Operators

The operator is used to define how the attribute is handled. Different operators allow attributes to be added, deleted, or replaced.

=

Add the attribute to the list, if and only if an attribute of the same name is not already present in that list.

:=

Add the attribute to the list. If any attribute of the same name is already present in that list, its value is "d with the value of the current attribute.

+=

Add the attribute to the tail of the list, even if attributes of the same name are already present in the list.

Examples:

User-Name = "bob"
NAS-IP-Address := 192.0.2.17
Reply-Message += "hello"