Huawei switch 10G connection to 1G optical module
Yes, you can use a 10G SFP+ transceiver in a 1G port, but several factors must be considered. A switch must use optical or copper modules that have been certified for use on Huawei switches. Or will 10Gb SFP+ run at 1Gb to link gigabit switches? What if using SFP+ ports on a switch but SFP on the other? Here we'll reveal the mask of SFP to SFP+ compatibility. Enter the command display interface xgigabitethernet0/0/2 (replace 0/0/2 with the actual port) to check if the port is in a shutdown state. Description: In V200R001 and later versions, a switch generates non-certified optical transceiver alarms for all optical transceivers except encrypted Huawei-certified optical transceivers.
Read More
