Authenticate/Attributes based on NAS-IP-Address

[N White]

Using MySQL as a backend, is there any way to configure Authentication 
and Attribute (replies), based on the NAS-IP-Address sent to the 
FreeRADIUS server? Allow requests from NAS1 to authenticate and have 
certain attributes for users in that group and then allow requests from 
NAS2 to authenticate and have different attributes. Would there be 
anyway to allow a user to be a part of both groups?

Thanks,
Nick
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