ALIX Board and Bridging?

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onhel
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Joined: 12 Feb 2008
Posts: 5

PostPosted: Sat Feb 16, 2008 11:25    Post subject: ALIX Board and Bridging? Reply with quote
I have DD-WRT running on a Alix 2c2 board strictly as a access point. No WAN, just a LAN wire to the Alix.

Previously I had DD-WRT running on a Buffalo WHR-HP-G54 and all connections from a wireless client showed the IP address of the wireless client, not the access point.

Now I have a router that I have assigned to only accept connections from certain LAN IP's. This worked great with the Buffalo AP, but now with the ALIX AP, all wireless connections are showing up to come from the ALIX IP and not the actual wireless client IP.

For example:
Router 192.168.1.1
ALIX Access Point w/DD-WRT 192.168.1.3
Laptop 192.168.1.7

Connecting from the laptop to the Router shows up under Syslog as coming from 192.168.1.3 instead of 192.168.1.7. With the Buffalo I had previously all connections from laptop showed up as coming from laptop so what am I doing wrong now?

How do I get DD-WRT to forward wireless clients IP to connections. Right now I think by default at installation eth0 eth1 and ath0 are bridged. Any attempt to remove bridge blocks me from connecting to DD-WRT and forces me to physdiskwrite a new CF card and start fresh. Any thoughts? Thanks in advance.


Last edited by onhel on Mon Feb 18, 2008 7:55; edited 1 time in total
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Sash
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Joined: 20 Sep 2006
Posts: 17619
Location: Hesse/Germany

PostPosted: Sat Feb 16, 2008 19:23    Post subject: Reply with quote
hmmm

do you have the latest rc 6.2 installed?
btw its goot to update the board to the latest bios. there are problems with mpci cards in older bios rev.

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onhel
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Joined: 12 Feb 2008
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PostPosted: Sun Feb 17, 2008 10:35    Post subject: Reply with quote
Thanks for replying Sash.

I already had the latest Alix BIOS. Upgraded to 6.2 from RC5. Now I get this in my syslogs when I try to connect

Feb 17 05:23:46 kernel: hostapd[5744]: segfault at 00000004 eip 0804fb7d esp bfa0e100 error 4<000>

I'll go back to rc5
Sash
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PostPosted: Sun Feb 17, 2008 14:49    Post subject: Reply with quote
hmm..did you reset to factory defaults after the update?

on my alix erverything is working afaik. im useing it as ap-only, too

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onhel
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Joined: 12 Feb 2008
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PostPosted: Mon Feb 18, 2008 6:06    Post subject: Reply with quote
Yes I reset to factory defaults like you recommended and still same problem. I'm using WPA2 Enterprise with an external Zeroshell RADIUS Server and DD is causing it to fail authentication.

Reverting back to RC5 solves that error problem and the RADIUS server works fine with it. Something is broken between RC5 and 6.2 in regards to RADIUS authentication.

RC5 works great although I still have my original problem of all connections from any wireless client is showing as coming from the IP of the DD-WRT access point.
Sash
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Joined: 20 Sep 2006
Posts: 17619
Location: Hesse/Germany

PostPosted: Mon Feb 18, 2008 7:59    Post subject: Reply with quote
did you start a bug report in the bugtracker for the radius problem?

for your other problem i dont see a solution jet. maybe its a bug, too.

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onhel
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Joined: 12 Feb 2008
Posts: 5

PostPosted: Mon Feb 18, 2008 9:41    Post subject: Reply with quote
Submitted both problems as separate bugs. Hopefully will be resolved soon. Thanks for help Sash, I'll keep this thread updated with any changes.
onhel
DD-WRT Novice


Joined: 12 Feb 2008
Posts: 5

PostPosted: Mon Aug 11, 2008 2:41    Post subject: Reply with quote
Both of the above issues I see as resolved now with v24 SP1.

Very Happy
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