How does downstream/upstream switch/router know which is active firewall after failover/failback in Active/passive mode

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How does downstream/upstream switch/router know which is active firewall after failover/failback in Active/passive mode

L1 Bithead

How does downstream/upstream switch/router know which is active firewall after failover/failback in Active/passive mode?

 

 

1 ACCEPTED SOLUTION

Accepted Solutions

L4 Transporter

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

Pavel Kucera

View solution in original post

1 REPLY 1

L4 Transporter

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

Pavel Kucera

View solution in original post

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