Hello,
I'm using an android smartphone for usb-tethering on a raspberry pi with actual openwrt.
So far so good.
But I'm not successful with ddns-service.
Why does the client try to update the local interface-ip to my provider.
Can anyone give me a hint?
Here's the log from /var/log/ddns:
171208 : last update: never
171208 : Detect registered/public IP
171208 : #> /usr/bin/nslookup heckenweg.spdns.eu >/var/run/ddns/HeckenwegSPDYN4.dat 2>/var/run/ddns/HeckenwegSPDYN4.err
171208 : Registered IP '80.187.121.229' detected
171209 info : Starting main loop at 2021-11-29 17:12
171209 : Detect local IP on 'interface'
171209 : #> ip -o addr show dev usb0 scope global >/var/run/ddns/HeckenwegSPDYN4.dat 2>/var/run/ddns/HeckenwegSPDYN4.err
171209 : Local IP '192.168.42.137' detected on interface 'usb0'
171209 : Update needed - L: '192.168.42.137' <> R: '80.187.121.229'
171209 ERROR : No or private or invalid IP '192.168.42.137' given! Please check your configuration
171209 ERROR : No update send to DDNS Provider
171209 : Waiting 600 seconds (Check Interval)