under DD-WRT though ...)

    So, I thought : perhaps it's me ... I'm missing something ... :wallbang:

    The reason I want each AP with a different SSID is because each one have its own dedicated ADSL line and they're separated by 2 floors. Having each AP with its own SSID I would make sure that each set of users don't get attached to the most remote AP (the one with the less signal strenght ...).

    Perhaps I will let it go and try the Wireless MAC address filtering feature to get the same result ....

    What do you think ? :thumb:
  6. vincentfox

    vincentfox Network Guru Member

    Oh I see.

    I suppose you are doing PtP WDS instead of LAN to avoid routing confusion?

    I don't know about confining each user-group to particular AP. I always considered seamless roaming to be a good thing, so I never thought seriously about what you are doing.
  7. 4EverGreen

    4EverGreen Network Guru Member

    Thanks anyway ! :)
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