The value of the object tmnxLocUsrDbDhcpCIdMaskSufStr specifies
a substring that is stripped of the end of the incoming circuitId
before it is matched against the value configured in
tmnxLocUsrDbDhcpCircuitId.
This string can only contain printable ASCII characters.
Character '*' is a wildcard that matches any substring. It can be
escaped by character '\'.