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seanmc12
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R80.40 - R81.10 Upgrade sequence

I have a few firewalls to upgrade and want to do the management and log server 1 weekend, then do the gateways the following weekend. I know the Management server can be the same or a higher version than the gateway with limitations to the functionality of the lower level. Can the log server be on R81.10 as well while the Gateway is on R80.40?

I have a Central 6500 HA pair and then 4 remote 3800 firewalls. When I go to upgrade, should I do the 6500 HA pair first, then do the remote 3800s or upgrade the remote 3800s, then do the 6500 pair afterwards? When I am upgrading, will this break the SIC connection between them during or after the upgrade?

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