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Catalyst 6500 Series Content Switching Module Configuration Note
OL-4612-01
Chapter 7 Configuring Redundant Connections
Configuring a Hitless Upgrade
The standby CSM boots as standby with the new release. If you have sticky backup enabled, keep the
standby CSM in standby mode for at least 5 minutes.
Step 4 Upgrade the active CSM.
Step 5 Reboot the active CSM.
When the active CSM reboots, the standby CSM becomes the new active CSM and takes over the service
responsibility.
Step 6 The rebooted CSM comes up as standby.
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