Been messing with the network setup for a while now and it won’t work. Is this a waste of time, as I can see that my internal WAN address in the router is not identical to the WAN IP I get on e.g. myip.com Does ARC only work with static IP? [Skærmbillede 2022-09-21 kl. 21.06.01] [Skærmbillede 20…

Got my ISP to change from CGNAT to public IP, and then it worked. No need for fixed IP, apparently just a public IP.

You are using 2 public ip addresses. In general internal IP addresses are found in (RFC 1918): 10.x.x.x 172.16.x.x 192.168.x.x inetnum: 80.208.0.0 - 80.208.127.255 netname: DK-SEAS-NVE-20011212 country: DK org: ORG-SHA12-RIPE admin-c: SN1451-RIPE tech…

But I can’t control which ip addresses my ISP uses, and they apparently use CGNAT. I use 2 Linksys MX4200 for a MESH network. Connected to Fiber optic 1000/1000 Roon Core is running on a MacBook Air M1.

[image] Jever: CGNAT You might be able to request a static ip from them.

And so back to the main question. Does ARC only work with static IP, and not with CGNAT? A static IP address costs extra with my ISP.

[image] Jever: Does ARC only work with static IP, and not with CGNAT? A static IP address costs extra with my ISP. CGNAT shares an IP address with multiple customers, so Roon ARC is unable to connect to your core. The solution is to upgrade to a fixed IP address.

That is seriously unfortunate. I hope you let them know their way of NATing is causing problems. Their dev team can follow your setup easily to confirm. But, someone will need to let them know.

maybe you can set a fix IP with the Router for the Roon Core I have PPOP from the internet provider and I set a fix ip for the core inside the router app Arc is not working for me jet, synchronize issues with the Core, I didn’t had a chance to try it outside the netwoork

Roon Labs Community

ARC not working at all

Support ARC: Port Forwarding Resources

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