I should qualify and say - trying to talk. I have a small lab with a couple of servers, a couple of NAS devices, a switch a router... all the toys to make for a pleasant evening of testing. I have sub interfaces on my router and traffic is getting ou...

I have an initially installed a ISR 4221.    I have tried a few iterations of the configuration, and have ended up at the same impasse a few times.   Best description is that when I use the UI to test the WAN interface I get to the ISP, get DNS servi...