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Qualifications for Disconnect

For the server to disconnect a user, the Disconnect-Request message must contain an attribute with a session ID. The Disconnect-Request message can contain an Acct-Session-Id (44) attribute or a Acct-Multi-Session-Id (50) attribute for the session ID or both. If both the Acct-Session-Id and Acct-Multi-Session-Id attributes are present in the request, the router uses both attributes. If the User-Name (1) attribute is also present in the request, the username and session ID are used to perform the disconnection. Authentication, authorization, and accounting (AAA) services handle the actual request.

Note: To enable the disconnection of L2TP LAC user sessions, the RADIUS Disconnect-Request message must not include the Acct-Multi-Session-Id (50) attribute. The Acct-Multi-Session-Id attribute does not apply to LAC L2TP user sessions and including this attribute causes the disconnect operation to fail.


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