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Failure of equipment IP address modification caused by wrong gateway setting.

Publication Date:  2012-07-24 Views:  114 Downloads:  0

Issue Description

The NE IP address is to be modified in an exchange. But after the sending with the :cm-set-ip; command, the error prompt indicating that the IP address is invalid is returned. Re-query shows that the original address remains unchanged and cannot be modified. Host version:

Alarm Information


Handling Process

Modify the IP address for several times, but the sending always fails. Therefore, it is suspected that the IP address is not supported by the host, but the sending still fails by using the IP of the same network segment. Query the gateway setting of the equipment by chance and find that it is not the default Then reset the gateway and then send IP address, which succeeds. And then reset the gateway. The modification is successful.

Root Cause

This fault is caused by the host, which does not permit the modification of IP address after the gateway of equipment is set. Therefore, the gateway setting should be reset first. The sequence of ip setting modification: first modify the IP address, then the gateway, finally the subnet mask.