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In-line Layer 1 and 2 diagnosis

James Dore

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Hi all, 

Has anyone got any scripts that might allow me to look closely at the layer 1 and layer 2 information about the ethernet connection, alongside doing a tcpdump at the same time? I've got an IoT device (electronic lock) that has a pretty specific ethernet interface and i'd like to find out why it keeps dropping off the network. The lock only comes up as 10M half-duplex, so I'd like to see if that's normal, or if there are ethernet issues. 


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