LAN become unstable

Roger · November 22, 2020, 9:57pm

Sonicorbiter running core with latest softwar

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ethernet connections via ASUS RT AX88U router to Synology NAS
ipad wifi running Roon controller
via Modem to Cable broadband with c 200MbS speed
And via Netgear smart switch GS748Tv5 in factory mode to all other items
iMAC 2020 running on Big Sur OS which runs Roon controller

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Mulitple sonos endpoints via ethernet to switch above

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Intermittent dropouts after c 25 minutes then more frequently
This has become a problem in the last few weeks

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Example Diagnostic log says the following
11/22 20:53:53 Trace: [Kitchen] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 5:54/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:53:53 Trace: [Dining Room] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 5:54/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:53:53 Trace: [Living Room] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 5:54/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:53:54 Trace: [broker/accounts] [heartbeat] now=11/22/2020 8:53:53 PM nextauthrefresh=11/22/2020 9:29:14 PM nextmachineallocate=11/22/2020 11:28:53 PM
11/22 20:53:54 Info: [brokerserver] Client disconnected: 192.168.1.228:50750
11/22 20:53:54 Trace: [raatserver] [iPad 2017] lost client connection. Retrying
11/22 20:53:54 Trace: [push] restarting connection (Unable to read data from the transport connection: interrupted.)
11/22 20:53:54 Trace: [push] retrying connection in 24232ms
11/22 20:53:54 Info: [raatserver] [iPad 2017] connecting (attempt 1)
11/22 20:53:54 Info: [transport] destroyed zone iPad 2017 was playing? False
11/22 20:53:54 Trace: [zone iPad 2017] Suspend
11/22 20:53:54 Info: [zone iPad 2017] Canceling Pending Sleep
11/22 20:53:54 Info: [zone iPad 2017] Canceling Pending Sleep
11/22 20:53:54 Warn: [raat_ll/client] [iPad 2017] failed to connect Connection refused
11/22 20:53:54 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] lost client connection. Retrying
11/22 20:53:54 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] connecting (attempt 1)
11/22 20:53:54 Warn: [rnet/RnetJsonClient] failed to connect Connection refused
11/22 20:53:54 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] client connection failed. Retrying in 500ms
11/22 20:53:55 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] connecting (attempt 2)
11/22 20:53:55 Warn: [rnet/RnetJsonClient] failed to connect Connection refused
11/22 20:53:55 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] client connection failed. Retrying in 750ms
11/22 20:53:55 Info: [stats] 4336mb Virtual, 1785mb Physical, 1062mb Managed, 0 Handles, 83 Threads
11/22 20:53:56 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] connecting (attempt 3)
11/22 20:53:56 Warn: [rnet/RnetJsonClient] failed to connect Connection refused
11/22 20:53:56 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] client connection failed. Retrying in 1125ms
11/22 20:53:57 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] connecting (attempt 4)
11/22 20:53:57 Warn: [rnet/RnetJsonClient] failed to connect Connection refused
11/22 20:53:57 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] client connection failed. Retrying in 1687ms
11/22 20:53:58 Trace: [Kitchen] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 5:59/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:53:58 Trace: [Dining Room] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 5:59/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:53:58 Trace: [Living Room] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 5:59/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:53:58 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] connecting (attempt 5)
11/22 20:53:58 Warn: [rnet/RnetJsonClient] failed to connect Connection refused
11/22 20:53:58 Trace: [raatserver] [RaatServer iPad-2017 @ 192.168.1.228:50746] client connection failed. Giving up
11/22 20:53:58 Trace: [raat] [sood] Refreshing device list
11/22 20:54:03 Trace: [Kitchen] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 6:04/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:54:03 Trace: [Dining Room] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 6:04/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:54:03 Trace: [Living Room] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 6:04/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:54:04 Trace: Successful POST response from https://push.roonlabs.com/push/1/connect
11/22 20:54:04 Trace: [push] connecting to 35.196.178.149:9200
11/22 20:54:04 Trace: [push] connected
11/22 20:54:09 Trace: [Kitchen] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 6:09/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:54:09 Trace: [Dining Room] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 6:09/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:54:09 Trace: [Living Room] [Lossless, 16/44 ALAC => 16/44] [100% buf] [PLAYING @ 6:09/6:56] Köln, January 24, 1975, Part II C - Keith Jarrett
11/22 20:54:10 Info: [stats] 4348mb Virtual, 1799mb Physical, 1074mb Managed, 0 Handles, 85 Threads

dylan · November 23, 2020, 4:26am

Hi @Roger,

We have some information about managed switches in our Networking Guide. We find that they can require some advanced setup, and we have some recommendations there about things to try. It’s hard to say just yet if that could be the issue, but we’ve seen them cause some issues several times and it is something to keep in mind as we troubleshoot.

Moving forward — Can you try playing to System Output of your iPad? Do the playback stoppages occur there too?

Roger · November 25, 2020, 8:23pm

Thanks
Although a ‘managed’ switch, this is a ‘smart’ switch that can behave as unmanaged. It did so effectively for best part of year with Roon running and this has evolved with altering its config so not sure it is the issue.

The ipad audio ran successfully last night for over 5 hours but then stop on its own.

dylan · November 27, 2020, 2:48am

Thanks for the update, @Roger.

Just to confirm, have you tested with local content and TIDAL or Qobuz? Do they both behave the same?

I think the next step here is to enable some diagnostics on your account so our technical staff can get some more insight into what’s going on here.

However, before I enable this feature, I’d like to ask for your help ensuring we gather the right information.

First, can you please reproduce the issue once more and note the time at which the error occurs as well as the track that you were attempting to play. Then respond here with that time + track, and I’ll make sure we review the diagnostics related to that timestamp.

Roger · November 30, 2020, 12:53am

Thank you
I was able to run for over 24 hours which is highly unusual in recent experience.
I did have a failure eventually 2min 13 seconds into You Always Hurt The One You Love

/mnt/RoonStorage… Music/Eric Clapton/Happy Xmas/16 You Always Hurt The One You Love.m4a

This occurred at almost exactly midnight GMT +/- 30 seconds

nuwriy · December 1, 2020, 4:03pm

Hello @Roger,

I have enabled diagnostics on your account so our technical staff can get some more insight into what’s going on here. The next time your Core is active a diagnostics report will automatically be generated and uploaded directly to our servers

Once that’s been received, I’ll be sure to update this thread and pass the diagnostics over to the team for further analysis.

nuwriy · December 3, 2020, 8:05pm

Hello @Roger, do you have another device you can use as a core to test if this issue can be reproduced on another device?

Roger · December 5, 2020, 3:59pm

do you have another device you can use as a core to test if this issue can be reproduced on another device?
No not readily. I would have to set up on an iMac I guess.
Shall we wait for the diagnostics?

Roger · December 5, 2020, 10:51pm

I got another drop out at 21:05 gmt this evening
Playing Rosalita on 1975-11-24 Hammersmith Odeon London, UK
Then a couple more between 22:20 and22:45

ipeverywhere · December 6, 2020, 2:34am

The difference between Netgear’s “smart” and “managed” switches relates to how you configure them and what notifications and statistics you can pull/push from them. But, they generally support the same set of features like IGMP snooping, 802.1q, priority queuing, VLANs, things like that. So, with the GS748T you have it would be good to login to the web interface and just double check the configuration matches the Roon KB article linked to earlier in the thread. It’s also worth verifying that your switch is running the latest firmware.

Just thought I’d throw that out there as I’m a huge fan of the Netgear Smart switches but, in the case of Roon, the should be treated as “managed”.

Roger · December 6, 2020, 6:46pm

Thank you I appreciate your thoughts.
I will delve into the switch management interface.
I’m wishing I had gone for unmanaged switch now that you’ve explained this.
Let’s see what I can do.

Roger · December 13, 2020, 5:44pm

So it is so much better with with flow control etc enabled and multicasting etc , ie All the things that happen to be in the advice on network configuration.
Just ran a full 24 hrs with no issue and then added a zone to play a new playlist and it fell over after about 70 minutes.

system · December 13, 2021, 5:44pm

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