No, The EE sim is working fine (although the Meraki registers it as Tesco for some reason).  The best way to check functionality and make sure it is live is in Appliance Status -> Tools, then run a Traceroute and MTR on the line, comparing to the WAN connections.  On the Traceroute I had pings - but followed by a "N!" when it was not correct On the MTR I had 100% packet loss when not correct   Now it's sorted they look similar to the same tests on the WAN lines. ... View more