ARC suddenly doesn't connect to core

Roon Core Machine

MacBook Air M2, 16 RAM

Networking Gear & Setup Details

MYSpectrumWIFI482G No VPN

  1. Who is your internet service provider?
  2. Please list the make and model of your modem and router?
  3. Do you have any additional network hardware, like additional routers or managed switches?
  4. Does your network have any VPNs, proxy servers, or enterprise-grade security?

Connected Audio Devices


Description of Issue -

What is the exact port forwarding error message you see in the Roon Settings → ARC tab?

ARC suddenly doesn’t connect to core.

I don’t understand any of the support advice concerning trouble shooting this issue. Is there a step by step explanation for non-tech savy users?

“ipv4_connectivity”: {“status”:“NetworkError”,“status_code”:502,“error”:“error: Error: connect EHOSTUNREACH 68.hhh.iii.jjj:55002, response code: undefined, body: undefined”},
“ipv6_connectivity”: {“status”:“NetworkError”,“status_code”:504,“error”:“error: Error: ETIMEDOUT, response code: undefined, body: undefined connected? undefined”},
“external_ip”: {“actual_external_ip”:“68.hhh.iii.jjj”,“actual_external_ipv6”:“2603:aaa:bbb:ccc:ddd:eee:fff:ggg”,“router_external_ip”:“null”},
“natpmp_autoconfig”: {“status”:“NotFound”},
“upnp_autoconfig”: {“server_ip”:“”,“found_upnp”:true,“error”:“<s:Envelope xmlns:s="\” s:encodingStyle="\“>\n<s:Body>\n<s:Fault>\ns:Client\nUPnPError\n\n<UPnPError xmlns="urn:schemas-upnp-org:control-1-0">\n718\nConflictInMappingEntry\n\n\n</s:Fault>\n</s:Body>\n</s:Envelope>\n”}

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