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Also had some netflow issues after this update.  everything up to 26.1.5 was fine, system load running at ~0.5 at normal.  As soon as I updated to 26.1.6, system load was immediately at 1.5 - 1.9.  I did

Culprit was flowd_aggregate.py which is related to 'Insight Aggregator' service, which is weird because that file hasn't been touched in over a year:

Code Select Expand

root@artimus:/home/dbyrd # ps aux | grep python
root    66256 100.0  0.3  35072  21564  -  Rs  12:55    1:01.25 /usr/local/bin/python3 /usr/local/opnsense/scripts/netflow/flowd_aggregate.py (python3.13)

For my particular issue, I was able to resolve by going to Reporting -> Settings then click 'Repair Netflow Data' and then 'Reset Netflow Data'.  I did these in quick succession, so I don't know which one exactly solved my issue.

I successfully applied the patch and it works fine.
I'd like to report that in the rules list, in the legacy view, hovering over aliases displayed a tooltip with a preview of the values they contain. In the new view, however, the tooltip shows "Edit alias," which is convenient if you need to modify it. It might be even better to also display the alias values and add "Edit alias" at the bottom.

This also worked in the automation rules prior to 26.1.3.  I miss that feature cause I liked being able to hover over it and seeing if I need to update the alias instead of CTRL+Click it to open a new window.

I am running the VP2430 as my main router with 8G of ram and multiple vlans.  I use the default LAN for my house stuff (wife's computer and all wireless); then I use port 3 run directly to my office with two vlans.  A vlan for my main stuff (work computer, personal workstation, and my nas), then another vlan that runs to a VP6650 running a virtual OPNSense and all of my home services (*ARR, Plex, etc) and my actual lab (4 DMZ networks that is 100% virtual).

I have had zero performance issues from the VP2430.  System runs around 0.16 load average and around 1G system memory usage and about 2G for ARC.

I went with the all in one solution (Protectli) lab network to be stable, and my network lab to be easily rebuildable (virtualized).

I use them to group different rules together and can see them visually.

Also a smooth upgrade experience for me.  Upgraded my lab firewall (virtual on proxmox) on release day and then upgraded my hardware firewall (Protectli VP2430/8GB) this morning without issue.

My hardware appliance took a little bit longer than I expected to reboot and I was getting pretty nervous but it came back up!

I am a pretty new OPNsense user and have been using it full time since November (25.7) and immediately started using Automation rules vs the now legacy rules.  I only had to migrate 4 rules between the two firewalls.  I love the Automation/New Rules and category grouping, it really helps me visualize traffic flow much easier so I don't duplicate rules or have them out of order.


Great work OPNSense team!