Cisco Cisco ASR 5000
Context Configuration Mode Commands N-R
radius authenticate null-username ▀
Command Line Interface Reference, StarOS Release 18 ▄
2721
radius authenticate null-username
This command enables (allows) or disables (prevents) the authentication of user names that are blank or empty. This is
enabled by default.
enabled by default.
Product
PDSN
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration
configure > context context_name
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-ctx)#
Syntax
[ no | default ] radius authenticate null-username
default
Configures the default setting.
Default: Authenticate, send Access-Request messages to the AAA server, all user names, including NULL
user names.
Default: Authenticate, send Access-Request messages to the AAA server, all user names, including NULL
user names.
no
Disables sending an Access-Request message to the AAA server for user names (NAI) that are blank.
null-username
Enables sending an Access-Request message to the AAA server for user names (NAI) that are blank.
Usage
Use this command to disable, or re-enable, sending Access-Request messages to the AAA server for user
names (NAI) that are blank (NULL).
names (NAI) that are blank (NULL).
Example
The following command disables sending of Access-Request messages for user names (NAI) that are blank:
no radius authenticate null-username
The following command re-enables sending of Access-Request messages for user names (NAI) that are
blank:
blank:
radius authenticate null-username