10-21-2021 06:41 PM
How does downstream/upstream switch/router know which is active firewall after failover/failback in Active/passive mode?
10-21-2021 07:04 PM
Thank you for posting question @perumalj
Depending on HA configuration the interfaces of Passive Firewall will be either Shutdown or in Auto Mode where interface will be up and downstream device will learn about failover by GARP for IPv4:
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000PLVICA4
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Cm0ACAS
Kind Regards
Pavel
10-21-2021 07:04 PM
Thank you for posting question @perumalj
Depending on HA configuration the interfaces of Passive Firewall will be either Shutdown or in Auto Mode where interface will be up and downstream device will learn about failover by GARP for IPv4:
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000PLVICA4
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Cm0ACAS
Kind Regards
Pavel
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