Description of the problem

OSN3500 deletes a single board and reports an error, indicating that the board is occupied by a protection group, error code 1090593932.

Processing

1, in accordance with common causes, confirm the deletion of the network layer to protect the subnet; there is no business; has been deleted from the logical fiber.

2, delete the board again, or error, prompting the board is occupied by the protection group, error code 1090593932.

3, query the single-station network manager, OSN3500 does not exist SNCP protection subnet menu items.

4, in the SDH isolated node management, find the previous protection subnet of this network element. (SDH isolated node can be understood as: in a single station to create a protection but did not form a protection subnet)

5, click delete, and then delete the board successfully.

Root Cause

Network-side data is left behind, causing the board to be occupied by the protection group.

Solution

Find and delete the protection group in the SDH isolated node. You can also delete the multiplexed segment ring protection group cfg-del-rmspg with the command.

The technical information related to this chapter and the SDH equipment troubleshooting process are provided by Shenzhen Optical Transmission Network Technology Company Limited (www.opticaltrans.com), and are reprinted with permission! Huawei SDH Optical Transmission Equipment,SDH Transmission Equipment Sales