Cute trick now in v3:

[Arran Cudbard-Bell]

> 
> 
>  This functionality makes it easier to manipulate data.  The server
> previously required that all input data was in printable ASCII form.  It
> can now handle limited forms of binary data, too.
> 
>  The next step is to allow the inverse:
> 
> 	Class = &Framed-IP-Address


Class = "0x%{hex:Framed-IP-Address}"

But yes it's inefficient.

Arran Cudbard-Bell <a.cudbardb at freeradius.org>
FreeRADIUS Development Team