Why are external zones required to be configured on a Palo Alto Networks NGFW in an environment with multiple virtual systems?
Why are external zones required to be configured on a Palo Alto Networks NGFW in an environment with multiple virtual systems?
External zones are required to allow traffic between zones in different virtual systems without the traffic leaving the appliance. This enables efficient routing and security policies enforcement within the firewall itself, eliminating the need for traffic to exit and re-enter the device, thus optimizing network performance and security management.
C External zones are required to allow traffic between zones in different virtual systems, without the traffic leaving the firewall. https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-admin/virtual-systems/communication-between-virtual-systems/inter-vsys-traffic-that-remains-within-the-firewall/external-zone
C, agree with you
C, Its a no brainier. https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/virtual-systems/communication-between-virtual-systems/inter-vsys-traffic-that-remains-within-the-firewall/external-zone#id9c2d335e-6e93-4df1-80d4-461e9eaf92b4