Table of Contents
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Chapter 10
Redundancy and Fail-Over
Application Upgrade
Unload the application in the standby SCE platform.
Step 1
Load new application to the standby SCE platform.
Step 2
Make sure that the connection mode configurations are correct.
Step 3
Wait until the standby SCE platform finishes synchronizing and is ready to work.
Step 4
Force failure condition in the active SCE platform.
Step 5
Upgrade the application in the former active SCE platform.
Step 6
Remove the force failure condition in that platform.
Step 7
After the former active SCE platform recovers and is ready to work, it may remain the standby or can be
Step 8
manually switched back to active.
Simultaneous Upgrade of Firmware and Application
In the standby SCE platform:
Step 1
a.
b.
c.
Force-failure in the active SCE platform.
Step 2
This makes the updated SCE platform the active one, and it begins to give the NEW service.
Repeat step 1 for the (now) standby SCE platform.
Step 3
Since this includes a reboot, it is not necessary to undo the force failure command.
OL-7827-12
Uninstall the application.
Upgrade the firmware (this includes a reboot).
Install the new application.
Cisco SCE 2000 and SCE 1000 Software Configuration Guide
System Upgrades
10-13
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