Thanks for your answer!

Firmware on RBR850 and all RBS850 is: V4.6.8.2.

Modem is: Technicolor TC8715 cable modem attached to Mediacom Gigabit Cable ISP (barely get 550 Mbps), but I don't think that's related. The pings to the router continued uninterrupted on the second satellite, plus the computer connected to it never lost internet connection. I had ssh connections via VPN to my work system and never dropped those. I believe I've isolated the issue to the RF connection from the other RBS850 to the RBR850.

The distance between the router and satellite could be the issue. They are close together (< 30 ft). The router is behind my TV in the living room. The satellite with the issue is probably 20 ft away in the dining room on the same floor (used as an office). The entire house is 3,600 square feet with three floors.

I wanted to connect directly to the RBS850 with Ethernet to eliminate possible interference on the Wi-Fi bands.

I'm currently using Auto channels for Wi-Fi, but I don't think that's related here since we're connecting the critical computers (mine and my wife's work computers) via Ethernet.

We have a few Wi-Fi neighbors, but again, I don't think that's related. It's looking like either the RBS850 is dropping connection to the router via its RF radio. Two computers connected to the troublesome RBS850 via Ethernet both dropped pings during the time of the issues -- eliminating NIC cards, etc. on the computer.

The issue happened at least several times per hour. I finally ended up connecting that computer via Wi-Fi and haven't had any issues. I was hoping to connect the critical computers and set top boxes, etc. to the satellites or router via Ethernet for both security and performance reasons (staying off of the Wi-Fi infrastructure).

I'm thinking of factory resetting the RBS850 with the issue and letting it update the firmware again.

Thoughts?

Thanks.

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