10-30-2019 09:54 AM - edited 02-21-2020 09:38 AM
Hello,
Does someone know why upgrading a peer of FTD's disrupts service, since the peer is upgraded one at a time.
10-30-2019 06:49 PM
10-31-2019 07:33 AM
From version 6.2.3.10 to version 6.4.0
11-02-2019 07:24 PM
10-30-2019 09:22 PM
What sort of service disruption did you observe?
@Francesco Molino is correct - an upgrade of an HA pair of FTD 2130 appliances (assuming your initiated it from FMC) should not cause service disruption. This is confirmed in the 6.5 release notes as follows:
You should not experience interruptions in traffic flow or inspection while upgrading the Firepower software on devices in high availability pairs. To ensure continuity of operations, they upgrade one at a time. Devices operate in maintenance mode while they upgrade.
The standby device upgrades first. The devices switch roles, then the new standby upgrades. When the upgrade completes, the devices' roles remain switched. If you want to preserve the active/standby roles, manually switch the roles before you upgrade. That way, the upgrade process switches them back.
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