PCNSE · Question #447
When deploying PAN-OS SD-WAN, which routing protocol can you use to build a routing overlay?
The correct answer is C. OSPF. In PAN-OS SD-WAN deployments, OSPF is the designated routing protocol used to build and maintain the dynamic routing overlay between connected firewalls.
Question
When deploying PAN-OS SD-WAN, which routing protocol can you use to build a routing overlay?
Options
- AOSPFv3
- BBGP
- COSPF
- DRIP
How the community answered
(26 responses)- B4% (1)
- C92% (24)
- D4% (1)
Why each option
In PAN-OS SD-WAN deployments, OSPF is the designated routing protocol used to build and maintain the dynamic routing overlay between connected firewalls.
OSPFv3 is for IPv6 routing and is not the default or primary protocol for building the general SD-WAN routing overlay.
While BGP can be used in some advanced SD-WAN scenarios or for routing between SD-WAN and external networks, OSPF is the primary protocol documented for building the internal SD-WAN routing overlay.
OSPF (Open Shortest Path First) is the specified routing protocol in PAN-OS SD-WAN that firewalls use to build and maintain the routing overlay across the VPN tunnels connecting the sites.
RIP is an outdated routing protocol with significant limitations and is not suitable for modern SD-WAN deployments.
Concept tested: PAN-OS SD-WAN routing overlay protocols
Source: https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-admin/sd-wan/sd-wan-configuration/sd-wan-dynamic-routing-protocols.html
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