Comcast sent me a new cable modem (XB3) - something about needing it for improved service or new functionality. I thought the old one was big, but the new one (right) is huge.
I did a little before and after testing. No obvious change and I'm clearly not getting
2 Gbps.
Before:
After:
The new cable modem also has 802.11ac support - which is an improvement over my
802.11n ASUS router. I've flipped my
TV and phone over to the AC wireless to test and I saw the expected speed improvements.
And, of course, the new cable modem is not configured for
bridge mode. I had resigned myself to making another couple of calls, but I noticed the bridge mode button is actually available from the web console. I need to put my phone and TV back on my wireless router before I can test - bridge mode disables the Comcast wi-fi.