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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter8 Cisco Transport Controller Operation
8.8 Software R evert
To perform a supported (non-service-affecting) revert from Software R5.0, the release you want to revert
to must have been working at the time you first activated Software R5.0 on that node . Because a
supported revert automatically restores the node configuration at the time of the previous activation, any
configuration changes made after activation will be lost when you revert the so ftware. Downloading
Release 5.0 a second time after you have activated a new load ensures that no actual revert to a previous
load can take place (the TCC2/TCC2P will reset, but will not be traffic affecting and will not change
your database).