@Heidi_Alp Yes, I added the M9 as a satellite mesh node (still learning the lingo). Then I connected the M9 to the modem via CAT5. Nothing changed, but admittedly, I did not give it a lot of time,...

@Molaker I answered my own question since I was too impatient to wait for a response. I installed my new M9 onto the newwork it settled down and was showing green, I connected a CAT5 cable from the...

I need to add a couple more routers to my Deco network. My original network is three M5s and it is operating fine except I need to expand it with a couple more routers. I have ordered three new M9s...

@Molaker The problem remains cured. One of the days I might switch routers back to original configuration to verify, but not now.

@David-TP Yes. The main Deco was connected to the 1 gbps switch via CAT5 cable. The new main Deco now has the Ethernet CAT5 cable connection. I'm not sure how this configuration would affect devices...

FYI - I have a 3 M5 router mesh that has been in operation for a little over a year. I have an 8-port 1 gbs switch connected via ethernet cable to my main mesh router with 6 devices connected to the...