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Huawei SDH equipment non-intelligent network element recovery database package method
| 2025-11-21|Back

Description of the problem

When Huawei SDH equipment, which is not an intelligent network element, recovers database packages, some service interruptions often occur after downloading the database packages. Therefore, you should choose the correct method to recover the database package to avoid service interruption.

Service interruption alarms AU_AIS, TU_AIS, HP_UNEQ, and so on.

Processing

When restoring the database packet, the customer chooses to send it to the single board, and if the configuration in the database is not consistent with the master board or the cross-board, the restoration of the database packet service will be interrupted.

Root Cause

N/A

Solution

Database package recovery method:

1. Before recovering the database package to collect the basic configuration information of the network element, the collection script is attached.

2. Recover the database package, when recovering the activation type select restart, send the configuration to the single board do not check.

3. Begin to execute the recovery, after the recovery is completed, collect the basic configuration information again, the same as the first point, and then the two collected data for comparison.

4. If the two data are the same, then soft reset the cross-board and various single boards in turn.

5. If the two data are not the same, take the data collected before recovery as the basis, find out the missing or modified services, form a configuration script, and configure the services individually. Until it is the same as the data collected before recovery, then soft reset cross boards and various single boards in turn.

6. Confirm whether there is any interruption of services.

Recommendations and summary

Recovery database package belongs to high-risk operations, the operation method must be standardized, refer to the above recovery method.


The relevant technical information in this chapter and the troubleshooting process of SDH equipment are collected and organized by Shenzhen Optical Transmission Network Technology Company Limited (www.opticaltrans.com), please retain the reproduction! Our company specializes in Huawei SDH optical transmission equipment, SDH transmission equipment sales.


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Email:info@opticaltrans.com
Address:Cuiguang 1st Distriuct Buiding 8th, Shenzhen, Guangdong Province
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