I have both PA-3220 HA1-A and HA1-B links connected back to back to each other with a previously verified cable but only HA1 is coming up greeen while HA1 Backup is showing down. The HA1-B interface LEDs on both PA-3220 show green.
Any feedback or suggestion is greatly appreciated.
What release are you on? In 8.1.4 there's a bug involving the HA1-B does not come up as expected. Fixed in 8.1.4-h2 and later.
From the release note on 8.1.4-h2:
Fixed an issue on a PA-3200 Series firewall running PAN-OS 8.1.4 in an HA configuration where the HA1-B (backup) port did not come up as expected.
Same issue on PA-3220 with PAN-OS 8.1.8.
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