How to install Security Patches on VSX Cluster gateways on R80.10

[BeaconBits]

Hello mates,

Can anyone would guide me to

How can I install security patches of VSs of a VSX cluster?

Scenario:

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Two VSX boxes are being clustered and both VSX boxes have 3 VSs.

Installing security patch on Active VS would do it on the Standby as well?

Do I need to failover manually???

Please guide!

Regards,

B