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PCNSE · Question #194

An administrator has enabled OSPF on a virtual router on the NGFW. OSPF is not adding new routes to the virtual router. Which two options enable the administrator to troubleshoot this issue? (Choose…

The correct answer is A. View Runtime Stats in the virtual router. B. View System logs. To troubleshoot OSPF not adding routes, an administrator should view the OSPF runtime statistics within the virtual router for detailed protocol status and consult the system logs for any related errors or warnings.

Submitted by carter_n· Apr 18, 2026Configuration Troubleshooting

Question

An administrator has enabled OSPF on a virtual router on the NGFW. OSPF is not adding new routes to the virtual router. Which two options enable the administrator to troubleshoot this issue? (Choose two.)

Options

  • AView Runtime Stats in the virtual router.
  • BView System logs.
  • CAdd a redistribution profile to forward as BGP updates.
  • DPerform a traffic pcap at the routing stage.

How the community answered

(63 responses)
  • A
    83% (52)
  • C
    6% (4)
  • D
    11% (7)

Why each option

To troubleshoot OSPF not adding routes, an administrator should view the OSPF runtime statistics within the virtual router for detailed protocol status and consult the system logs for any related errors or warnings.

AView Runtime Stats in the virtual router.Correct

Viewing Runtime Stats within the virtual router provides real-time information about OSPF neighbors, interfaces, and routes, which is essential for diagnosing why routes are not being learned or advertised.

BView System logs.Correct

System logs contain critical error messages, warnings, and informational events related to OSPF processes, neighbor state changes, and routing table updates that can pinpoint configuration issues or operational failures.

CAdd a redistribution profile to forward as BGP updates.

Adding a redistribution profile to forward as BGP updates is a configuration change, not a troubleshooting step for OSPF not adding routes. It's about advertising routes, not diagnosing why they aren't learned.

DPerform a traffic pcap at the routing stage.

Performing a traffic pcap (packet capture) at the routing stage is generally not the primary or most efficient first step for troubleshooting OSPF *route learning* issues, as OSPF runtime stats and logs provide higher-level protocol insights first. While pcap can be useful, it's more for deep-dive packet-level analysis after initial checks fail.

Concept tested: OSPF troubleshooting on Virtual Routers

Source: https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/networking/virtual-routers/monitor-virtual-routers.html

Topics

#OSPF#Routing#Troubleshooting#Logging and Monitoring

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