Some how I got it working, I ended up checking ON the "Get IP with Unicast DHCP" check box and then did a couple more power cycles and the router finally got the WAN IP address from my Arris modem....

@Carl I tried the steps in that post but doesn't seem to work. The internet remains orange/red and doesn't show green. I then tried the same steps as before by cloning MAC address and release/renew...

Hi, I was originally using my Arris SBG6900-AC modem as my router too with Xfinity and it was working fine. However, I purchased the Archer A8 because I wanted to set up a "one mesh" network with my...