Thank you for posting question @corporatenw
All firewalls shipped from the factory have two Ethernet ports (ethernet1/1 and ethernet1/2 ) preconfigured as virtual wire interfaces (default-vwire), and these interfaces allow all untagged traffic. The reference is here in the documentation: https://docs.paloaltonetworks.com/pan-os/10-0/pan-os-admin/networking/configure-interfaces/virtual-w...
The rest of the data plane interfaces are using interface type: Tap. With default configuration you should not cause any loop.
Click Accept as Solution to acknowledge that the answer to your question has been provided.
The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!
These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!
The LIVEcommunity thanks you for your participation!