The palo alto TAC say the stable version for 8.1 is 8.1.3. We will upgrade to 8.1.5 in the next days. In 8.1.5 fix a lot issue related with panorama M-series and VM. So also in this new release PA do not adding any new features. I hope this version is more stable that 8.1.3.
what kind of issues do you have with 8.1.x?
We've been having some really wierd issues with the Palo Alto on 8.1 code. I've seen issues with some application signatures breaking. One of them was RTP, which we use for our fax server. It should allow all of the dynamic UDP ports, but some ports were being blocked between the fax server and the call manager. This was on 8.1.3, and we've upgraded to 8.1.4 now.
We've had issues with the Globalprotect data file not updating. That was sorta fixed in 8.1.4. I'm still having issues with HIP check on Globalprotect, but it's random.
The main thing we're seing that is troublesome is, at random intervals Office 365 traffic will get denied on the firewall for no reason. We're using Minemeld to grab the list of updated IP's from Microsoft, and I compared those to an actual IP list from a powershell script that gets the IPs. I compared the 2 text files and they are identical, so I have no clue as to why traffic is getting blocked intermittently.
Honestly, it feels like things get better every time we upgrade to a newer build, but it never feels as stable as 8.0 was. Have you upgraded to 8.1.5 yet? If so, have you noticed any issues?
Not yet, This 12/12 We will proceed to upgrade one panorama to 8.1.5 and Thuerday one 3260 upgrade to 8.1.5. I hope to have good news for you.
But I hope this release not show critical issues.
In this link you can see the critical issues fixed in each release
That's interesting that TAC informed you that PAN-OS 8.1.3 was recommended, I know for a fact that PA-3200 series have internal path monitoring failures occurring on PAN-OS 8.1.3 which causes the dataplane to restart (fixed in 8.1.4).
8.1.4 looks to be fairly recommended if you're not using Panorama from what I've seen. Otherwise, we'll see what 8.1.5 has to bring to the table with regards to stability since that does have a number of Panorama fixes as you mention.
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