Nope no dice. However, it seems like degradation is taking longer to occur now. Whereas it would occur within an hour or two, it now seems to be happening over 24 hours of consistent 1000M...

Alright, so I noticed that the cord in the back of the non-ER605 was a little loose, and I was able to further secure it into the socket. Not sure if that had anything to do with this but it's been...

JUST KIDDING. 😆 It was only waiting another day to degrade to 100Mb/s. So this seems to occur even if Flow Control is enabled and the port is forced to 1000Mb/s. Any further suggestions would be...

Alright @Virgo + @dsj looks like that Flow Control setting is the winner here. After setting last yesterday it has been over 100Mb/s on our connection here through the ER605. It usually takes a...

Funny you mention that @Virgo because both routers are TP-Link routers. :) To be sure here the problem is not modem and router, but router to router. If I plug the modem directly into the 2nd TP-Link...

Thank you for your continued assistance @dsj. I see the following: https://www.tp-link.com/us/configuration-guides/configuring_network/?configurationId=18572#configuring_port_config_6_4 I have...