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FMC upgrade impact

Support ACME
Level 1
Level 1

Dear ALL,

 

We are planning to upgrade the FMC to 6.4.0, and the two firewall 5508-X is running HA mode.

During the FMC upgrade, is it the firewall no any impact such as down or need to reboot?

And the FMC, is it will loss the traffic/event log  during the whole upgrade period?

 

ACME

1 Accepted Solution

Accepted Solutions

Yes, events that were captured on the Firepower devices will be passed to the FMC once it is back online. 

Thank you for rating helpful posts!

View solution in original post

3 Replies 3

nspasov
Cisco Employee
Cisco Employee

Hi there:

1. No, there is no service impact on the 5508s while the FMC is doing the upgrade. The devices will continue to operate based on their latest configuration that was pushed from the FMC

2. The FMC will stop ingesting logs when the upgrade process starts. The 5508s will continue to log to their local storage until it becomes full. Thus, there might be some historical logs that are lost. As a result, it is recommended that you configure your devices to log to an external syslog/SIEM solution.

I hope this helps!

Thank you for rating helpful posts!

Dear Nspasov,

 

2. The FMC will stop ingesting logs when the upgrade process starts. The 5508s will continue to log to their local storage until it becomes full. Thus, there might be some historical logs that are lost. As a result, it is recommended that you configure your devices to log to an external syslog/SIEM solution.

 

If the FMC upgrade is completed, the log stored on the 5508s local storage will send back to FMC or not?

Yes, events that were captured on the Firepower devices will be passed to the FMC once it is back online. 

Thank you for rating helpful posts!

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