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Q&A: How to upgrade controller from SCUL to SCUN without loosing configuration

Latest reply: Jul 27, 2018 07:19:35 543 1 2 0 0
A:
Procedure:
1. Save configuration on SCUL
MA5600T(Config)#save
2. Backup configuration from SCUL
MA5600T(Config)#Backup configuration tftp x.x.x.x
3. On SCUN, load configuration
MA5600T(Config)#load configuration tftp x.x.x.x
4. Activate configuration (MA5600T will reboot)
MA5600T(Config)#active configuration system
5. Check if some commands are missing from old version to the new one, these commands must be done manually
MA5600T(diagnose)%% display unresumed-configuration
For the need of command:
MA5600T(diagnose)%% display unresumed-configuration
Not all commands have the same syntax from version to another, if we upgrade using database, the database upgrade tool replaces old commands with the new ones.
but in our case, we used configuration to upgrade, so commands used in configuring new version will have old synatx.
Some of these commands will have no meaning at the new version, to know which commands hadn't taken effect, we need to use that command, then check at version release what are the new equivilant commands to these ones and run them to have similar configuration like the old one.

useful info for trouble shooting
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