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Network
BFD
基本信息
BFD(Bidirectional Forwarding Detection,双向转发检测),两个系统建立BFD会话后,在它们之间的通道上周期性地发送BFD报文
BFD-control Milti-Hop:UDP 4784
BFD-control Single-Hop:UDP 3784
BFD Echo:UDP 3785