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[pinkley]

I apologize if this has been discussed on this forum before.  I have a pioneer N-50 which is connected directly to my D-Link router as I have decided not to go wireless.  I am using JRiver version 18 on a windows 8 computer.  The n-50 works fine, sees my library and streams music no problem.  The issue is when I try to push music to the n-50 through media center.  It will show up in the playing now column and I can link to the player for about 20 minutes or so.  Then it will disappear from the list and I cannot get it to find the n-50 again.  What do I do to make it stay visible to media center.  I must admit, it is starting to drive me a little crazy.  I have tried disabling my firewall and my antivirus software - but no difference.  Any help would be greatly appreciated.

[doulos]

replace that crappy D-Link thing with something that is specifically designed/specified for DLNA resp. media streaming.

Seriously, I have seen huge differences when replacing router and/or access point hardware. There are parts of the UPnP prtotocol that rely on low-level networking features (UDP broadcast), and some routers seem to look upon this as useless noise that they can safely optimize away. I had especially bad experiences with DLink hardware, and very good experience with Buffalo airstations. Another fellow with whom I had a lengthy exchange over this (http://yabb.jriver.com/interact/index.php?topic=79727.msg544045#msg544045) replaced his DLink with some WD device, and seems to have been happy ever since..

OTOH - MC should have an option that circumvents this with polling instead of eventing..

[bob]

You could try just replacing the router switch with standalone switch that has the computer and renderer plugged into it, then plug the switch into the router.
Routers generally don't have true hardware switches in them, they are emulated in software and as doulos says often mess with the SSDP broadcasts.

Now the renderer will only vanish from MC's tree if it gets a number of consecutive errors in a 5 second period, while MC is talking to it (like asking for position, volume, etc) or if it sends a bye-bye.

[pinkley]

Ok - Well I seem to have found the problem.  I installed windows media player and it connects and stays connected.  I guess I will use WMP as it plays to the N 50 no problem.  I am left thinking that the issue is JRiver Media Centre.  Who would have thought!

[pinkley]

Ok - so I would much rather use MC than windows media player.  But, I want to be able to push to my N 50.  Anyone have any ideas as to what I have set up in MC incorrectly that it keeps losing the N50 where Windows Media Player does not?

[doulos]

Ok - so I would much rather use MC than windows media player.

changed your mind quickly on that one, eh  ?

I'd be amazed if MC didn't have an option that lets it run independent of SSDP problems by caching the device metadata locally, and resorting to pull mode only for device status information. I know of other UPnP apps that do just that, and my own (MediaSteersman) is just being enhanced to provide it. I dont have MC in front of me, so I cannot check..

[pinkley]

You are absolutely correct doulos, it did not take long for me to change my mind. Problem is - windows works and mc does not.  I have absolutely no idea where to look in MC to do as you suggested.  Any hints..

[bob]

MC does use polling.
My guess is that the N 50 is not supporting a function we are calling (probably returning 5xx errors).
A dump of the interaction could be useful in pinning it down if you are interested pinkley.
Instructions are here:
http://wiki.jriver.com/index.php/Sharing_Plug-in_Debugging_Hints#Wireshark

[pinkley]

Ok Bob.  I have used wireshark and have the file of the interaction.  Where do I upload to JRiver?

[pinkley]

And I should mention it is 159 megabytes....

[JimH]

You might be able to get a smaller one by choosing when to start wireshark, or what you do in MC.

[bob]

And I should mention it is 159 megabytes....

Were you able to do the capture filter mentioned in the link? It's super important to do that to keep the capture size down. It's a capture filter, not a viewing filter.
If you don't have a dropbox account or some such, I'll send you a link to a place to push the file to. Thanks.

[pinkley]

Bob.  Yes - I did the filter as stated in the instructions.  Still 159 meg.  I zipped it but it did not shrink it much in size at all.  I do not have a dropbox account so if you have a link I can upload to I would appreciate it.  Thanks

[pinkley]

I think I have found the issue.  I enabled IPV4 in my D-Link router and it has been playing for well over an hour now without dropping out.  It would only go for about 20 minutes previously.  So - will advise if this is not a permanent situation.

[bob]

I think I have found the issue.  I enabled IPV4 in my D-Link router and it has been playing for well over an hour now without dropping out.  It would only go for about 20 minutes previously.  So - will advise if this is not a permanent situation.

Thanks for the report. I'm surprised that it was able to work at all without IPV4.

[abd4evr]

When pushing to your N-50, can you control the volume via MC?

[nautibuoy]

I've always had similar issues with my DLNA equipped home cinema amp (Denon AVR-1912) disappearing after a period of time. It seemed that upgrading to MC 19 improved things but that has turned out to be a false horizon. I ordered a Western Digital My Net N750 router today (DLNA certified, as suggested in the other thread) so lets see how that works out - I'll post an update once it arrives and gets installed.

Ray