1. Check whether the network segment of the MRS board is 168.168.0.10.
2. Run the show inner network command on the main control board to query the network segment of the board.
3. If the network segment of the MRS board is inconsistent with the internal network segment of the main control board, run the config inner network ip XXXX command to change the network segment of the MRS board to 168***, and then restart the U1900.
1. Delete the board and then add the board again.
2. Remove the board. After reinstalling the board, check the board status.
3. Reload the boot version in boot2 mode.
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