How Does the "Highlight Unused Rules" Option Work on Panorama?

Reply
L2 Linker

How Does the "Highlight Unused Rules" Option Work on Panorama?

As far as I am aware Panorama doesn't have counters so are the unused rules identified based on counters or similar from the devices in the device-group or based on traffic logs?

L5 Sessionator

Re: How Does the "Highlight Unused Rules" Option Work on Panorama?

Hello CHammock

Each managed device maintains a flag for the rules that have a match. Panorama monitors each device, fetches and aggregrates the list of  rules that do no have a match. On managed firewalls, that flag is reset when a dataplane reset occurs on a reboot or a restart,

Hope that helps!

Thanks and regards,

Kunal Adak

L2 Linker

Re: How Does the "Highlight Unused Rules" Option Work on Panorama?

That is perfect exactly what I thought would happen, as in its logical and consistent.  So the fact that my panorama logs are rolling every month won't affect the highlight unused rules.

L2 Linker

Re: How Does the "Highlight Unused Rules" Option Work on Panorama?

In an Active/Passive device pair NOT managed by panorama, would the flag be synchronized between devices?

Highlighted
L4 Transporter

Re: How Does the "Highlight Unused Rules" Option Work on Panorama?

i also noticed that this Flag is match to a rule by its "name" so if you changed the rule name it will be marked with no hits

Like what you see?

Show your appreciation!

Click Like if a post is helpful to you or if you just want to show your support.

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 Live Community as a whole!

The Live Community thanks you for your participation!