Error installing Home Assistant on Green

Can you ping version.home-assistant.io from your network?

Does the different IP shown mean anything?

Have you had the same issue with all devices you’ve mentioned? Do you have any firmware updates available for the router?

I’m trying to but it gets stuck per the image below. Any suggestions?

Your host machine cannot reach version.home-assistant.io. This indicates you have a network problem - perhaps DNS resolution. Can you reach this via another machine (PC)?

Is it just me, or does the log look like some addresses can be resolved, and others not? That would be strange…

Please disable the DMZ Server settings in the router. It is definitly not necessary and can cause a security risk for your whole network! Please disable this!

My router firmware is up to date. The error with installation has been the same for all 3 devices. The issues with the reset are specific to the Green.

I don’t have another PC other than the one that I used for the ping in my previous reply but pinging from my iPhone results in the below:

Just disabled DMZ.

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Just noticed there are other issues related to this so wanted to note that I’m using at Netgear Nighthawk R6700v2 router.

Long shot, but the Lan setup page from your post shows the subnet mask as 255.255.255.0, while all other screens show 255.255.254.0

Would I want to keep my IP from ISP as dynamic or should I set it to static so I can change it to 255.255.255.0? Or should I just change my LAN setup to 255.255.254.0 to match the dynamically provided IP subnet mask from my ISP?

You should not change those settings.

The public subnet mask 255.255.254.0 just means your ISP has a larger pool of addresses they can assign to their customers (508 addresses) than the pool of address you have specified you can use on your internal network (254). These are not related to each other in any way and are different IP ranges.

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My bad. I really should let the coffee kick in before posting.

@clf139 please ignore my uncaffeinated advice.

Any suggestions for further troubleshooting steps or how to proceed?

The reset of the green and the installation on the other devices are likely related to the same issue. A reset of the green requires a connection to the internet. It needs to be able to reach out and resolve the same addresses in order to download what is needed. This is the same for installation on the other devices.

Try changing to something other than google dns like cloudflare’s 1.1.1.1 or quad9’s 9.9.9.9 and rebooting the router, then powering on the Green and observing again?

I set 1.1.1.1 as the primary and 9.9.9.9 as the secondary DNS, rebooted the router, powered on the green, and get the error in the image below. I don’t understand what could be causing this. Any other suggestions?

What is your MTU setting on your router. (under the WAN settings)