I can connect using ARC with my mobile phone within my local network using WIFI but cannot connect using the mobile network even when I have 200 Mbps symmetrical bandwidth.
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Roon Core Machine
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Networking Gear & Setup Details
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Connected Audio Devices
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Description of Issue -
What is the exact port forwarding error message you see in the Roon Settings → ARC tab?
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Operating system
Windows 10 Pro 64-bit Version: 19045.3324
Microprocessor
AMD PRO A6-8570E R5, 6 COMPUTE CORES 2C+4G
System memory
8 GB
ROUTER
HUAWEI HG8145V5
NO VPN OR ANY OTHER HARDWARE
ROON ARC says everything is fine.
I can connect my mobile phone to ROON ARC using the WIFI network but not using the cellular Network
Hope this is enough information and you will be able to help me.
OK, this is not great. It is possible (likely) that something in your ISP’s network is blocking access to the port, and does so in a way that Roon cannot notice (hence why it says “Ready”). I had something similar with Vodafone in Germany. It took me a lot of convincing on phone support to explain to them that this is not how it is supposed to work.
I also note that you have an IPv6 address (the new version of IP addressing). This is normal with TOTALPLAY, they don’t seem to provide IPv4 addresses anymore for residential accounts. Roon added support for IPv6 to ARC in May of 2023, so it is possible that this can be made to work. However, we have seen that there are still issues with some IPv6-only ISPs in some cases. My own experience with IPv6 is limited, though.
Therefore, I am paging @connor from Roon support to look into this. Connor, you investigated TOTALPLAY in January in this post and found out that they are IPv6-only. At the time, this was before IPv6 support was added to Roon.
We’d be happy to illuminate some possible resolutions here, although TotalPlay’s interaction with ARC is, as others have mentioned above, relatively new ground for this forum.
IPv6 doesn’t rely on port forwarding, but there’s a similar process involving your router’s IPv6 firewall.
In the settings for your Huawei router, I’d try the following:
In Security settings or similar, look for anything related to IPv6 firewalls. Sometimes it’s called IPv6 pinholing. It should be a list of IPv6-format addresses that the firewall allows to go through to the internet. You will need to add the Roon Core IPv6 address from Roon → Settings → ARC to this list.
If step 1) above doesn’t work or isn’t available, then look for a tab in the router settings called “IPv6” or similar. There should be settings related to DHCPv6 Prefix Delegation. Turn these on.
If step 2) above also fails, then please contact TotalPlay and inquire if they have DHCPv6 prefix delegation.
Even with the simplicity of IPv6, your ISP may be preventing Roon from opening a channel to ARC through their own machinations.
We’ll support you as you go. Thanks for reaching out.
Please share a screenshot of the Security tab, with any IP addresses or sensitive information omitted. We’ll need to see if an IPv6 pinhole is available.