1.1.1.1 issues with Frontier FiOS or Meraki

Within the last week or so, without any network changes on our end, 1.1.1.1 is no longer pinging (100% packet loss), and it appears that it’s not working for DNS lookups anymore. 1.0.0.1 works.

We have Frontier FiOS, and Cisco Meraki. Note that we’ve had this exact setup for about 3 years now, and have been using 1.1.1.1 since the week it came out, so I’m flummoxed as to why 1.1.1.1 is no longer working.

Note that when I VPN outside, or SSH into one of our external servers, pinging 1.1.1.1 works just fine.

Any ideas?

Here you go!

My neighbor with Frontier is able to ping 1.1.1.1 without issue, so it’s likely Meraki. I’m going to open a case with them as well.