Hi, RFC 2866 (5.5) States 'An Accounting-Request packet MUST have an Acct-Session-Id' but for Accounting Request packets with 'Acct-Status-Type' set to Accounting-On or Accounting-Off, there can be no Acct-Session-Id, as these are global events on the NAS... Unless the NAS is meant to send an Accounting-On or Accounting-Off packet for every session on the access point, when an Accounting-On or Accounting-Off event occurs... Does anyone know of a later RFC that clarifies this ? Also the index 'acctsessiontime' is missing for the radacct table in the default schema; makes the Accounting-On / Accounting-Off queries very slow doing a table scan on 1.4 million rows... Is this intentional or an oversight ? Might be an Idea to specify the default engine as InnoDB for the MySQL schemas. MyISAM (with it's table locks on every update/insert) just doesn't cut it with a reasonably busy RADIUS server; all connections in the db pool get used and users start being rejected. Not good ... Thanks, Arran ** -- Arran Cudbard-Bell (A.Cudbard-Bell@sussex.ac.uk) Authentication, Authorisation and Accounting Officer Infrastructure Services | ENG1 E1-1-08 University Of Sussex, Brighton EXT:01273 873900 | INT: 3900