Here is an example on how to query or display optical power of an interface in a Huawei Router. This is tested using NetEngine40E Universal Service Router or NE40E running version 8.x OS. display interface <interface> extensive Sample Output: (Can see link down and not receiving any power from the neighboring device) <Huawei-NE40E>display interface GigabitEthernet1/1/1 extensive GigabitEthernet1/1/10 current state : DOWN(LOS) (ifindex: 142) Line protocol current state : DOWN Link quality grade : — Port BW: 10G, Transceiver max BW:…
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