I could not find any information of multicast processing on layer 2 mode for PAN. I wonder about that how do PAN deal with multicast traffic such as HSRP, VRRP and OSPF (that use multicast addressing) on layer 2 mode.
I believe that PAN would bypass and forward multicast traffic but I'm not sure.
Please answer me above question.
Does following article answer to your question?
By default, a Palo Alto Networks firewall will not block multicast traffic when configured in Layer-2 Mode.
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