NAS MAC Authentication

Jacob Baloul jjb at
Wed Jun 10 17:42:23 CEST 2009

Hi All,
I have several NAS / Hotspots installed behind a NAT.
They are all WRT54GL routers with OpenWRT + Chili and authenticating against
FreeRadius + DaloRadius which is NOT in this NAT.
Meaning FreeRadius sees all of the WRT's as coming from the same public IP,
which also happens to be dynamic.
My question is, can I authenticate and maintain session based on the NAS MAC
address as apposed to the public dynamic ip address?
Moving the Radius server into the NAT is not an option as it is being hosted
in a different country.

Thanks for the help,
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