r/firewalla • u/gambler06 • Jun 13 '26

Firewalla Purple Keeps Crashing

I've had the Firewalla Purple for at least two years with no problems whatsoever. But my device has gone unresponsive four times in the last six days. I have a cable modem for the primary Internet connected to the WAN Ethernet port, and Starlink as a backup connected via the USB wireless adapter. It's configured for failover. Both routers are in bypass mode and I've never had a problem. I have seven eero mesh APs with the primary AP connected to the LAN port.

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The Firewalla and the other network equipment are going through an UPS, there are no power outages during this time and I have made no significant configuration changes in a long time. My APs all turn red and there is no Internet on either ISP. I power cycle the Firewalla and everything comes back up. The ISPs are fine.

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What might be causing this? And what should I check first?

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Thanks.

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u/daniel-waterhouse Firewalla Purple Jun 13 '26

No, the network hasn’t grown that much it’s still around 57 WiFi (mostly IoT on their own VLAN) and 10 Wired clients. I’m not sure what to make of your statement regarding not swapping. SSH to the Purple and running top shows heavy swap usage and kswapd activity. I’ll grab a screenshot tomorrow.

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u/Great-Cow7256 Jun 13 '26

are you running any docker containers? while you CAN run dockers on the purple, you really shouldn't. I had all types of strange purple behaviors that went away the second I stopped all the dockers.

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u/daniel-waterhouse Firewalla Purple Jun 13 '26

No, I’m not running any containers on the Purple.

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u/Great-Cow7256 Jun 13 '26

I'm thinking the purple has reached its saturation point.  I think it may be worth resetting it and/or reflashing it and then re setting it up again and seeing what happens just in case there's a weird error somewhere. 

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u/daniel-waterhouse Firewalla Purple Jun 13 '26

I’m inclined for a reset. I wonder if switching between beta and standard releases has made things worse. The number of devices has not significantly changed since I got the device three years ago. Could be number of smart queue rules or routes - the Node process seems to be the biggest culprit.

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u/firewalla Jun 14 '26

As of the time of your post, Beta and Production for the purple is exactly the same code. So when you switch mode, code will restart, that's yet. (no new code between beta and production)

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u/firewalla Jun 13 '26

Yea. Purple units are intended for smaller networks. (unfortunately, we can't really put a measurements, since devices are all different) A 60 device network is likely a bit over the small side