@Ib1netmon OK, figgered it out. Top port on one of the XE75 Pro units is whacked, to use the technical term. It puts up link on the ethernet connection, but traffic isn't passing, possibly only in...

@Ib1netmon I am zeroing in on the issue, looks like it is just one of the XE70 Pro units having a problem on that 3rd port. Naturally, it was the one that I chose to use as my main unit.

@David-TP After getting a stable configuration, I did more testing. The XE75 is working fine, using the third (top) port for either a client OR backhaul. BUT if I move the backhaul link on my main...

@David-TP Hi, David. Yes, the wired backhaul works fine on the other two ports on all three units. I have it all working fine using a switch instead of the third port on the main unit, and of course...

The top Ethernet port will not forward traffic. At all. It will light up a switch, showing link and some activity, but no traffic will flow. Any other Deco backhauled to that top port will lose...