@crrodriguez First things first; thanks for responding. I appreciate it. When you say it defaults to 1492 I find that odd. Mine, on both devices were set to 1500. MTU = 1492: 530 down / 417 up MTU =...

@crrodriguez I believe it connects via PPPoE. All I need to do is set the VLAN to 35 and I'm good to go. I am also actually unable to check the MTU of the ISP router. Like I say, it's a terrible...

@Virgo In my original comment I wrote the following: "To eliminate the possibility of hardware failure, I bought another ER7206 and got the same results." The only thing I changed was the VLAN so...

My ISP gives out 1000Mbps up and down. If I take out the SFP and do the proper VLAN tagging, I rarely get over 500 up or down. In speaking with support (who are sympathetic to the issues), we have...