Diagnostic(value)The diagnostic code specifies the local system's reason for the last change in session state. This allows remote systems to determine the reason that the previous session failed, for example. These diagnostic codes are specified in section 4.1 of RFC5880
Values: UNDEFINED_DIAGNOSTIC (0): A value indicating that the enum field is not set. ADMINISTRATIVELY_DOWN (121685798): No description available. CONCATENATED_PATH_DOWN (26186892): No description available. CONTROL_DETECTION_TIME_EXPIRED (135478383): No description available. DIAGNOSTIC_UNSPECIFIED (58720895): No description available. ECHO_FUNCTION_FAILED (220687466): No description available. FORWARDING_PLANE_RESET (19715882): No description available. NEIGHBOR_SIGNALED_SESSION_DOWN (374226742): No description available. NO_DIAGNOSTIC (222503141): No description available. PATH_DOWN (290605180): No description available. REVERSE_CONCATENATED_PATH_DOWN (479337129): No description available.