The LAN side it defaults to 24 hours, WAN side is unknown but that really does not dictate if the IP Address changes. ATT could change it at any point and if set to static, would have to manually...

Yes, I have set DNS to Google's DNS Server for Primary and Cloud Flare for backup. This only affects looking up a website not doing the actual data transfer.

@Ocvl Thought about doing that but really didn't want to have to deal with AT&T changing the WAN IP Address, though not sure how often they do that.

@JDThreeee OK, I unplugged my Deco, plugged in a spare Windows 11 24H2 Laptop I have with a different ethernet cable directly to the BGW320 (passthrough is set to DHCPS-dynamic and that is only thing...

@jzchen I messed around with it this morning before kicking of my day. Having the complete opposite results as you with the Deco x55 Pro. Rebooted once, it retained WAN addresses, rebooted a second...

@yves_b It does, I have a screenshot in the BGW320 Home Network Devices Client list where it shows the same MAC address for my Deco with two different IP Address's (local LAN and WAN). This is why I...