Support: All Default: True Value: True or false Type of password verification performed at circuit initialization. If true, the received verifier is checked against the value of the characteristic receive verifier for this circuit, if any. If false, the received verifier is checked against the set of verifiers specified in the routing permitted neighbor entities. This attribute is supported only if the characteristic type is set to ddcmp, hdlc, x25 static incoming, x25 static outgoing, and x25 permanent.