Failed to connect Roon ARC to Roon Server with NetworkError (ref#GIM6O7)

Support ARC: Port Forwarding Help
1

What’s happening?

· I'm having trouble with Roon ARC

What best describes your issue with ARC

· I can't log into ARC but I can log into Roon

Describe the issue

Hi! Am attempting to connect Roon Arc to my Roon server, but to no avail. I am using Unifi Dream Machine SE in my home network. For remote connectivity, I am using SingTel on my phone.

Here is the error message:

{
"ipv4_connectivity": {"status":"NetworkError","status_code":504,"error":"error: Error: ETIMEDOUT, response code: undefined, body: undefined connected? undefined"},
"external_ip": {"actual_external_ip":"58.aaa.bbb.ccc","actual_external_ipv6":"null","router_external_ip":"null"},
"natpmp_autoconfig": {"status":"NotFound"},
"upnp_autoconfig": {"status":"NotFound"}
}

Describe your network setup

I am using Unifi Dream Machine SE. Entire home network comprises all Unifi switches.

2

Hi @Martin_Wong,
Thanks for reaching out to us about this issue. Have you gone through the steps in this article yet? https://help.roonlabs.com/portal/en/kb/articles/arc-port-forwarding#Overview

3

Hi @Martin_Wong,

SingTel has commonly implemented Carrier-Grade Network Address Translation (CG-NAT), which prevents port forwarding from configuring at the level of your service provider.

In this circumstance, it’s convenient to rely on Tailscale instead of port forwarding for ARC. For most Linux, Windows, Mac, and recent models of RoonOS-based machines, this is as simple as installing Tailscale on both RoonServer and your phone.

See here:

4

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