I have opened this with TAC a while ago but I continue having issues with Layer 3 not passing through the untrust/internet interface at random times. I have had this happen 5 to 10 times on different PA-200's. Some have repeated. I was hoping a firmware upgrade to 6.1.3 would finally fix this but yesterday one of my first 6.1.3 units locked up. Layer 2 is fine. I look in my router and the ARP entry for the PAN is in there. I clear ARP table and it repopulates with MAC/IP as the PAN responds correctly.
Rebooting the router doesn't do anything for the PAN to pass Layer 3 again. The only way to get PAN to pass Layer 3 again is a reboot of the PAN itself. We are running LSVPN on all spoke sites for VPN and the only curveball is that my hubs are on older 6.0.5h3 code. Just throwing this out there for discussion in case others have seen it.
I don't have a real solution, but you could try just restarting the routing service instead of the entire PAN device.
>debug routing restart
>debug software restart routed
panos - We have upgrades to 6.1.3 scheduled for this week. Are there any particular fixes in there that would address what I am seeing? I am also working on applying 6.1.3 to all spokes as well. 6.1.2 is not very stable for us. I guess I want to make sure we're not just throwing spaghetti at the wall just because we have a pot of it. I will try anything but if there are some known issues addressed, I'd like to know.
I had same issue like You, but more often I have issue related to out os system resources on my PA200. In my case its started on 11.2014 when I moved to 6.1.0 and after on 6.1.1 and 6.1.2
Now I'm on 6.1.3 since 2 two days. Is too early to tell is something changed.
According to support this issue will be fixed in 6.1.4 (I have case opened for this bug)
Specifically, we use GlobalProtect LSVPN to connect all 55 current remote sites, going to 70 shortly. Under 6.1.2 on remote sites and 6.0.5h3 at hubs in datacenter we would see intermittent issues where routes to remote sites are not installed in RIB on the hub so tunnel is declared active on both sides but no traffic passing between remote and hub. Also, on satellite remote sites we would see dataplane full lockup on layer 3. So no routing of traffic until reboot of dataplane or entire firewall on remote sites. Layer 2 and management are fine but that's not worth much. .
6.1.3 on hubs and remote sites seems a great combination so far after the past week. If you're considering 6.1.2 I would say either hold off or go to 6.1.3. The "gold standard" is currently 6.0.8 but with LSVPN and versions we had already in production 6.1.3 was the right choice. I'd say at this point at least 90% improvement over prior versions of code with 6.1.3.
I would say that the typical manual IPsec VPNs tend to work fine without issue so it is limited to GlobalProtect prior to 6.1.3 but at this point we're solid on this version.
Keep in mind that there are A LOT of bug fixes in 6.1.3 over 6.1.2 and I would scour the list to make sure whatever way you are utilizing the PANs you are checking off the list in 6.1.3 in case there's a bug.
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