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RUT950 with firmware RUT9_R_00.07.02.3. After latest upgrade suddenly the DDNS update is not working anymore through noip.com. Provider is T-mobile datasim wich is the only active interface for WAN traffic (SIM1). Public ip address is accessible because if i manual adjust this ip in noip.com the device is accessible. Also in RMS management portal it shows N/A at WAN ip address. Although it is just accessible through the RMS management portal.
In logfile many entry's for: user.warn ddns-scripts: NOIP: Get local IP via web failed - retry 106/0 in 60 seconds
The setup worked flawless for about 1,5 years. What could be wrong?