On 6 May 2013, at 18:07, Alan DeKok <aland@DEPLOYINGRADIUS.COM> wrote:
A.L.M.Buxey@lboro.ac.uk wrote:
just wondering what happends when our FR 3 server with all this goodness and local configuration with massive attributes goes and sends such stuff to a pre 3.0 server or some other RADIUS server?
Nothing.
RFC 6929 *allows* for longer attributes. But since no one uses them, there's no issue. And the format is designed to be transparent to legacy servers. They just pass the attributes without looking at them.
RFC 6929 also has text about how to do RADIUS properly. i.e. issues like the IAS nonsense with Operator-Name are now expressly forbidden.
And for other attributes they'll be truncated at 253 bytes at encode time. Arran Cudbard-Bell <a.cudbardb@freeradius.org> FreeRADIUS Development Team