i just received my Firewalla Blue Plus and added it my network in simple mode (attached to a Unifi managed switch that is directly attached to the UDM). FWIW i´m also using a Pi-Hole with unbound for my DNS needs.
To my dismay it´s immediately causing issues. It makes my Internet drop out intermittently. Every 2-20 Minutes i will have short internet outages that i can see on a client constantly pinging the google DNS as well as on the Firewalla Network Performance Log.
There it shows as Internet Disconnected and Internet Restored. The outages range from 30 seconds to 1 minute.
When i remove the Firewalla, everything is back to normal again.
Things i´ve tried so far: removed all Unifi Switches and APs from monitoring. Didn´t help though.
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