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Cisco Content Services Gateway - 2nd Generation Release 2.0 Installation and Configuration Guide

OL-15491-01

Appendix A CSG2 Command Reference

ip csg radius reauthorization attribute

To define the RADIUS attributes and VSA subattributes to be monitored by the CSG2, and to enable

Roaming Service Control, use the ip csg radius reauthorization attribute command in global

configuration mode. To delete a RADIUS attribute, use the no form of this command.

ip csg radius reauthorization attribute {radius-attribute-number | vsa {vendor-id | 3gpp}

radius-subattribute-number}

no ip csg radius reauthorization attribute {radius-attribute-number | vsa {vendor-id | 3gpp}

radius-subattribute-number}

Syntax Description

Defaults The default behavior is that no RADIUS attribute is defined.

Command Modes Global configuration

Command History

Usage Guidelines Roaming Service Control, also known as seamless roaming or RADIUS reauthorization, enables the

CSG2 to reauthorize prepaid users, instead of ending the users’ sessions, when a configured list of

attributes changes.

1. When you enable Roaming Service Control, you also configure a list of RADIUS attributes and VSA

subattributes to be monitored and saved by the CSG2.

2. When the CSG2 receives a RADIUS Start message, it saves the subset of attributes that are in both

the configured list and the message.

3. When the CSG2 receives a subsequent RADIUS Start or RADIUS Interim Accounting message, it

compares the saved subset of attributes to the list of attributes in the new message. (The CSG2

compares only the list of attributes, not the actual contents of those attributes.)

4. If any attribute in the saved subset is missing from the list of attributes in the new message, or if

there are any new attributes in the message that are not in the saved subset, the CSG2 reauthorizes

prepaid users without ending their sessions.

5. If service-level CDR summarization is enabled, the CSG2 sends a Service Usage CDR for each

service in the session.

radius-attribute-number Specifies the RADIUS attribute number. The range is from 1 to 255.

vsa Specifies the vendor-specific attribute (VSA).

vendor-id Specifies the vendor ID number. The range is from 1 to 16777215.

3gpp Specifies the Third Generation Partnership Project (3GPP) vendor ID.

radius-subattribute-number Specifies the subattribute number. The range is from 1 to 255.

Release Modification

12.4(15)MD This command was introduced.

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Cisco OL-15491-01 User Manual Page 143