IP address conflicts

Gunther Mayer gunther.mayer at googlemail.com
Tue Sep 11 14:16:09 UTC 2007


Hi guys,

I'm using some test firmware based on coova chilli v1.0.6 and 
openwrt/kamikaze 7.07 and I'm experiencing some really weird ip address 
conflicts:

Somebody connects to the hotspot, logs in and happily surfs away while a 
second person on a different PC associates and via chilli's dhcp gets 
assigned the *same* ip address as the former. The consequence is that 
the second person cannot connect to the Internet at all as he/she won't 
even get to the splash page. I've seen this happen on Windows XP at 
least but it might happen on other OS's too.

My chilli subnet is defined as "net 172.18.0.0/22" in my chilli config file.

Has anybody seen this happen before? David, were there any changes in 
dhcp.c in v1.0.7 that might have fixed this ? I can't easily track 
source changes because of the absence of a web-based svn interface 
supporting diffs...

Gunther



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