Hello Nate,

Sorry to hear you’ve been having problems with the V5 probe.

It seems that your probe is not able to contact the IP echo service at 
ip-echo.ripe.net to derive its IP address. Because of this, IPv4 is presumed to 
be non-functional and the probe will not execute IPv4 measurements.

Can you take a good look at the OPNSense configuration to see if any v4 traffic 
going towards the internet is being filtered?

Regards,

Michel

> On 28 Nov 2022, at 16:31, Nate Weibley <[email protected]> wrote:
> 
> I received a shiny new V5 probe via post on Saturday and got it up and 
> running yesterday on my dual-stack network.  The probe in question is: 
> https://atlas.ripe.net/probes/62490/ 
> 
> It has been operational for about 18 hours and quickly indicated that IPv6 
> connectivity was functional, but it has only momentarily indicated IPv4 
> connectivity was established. I can see IPv4 ICMP and UDP traffic originating 
> from the probe passing through my opnsense router on the IPv4 WAN interface 
> so I know IPv4 traffic is flowing. I also see the correct IPv4 DHCP lease 
> info for my LAN on the probe's network status page. 
> 
> Probe address discovery does not show a valid IPv4 connection address or IP 
> Echo Service listed, only the Local IP of my probe. I've tried power cycling 
> the probe but it doesn't seem to impact this issue. 
> 
> Are there any other troubleshooting steps I should try?
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