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    Supported Attributes in Disconnect Request Messages

    The following tables list the RADIUS attributes and 3GPP VSAs supported by the MobileNext Broadband Gateway in RADIUS Disconnect Request messages. A Disconnect Request message is sent by the RADIUS server to terminate a user session on a NAS and discard all associated session contexts.

    The broadband gateway listens on UDP ports 1700 and 3799 for RADIUS Disconnect Request messages sent from the RADIUS server. The user session identified by the Disconnect Request message is deleted on the broadband gateway.

    RADIUS IETF Attributes Supported in Disconnect Request Messages

    Table 1 lists the RADIUS attributes supported by the broadband gateway in Disconnect Request messages.

    Table 1: RADIUS IETF Attributes Supported in Disconnect Request Messages

    Attribute Number

    Attribute Name

    Description

    Content

    1

    User-Name

    The username received in the Access-Request message, or a substitute username provided by the RADIUS server.

    If a value for the User-Name attribute is received in the Access-Accept message, it takes precedence over any other value for the username.

    String

    44

    Acct-Session-ID

    User Session identifier, unique for every bearer under the session.

    The broadband gateway deletes the user session indicated by this attribute.

    Broadband gateway Gn IP address (IPv4 or IPv6) and Charging-ID, concatenated in a UTF-8-encoded hexadecimal value

    3GPP VSAs Supported in Disconnect Request Messages

    Table 2 lists the 3GPP VSAs supported by the broadband gateway in Disconnect Request messages.

    Table 2: 3GPP VSAs Supported in Disconnect Request Messages

    Attribute Number

    Attribute Name

    Description

    Content

    26/10415/1 (3GPP type 1)

    3GPP-IMSI

    IMSI for this user.

    UTF-8 encoded string

    26/10415/10

    3GPP-NSAPI

    Identifier for a particular PDP context for the associated PDN and MSISDN/IMSI, from creation to deletion.

    For a P-GW, this identifies the EPS bearer ID if it is known to the P-GW.

    String

    Published: 2011-11-23