|Barcodes cannot be exported on the USM on two E6000s at a certain deployment.|
1. Switch the SMM board to the active state.
2. View the barcode information on the USM. The barcode is displayed normally.
1. Log in to one E6000 by using Telnet. The device barcode is displayed.
2. Export the device information on the USM. The barcode in the exported information is blank.
Check the two SMM boards, and find that only one board is connected with a network cable and the board is in the standby state.