Here is the topology of the network in question. All switches are gigabit store and forward switches. The cables between the switches are CAT6. The cables from a switch to a device can be CAT6 for gigabit capable devices and CAT6, CAT5e or CAT5 for 100Mb capable devices.
Living Room
Switch 1
Dish Hopper
Point A. Windows 7 Test PC (Phase 2.5) !!!JRiver worked perfectly!!!
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Wireless Access Point (2.4 & 5GHz) --> iPad runnning JRemote, LUMIN and MPaD
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Switch 2
Roku etc.
Sonore SOSE DLNA Renderer
- running MPD with SMB mount from DS213J
- running LMS with SMB mount from DS213J
Yamaha WXC-50 DLNA Renderer
- accessing MinimServer on DS213J
- accessing LMS on SOSE
- accessing JRiver library on "bullet", "venza" and "bookworm"
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CAT6 Cable
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Room 2
Switch 3
Point B. Windows 7 Test PC (Phase 3) ###JRiver problem recreated###
Windows 8.1 PC ("venza") ^^^JRiver problem^^^
Windows 7 PC ("bookworm") ^^^JRiver problem^^^
Roku etc.
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Switch 4 --> Router --> Cable Modem ---> Internet
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CAT 6 Cable
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Room 3
Switch 5
Roku etc.
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Switch 6
Windows 8.1 PC ("bullet") ^^^JRiver problem^^^
DS213J
- MinimServer
- SMB share for music files
Other NAS devices
The problem was recreated at Point B so the CAT 6 cable between Living Room and Room 2 may have issues that affect JRiver communication with DLNA renderers. MPad, LUMIN and Yamaha MusicCast all worked fine in this environment. Whatever they did worked.
I now know that my network is not perfect for JRiver. Replacing that CAT6 cable is no small task. Since other DLNA controller software can cope with this "imperfect" network, can something be done in software, i.e., JRiver to achieve the same?