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Extensions to LMP for Flooding-based Fault Notification (4) additional TTL object definition TTL Class (Class = TBD) C-Type = 1, Time to Live (= Hop Count) 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | TTL | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ TTL: 8 bits This is an unsigned integer to indicate a remaining hop count value. A node receiving a FaultNotify message having a TTL of zero MUST silently discard the message. |