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Forum Discussion
Dynamic DNS problems on Synnology with Orbi RBR50V2 firmware 2.7.3.22
All of a sudden my Synology DS720 produces Dynamic DNS problems (xxx.synology.me). After quite a bit research the problem is most likey caused by the Orbi (see https://www.synoforum.com/threads/ddns...
What Firmware version is currently loaded?
What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?
Looking at the responces by others there, seems to be a ISP or DDNS service issue rather than a Orbi issue. I don 't see any comments about Orbi in that thread...
Mention of the Orbi starts about page 3 of the thread. I get the impression that this might be another consequence of the V2.7.3.22 firmware. This thread provided an interesting perspective on DDNS. (which I enjoyed.) It had never occured to me that there could be any number of DDNS entries that resolve to the same public IP address. As long as the connection request refers to a port that has been forwarded to a specific IP on the LAN, any number of devices could be using DDNS. They just all have to have different ports on the Orbi WAN side.
I also noticed a comment that the Orbi debug page (at one time) had an option to prevent automatic firmware updates. I do not recall seeing any such option, at least in the past couple of years. A mystery.
Seems like there maybe a problem else where well before page 3 though.
I'll look to see if that option is there on my RBR50 with v22 loaded. I don't recall seeing that option either.
I have firmware 2.7.3.22. in my Orbi.
My ISP modem is Sagemcom F5359 (Experiabox V12 from ISP KPN in the Netherlands). It has a glass modem as well.
First i thought my NAS was causing the problem but the gut on the forum did so much research that he convinced me that the Orbi is causing the problem... My Orbi is in Routing mode. DNS on 8.8.8.8.
What mode is your modem working in? Bridge or Router mode?
Does changing from google DNS to ISP DNS do anything different? Changing DNS really shouldn't effect anything unless Synology requires something specific with there services. Something to ask them about.
My ISP router i cannot configure in Bridge mode. Is had only routed mode. Synology Engeneer put the DNS to Google ;-). First there was the DNS from my ISP.
Its a mysterie to me. Hoping for a new firmware on the Orbi...?
