ARC can’t access roon core

Hi @James_O_Brien,

Sorry for the late response. We’re backed up trying to help everyone with port forwarding. I joked with my team that it would be a lot easier if we all had the same modem, router, and internet service provider. It’s true because everyone has a different network!

In your case, Orbi is a fairly common solution for home networking and thankfully there is online documentation. I’ll share the link below as well as the form response we have for this particular 504 error you’re seeing. Try working with the link first but if you can’t get it going, respond with the answers to the questions below and I will respond with suggestions.

Thank you for your patience while we’ve diligently worked to reach every request for support with port forwarding. The diagnostics you’ve provided suggest that UPnP is not properly configured on your router.

Please first try the following steps:

  • Try to enable UPnP/NATPMP in the web administration interface for the router directly upstream from your Core
  • Try to manually open the port in your router’s port forwarding configuration
  • Make sure the IP/Port matches the Port listed in Roon → Settings → ARC
  • Check for any VPNs or Firewalls that might be interfering
  • Check if your modem is in Bridge mode

If you continue to experience difficulties, please tag the support team and include the following information:

  1. What is the make and model of your modem and router?
  2. Do you have any additional network hardware, like additional routers or managed switches?
  3. Who is your internet service provider and what is your geographic region?
  4. Is your Modem configured in Bridge Mode so that it operates only as a modem or do you have the ports forwarded on both?
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Thanks Wes, the only step I haven’t performed is the modem in bridge mode. The system has been working fine without. I’ll give that a try.

Please let me know! I can tell you from my experience with Xfinity that they were’nt all competent in what was being asked of them. The Xfi Gateway I had allowed me to put the modem into bridge mode but it took down internet access across the board and it shouldn’t have so be prepared for some unexpected surprises!

Best wishes,
Wes

Jeez, I’m not sure I can risk that happening as I’m not a network tech and wouldn’t know where to start to fix that. We need stable internet here for work. I’ll do a little more research. Thanks Wes. I’ll be in touch.

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Was it difficult to rectify ?

Not for me it wasn’t. It was odd that when I did it myself it didn’t work and my ISP agreed. They remoted into it and resolved the problem for me. I had bad equipment according to them.

Keep us posted on how it goes and we’ll keep doing our best to get you up and running.

Wes

Hi Wes, I just now removed the ISP’s Modem/router from the system. I have connected the Orbi directly to the NBN black Box,(Gateway?). Works perfectly and Arc connected immediately.Having the ISP’s device unbridged to the Orbi for years worked fine ,but not for ARC. Early Days but I’m excited. :grinning:

Hi @James_O_Brien,

Oh good. That’s great news. Thank you for reporting back.

I’m glad you feel the same excitement that I do! I’ve stopped using my other music services since everything I use at home is now available to me on the road!

Have a great weekend and enjoy the music!

Wes

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