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On our pair of PA-3220 HA-1B connection was OK until we upgraded to 8.1.4 After the upgrade HA-1B has link, but apparently there is no traffic at all and as a result HA1-backup does not work at all. I tried a lot of things (ip change, various cables, direct connect and switch connect) but nothing works Using Management Ports for HA-backup is working ok.
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