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Thank you for the advice. The upgrade was successful.
The only issue was that the active chassis reloaded while the standby chassis was not yet fully operational.
The downtime lasted about 5 minutes, after which the standby chassis began forwarding t...
This chassis is located at the DR site, and any incident occurring there will not impact service availability. I would like to confirm whether it is advisable to perform the upgrade directly using ISSU.
My question is whether ISSU is actually supported for my exact upgrade scenario.I know the 17.9 release notes say ISSU is supported only when upgrading from 17.6.x → 17.9.x, and my switches are currently on 17.3.7.
However, I found an official Cisco ...
Hi everyone,
I have two Catalyst 9407 chassis, each with a single supervisor, running in a StackWise Virtual pair.My current IOS-XE version is 17.3.7, and I am planning to upgrade to 17.9.6a.
I read the Cisco documentation https://www.cisco.com/c/en/...
