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Chapter 10
Redundancy and Fail-Over
Replacing the SCE platform (manual recovery)
This is done in two stages, first manual installation steps performed by the technician, and then
automatic configuration steps performed by the system.
•
•
Manual steps:
Disconnect the failed SCE platform from the network
Step 1
Step 2
Connect a new SCE platform to the management link and the cascade links (leave network ports
disconnected.)
Configure the SCE platform.
Step 3
Basic network configurations done manually (first time).
Step 4
Step 5
Load application software (Service Control Application for Broadband ) to the SCE platform. Provide
application configuration.
Connect the traffic ports to the network links.
Step 6
Automatic steps (in parallel with the manual steps, requires no user intervention):
Establishment of inter-SCE platform communication.
Step 1
Synchronization with the SM.
Step 2
Copying updated subscriber states from the active SCE platform to the standby.
Step 3
Reboot only (fully automatic recovery)
Reboot of the SCE platform.
Step 1
Basic network configurations.
Step 2
Establishment of inter-SCE platform communication.
Step 3
Selection of the active SCE platform.
Step 4
Synchronization of the recovered SCE platform with the SM.
Step 5
Copying updated subscriber states from the active SCE platform to the standby.
Step 6
OL-7827-12
Manual steps:, page 10-9
Automatic steps (in parallel with the manual steps, requires no user intervention):, page 10-9
Cisco SCE 2000 and SCE 1000 Software Configuration Guide
Recovery
10-9
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