RBR50 with 7 Sats High CPU utilization

---

AwesomeQA wrote:

Hello,

I have 5 Sats currently connected to RBR50 ethernet backhaul and 2 sats connected as wireless backhaul with the latest firmware 2.5.1.32.
I noticed that RBR50 CPU runs between 80% to 90% with 25 connected device and armor enabled, devices are cell phones, and smart tvs.

---

That is a LOT of Orbi.  There are two simple experiments that can be tried.

• Disable Port Scan and DoS Protection.  On the Advanced Tab, Setup, WAN Setup.
  Orbi includes routines in the "iptables" function to keep track of connection attempts and writes a message to the log file when the routine flags "an attack".  This consumes processing power as every packet has to be examined.
  Disabling the feature does not make the Orbi more vulnerable, because it will still reject connection attempts.  It simply will no longer go through the analysis and logging phase.
• Deactivate Armor.  I have no idea what Armor is "doing", but if it is doing anything at all, that will consume resources.

There is one other experiment that is more technical: install Voxel firmware.  An engineer in Europe has recompiled a lot of the software in Orbi to take advantage of processor features that make the system run more efficiently.  Each version of his firmware has a forum thread.  I believe the first version is where he describes the effect of changing compile options.

https://www.snbforums.com/threads/custom-firmware-build-for-orbi-rbk50-v-2-5-0-42sf-hw.60308/ 

The firmware has been updated with each Orbi firmware release and to add various features. The latest version can be found here:

http://www.voxel-firmware.com/Downloads/Voxel/html/orbi.html I believe that only the router needs to be changed as an experimet.

We have sort of a mantra on the forum, "if it ain't broke, don't fix it."  Although you observe the Orbi CPU load to be high, is it not working to suit you?  Is there a problem you seek to fix?

Is this usage capture with everything online including wifi and wired devices or just the RBR and RBS alone? Something to try as well. disable ALL wired and wireless devices. Leaving the RBS online. Check CPU usage...

---

AwesomeQA wrote:

Hello,

I have 5 Sats currently connected to RBR50 ethernet backhaul and 2 sats connected as wireless backhaul with the latest firmware 2.5.1.32.
I noticed that RBR50 CPU runs between 80% to 90% with 25 connected device and armor enabled, devices are cell phones, and smart tvs.

I have fiber speed 500 Mbps download, and 128 Mbps.
I have noticed that internal speed test stops running if the RBR50 runs for a week, and acts weird and slows down, so I have to reboot it weekly.
Do you have any suggestion?

 

---

I found that Netgear removed FW version 2.5.1.32.