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How can DFM identify the interface duplex mode if it is not set?

April 26, 2017dfm DUPLEX identify interface mode

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How can DFM identify the interface duplex mode if it is not set?

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A. If DFM cannot correctly determine the duplex mode (because it was not set manually nor was it set in the MIB), DFM sets DuplexSource to be assumed and performs the following: • If the interface is a 10-MB Ethernet interface, DFM assumes the setting is half duplex (DFM considers an interface to be 10-MB Ethernet when its Type=”*ETHER*” and its MaxSpeed=10000000). • For all other interfaces, DFM assumes the setting is full duplex.