InterfaceOperCauseList
This textual convention defines the operational status cause for a set of 64 interfaces in a module. The operational status cause of an interface is represented by the value defined in the textual convention 'IfOperStatusReason' (defined in CISCO-TC). Each 2 bytes within the value of an object of this type is combined together to represent the operational status cause of a particular interface in the module (i.e., each 2 byte group represents the 'cieIfOperStatusCause' of an interface). The first 2 bytes (byte 1 and byte 2) of this object, represents the operational status cause of an interface in the module, whose 'ifIndex' is represented by the corresponding instance of 'cieInterfacesIndex' object in its first 4 bytes. The next 2 bytes (byte 3 and byte 4) of this object, represents the operational status cause of an interface in the module, whose 'ifIndex' is represented by the corresponding instance of 'cieInterfacesIndex' object in the next 4 bytes respectively. If there are only 'n' interfaces in a set of 64 interfaces in the module, then bytes after the '2n' byte in this object are irrelevant.