The security-name enable command enables the security string function.
The undo security-name enable command disables the security string function.
By default, the security string function is enabled.
This function is supported only by S5730-HI, S5731-H, S5731S-H, S6730-H, S6730S-H, S5732-H, S6720-HI, and S5720-HI.
Some special clients use user names in the format of username@domain*securitystring in which a security string and a security string delimiter (*) are added to the user name. To ensure that the AAA server can identify such user names, run the security-name enable command to enable the security string function on the device. When sending a user name to the AAA server, the device deletes *securitystring and only uses username@domain for authentication.
You can run the security-name-delimiter command to modify the security string delimiter.