1.MA5680T ETHB Port can't get up when it is connected to packet generator tool 2.Check the patchcord, the result is OK.
3.Try loopback ETHB Port, the result is OK.
4. in this case, ETHB is in the slot 0/17.
OLT (ETHB Port 1) --> Packet generator tool (GE port)--> OLT (GICF Port 1)
In this case, ETHB is in the slot 0/17.
get into interface ETHB
#undo isolate board 0/17
The Board is in the isolate state