We've noticed that LACP doesn't work consistently and properly for Aggregate Ethernet interfaces between Palo Alto Networks firewalls (all running PAN-OS 8.0.6-h3) and Cisco ACI 3.1 switch hardware. On the PAN-OS side, I've got LACP set to active mode, slow transmission, no fast failover. On the Cisco ACI side, it doesn't work when set to LACP "active". It says it isn't getting LACP PDUs. It has to be set to LACP "on" for it to work correctly and consistently.
Does this mean that Palo Alto Networks doesn't have a proper implemenation of LACP active in PAN-OS 8.0.6-h3? Just curious.
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