Hello ,I encountered a strange problem, the details are as follows.This is a N540-24Z8Q2C-M in the laboratory, which is only used to test optical transceivers. I have not done any operation on the device since the last shutdown. When I turned it on t...

QDD-400G-ZR-S is a Coherent Optics.Generally speaking, Coherent Optics has two modes, Gray Light and Color Light, and Gray Light has higher Rx sensitivity.How can I switch QDD-400G-ZR-S to Gray Light mode?Does Cisco have instructions similar to Junip...

HelloI am having a problem.400G to 400G Passive DAC100GBase-CR2 Passive DACBoth of the above 2 DACs work on my N9K-93600CD-GX.But QSFPDD 400G to 4x QSFP56 100G (100GBase-CR2), branch cable, is not working, I tried various Breakout configurations.Has ...