Adding a firewall back into a AP cluster that has outdated network and device settings

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Adding a firewall back into a AP cluster that has outdated network and device settings

L0 Member

Hi All,

 

I'm curious if anyone can provide an article or just some basic steps of adding a firewall back into a AP cluster that has "outdated" network and device settings.

 

Firewall-02 was moved to a new location and has a new IP scheme for the network and device settings.

Firewall-01 will be physically moved and needs to rejoin the cluster, but it does have outdated IP settings.

 

I'm assuming the first step is to power up 01 without any copper/fiber connected and console into 01 and update the device management IP first.

1 accepted solution

Accepted Solutions

Cyber Elite
Cyber Elite

Step 1 - Take config backup from both firewalls (Device > Setup > Operations).

Step 2 - Make sure that "Device Priority" of Firewall-02 is lower than Firewall-01 to make sure Firewall-02 stays active firewall.

Step 3 - Cabling (at minimum HA1 cable).

Step 4 - Click "Sync to peer" in Firewall-02 (Dashboard > High Availability widget).

 

If you click "Sync to peer" on Firewall-01 you will push old nic scheme from Firewall-01 to Firewall-02 and your network will go down!

 

In addition mgmt IP change as you pointed out.

Enterprise Architect, Security @ Cloud Carib Ltd
Palo Alto Networks certified from 2011

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3 REPLIES 3

Cyber Elite
Cyber Elite

Step 1 - Take config backup from both firewalls (Device > Setup > Operations).

Step 2 - Make sure that "Device Priority" of Firewall-02 is lower than Firewall-01 to make sure Firewall-02 stays active firewall.

Step 3 - Cabling (at minimum HA1 cable).

Step 4 - Click "Sync to peer" in Firewall-02 (Dashboard > High Availability widget).

 

If you click "Sync to peer" on Firewall-01 you will push old nic scheme from Firewall-01 to Firewall-02 and your network will go down!

 

In addition mgmt IP change as you pointed out.

Enterprise Architect, Security @ Cloud Carib Ltd
Palo Alto Networks certified from 2011

Thanks for this!

Thanks for the solution 🙂

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