As per my info PA does not support
PIM Dense Mode (PIM-DM), IGMP proxy, IGMP static joins, Anycast RP, GRE, or multicast configurations on a Layer 2 or virtual wire interface type.
It only supports Protocol Independent Multicast (PIM) on a Layer 3 interface that you configure for a virtual router on the firewall. For multicast routing, the Layer 3 interface type can be Ethernet, Aggregate Ethernet (AE), VLAN, loopback, or tunnel.
Unless someone correct me here.
Hey @SThatipelly ,
Default behaviour it to forward all multicast traffic in vwire mode - How to Block Multicast Traffic in a VWire (Virtual Wire) Setup - Knowledge Base - Palo Alto Networks
"Multicast traffic is blocked in the Layer-3 mode by default, but is forwarded by default in the Virtual Wire mode."
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