The radius-server coa update username command enables a BRAS to update user names based on those delivered in CoA messages and switch users to the domains carried in the RADIUS-delivered user names.
The undo radius-server coa update username command disables a BRAS from updating user names based on those delivered in CoA messages and switching users to the domains carried in the RADIUS-delivered user names.
By default, a BRAS discards CoA messages if user names carried in the CoA messages differ from those saved on the BRAS.
This command is supported only on the NetEngine 8000 F1A.
Usage Scenario
In the web authentication scenario where a portal server cannot exchange authentication messages with a BRAS, you can configure the portal server to exchange authentication messages with a RADIUS server. To enable a BRAS to update user names based on those delivered in CoA messages and switch users to the domains carried in the RADIUS-delivered user names, run the radius-server coa update username command.
Follow-up Procedure
After a user is switched to the post-authentication domain, only the user name, domain name, and accounting scheme are updated by default. You can run the redirect-domain effect-attribute command to enable specified attributes to take effect in the post-authentication domain. Currently, only qos-profile, user-group, web-url, and ip-unr-tag attributes are supported.
Precautions
In VS mode, this command is supported only by the admin VS.