Unable to Connect to RoonARC After Switching to Quantum Fiber (ref#JVYGY9)

Support ARC: Port Forwarding Help
1

Network Setup

· I use a single personal router not provided by my ISP

ARC Status

· ARC is *Not Ready*

Roon Error Code

· “natpmp_autoconfig”: {“status”:“NotFound”}, “upnp_autoconfig”: {“status”:“NotFound”} }

Have you successfully located and enabled the UPnP or NAT-PMP settings in your router's web UI?

· I've turned UPnP/ NAT-PMP on and ARC won't connect

Select the Diagnostic Keyword or Text String

· Something else

Don't give up yet.

· I'm stuck. I'd like to create a post to ask Roon Community for help.

Describe the issue

Hi All, I recently switched from Xfinity cable to Quantum Fiber. Since the change I am not able to connect to RoonARC. I am using my own router, Deco mesh system, with their modem, previously I was using my own modem. Here is the error message I am getting

{
"ipv4_connectivity": {"status":"NetworkError","status_code":504,"error":"error: Error: ETIMEDOUT, response code: undefined, body: undefined connected? undefined"},
"external_ip": {"actual_external_ip":"97.aaa.bbb.ccc","actual_external_ipv6":"null","router_external_ip":"null"},
"natpmp_autoconfig": {"status":"NotFound"},
"upnp_autoconfig": {"server_ip":"192.168.68.1","found_upnp":true,"error":"s:ClientUPnPError718ConflictInMappingEntry"}
}

Any help would be greatly appreciated.

Describe your network setup

Quantum Fiber 1 gig
Quantum Modem-Deco Mesh Router connected via ethernet
Server on an M1 Mac Mini connected via ethernet

2

Hey @Stephen_Johnson1,

Thanks for writing in!

As a first step in troubleshooting, do you by chance have a manual port forwarding rule active, as well as UPnP active at the same time? If so, what happens if you disable UPnP? There can be conflicts when both are active sometimes.

Let me know if that helps! :+1:

3

Thanks for a quick reply. No port forwarding rules. It was working fine until the ISP change. The only hardware change was the ISPs modem.

4

Hi @Stephen_Johnson1,

Thank you for your patience. A few suggestions:

  1. Try changing the port number in Roon Settings → ARC. The error diagnostic you’ve posted generally indicates that other software has taken hold of the port reservation, competing with Roon/ARC.

  2. If that doesn’t work, then try restoring to Tailscale instead. It’s a robust NAT traversal solution that should work regardless of any future hardware, ISP, or network topology changes.

Here’s a guide for installing:

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Ok , so I have downloaded Tailscale on both my phone and server. My Roon Arc can see my server. My albums will load but Arc won’t play music from the server. If I select a version from Tidal it plays just fine. Ideas?

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Hi @Stephen_Johnson1,

Tidal files stream directly from Tidal’s servers with ARC. If it’s local files only that won’t play, this indicates that RoonServer is having a hard time uploading content to the internet in time for ARC to download and stream it.

There are two points of vulnerability - the storage location’s connection to your RoonServer, and your RoonServer’s connection to the upstream router.

Are you hosting your local library on the same machine as RoonServer in an internal/USB drive? Or is it on a networked storage location? If the latter, try hardwiring via ethernet to the same piece of network hardwire to which your RoonServer is hardwired.

Is this RoonServer machine hardwired to a mesh node, or directly to the upstream router? If the former, is that mesh node relying on line-of-sight WiFi or ethernet to connect to the router?

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