So, we got this GenieACS with its port 7547 and STUN operating at port 8547.
The CPE initially reports to the ACS but if I check the STUN packets, my CPE sends Binding request to the STUN but I never see Binding response back. Instead what is see is a lot of Destination Unreachable ICMP packets whose source is the STUN and the destination is my CPE. Eventually, STUN linking with the CPE fails.
And the rest is the same story, NATDetected is zero, UDPCONNREQADDR is empty.
All of us here at GenieACS forum, do we know why this issue keeps coming with STUN and how we can resolve it ? If you need any info, please feel free to ask.