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DLNA Servers' Broadcasts Blocked if uPNP is not Enabled

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martincom

Serviio newbie

Posts: 18

Joined: Sat Jan 31, 2015 6:50 pm

Location: Brainerd, MN

Post Sun Sep 16, 2018 8:19 pm

DLNA Servers' Broadcasts Blocked if uPNP is not Enabled

I'm utilizing some extra Dlink DIR-655 Routers for additional wifi access points within our home and our beach house, co-located on the same property. The renders in the beach house were not able to access Serviio or another Sony proprietary DLNA server, Mcrew Server. The renders were all functioning in the main house. I have a single CAT5e running in a buried conduit to feed the beach house. It terminates on one one of the four network ports on the DIR-655. I have the router functionality disabled. A number of the hardwired rendered devices within the beach house terminate on the other network ports of the DIR-655.

I quickly localized the trouble to the DIR-655 by connecting the beach house feed directly to a render, bypassing the DIR-655. With this configuration, the DLNA Servers appeared and were functional on the render.

Obviously, something was blocking the DLNA Server broadcasts within the DIR-655. A few trial and error parameter changes pinpointed the trouble to the uPNP functionality being disabled. Actually, it was my first test as DLNA broadcasts and uPNP are very similar.

So, if your DLNA server is broadcasting through a Dlink DIR-655 and possibly other models/brands and your renders cannot detect the server, try enabling uPNP if it is disabled.

In the DIR-655 this accessed from the GUI main menu-Advanced-Advanced Network tab.
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atc98092

User avatar

DLNA master

Posts: 2903

Joined: Fri Aug 17, 2012 10:22 pm

Location: Washington (the state)

Post Sun Sep 16, 2018 11:07 pm

Re: DLNA Servers' Broadcasts Blocked if uPNP is not Enabled

Certainly good advice. Nice troubleshooting. :D

I looked at the users manual for this router, and I see it doesn't have a dedicated Access Point mode. That's probably why you had so much difficulty with it. It's interesting that a web search also turned up a suggestion to disable uPnP when using as an AP, which I think is an error based on your experience. I use a couple of different routers as APs in my home, but they both have a dedicated AP mode. In my humble opinion, it's far better to use a router with such a mode when wanting to use it as an AP.
Dan

Panasonic ST30 Plasma, Samsung JU7100 4K TV, Sony BDP-S3500, Sharp 4K Roku TV, Insignia Roku TV, Roku 4, Ultra and Stick, Yamaha RX-V583 AVR.
Primary server: Intel i5-6400, 8 gig ram, Windows 10 Pro, 18 TB hard drive space | Test server Windows 7 Home Premium, AMD Phenom II X4 965, 8 gig ram

HOWTO: Enable debug logging HOWTO: Identify media file contents
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martincom

Serviio newbie

Posts: 18

Joined: Sat Jan 31, 2015 6:50 pm

Location: Brainerd, MN

Post Tue Sep 18, 2018 3:02 am

Re: DLNA Servers' Broadcasts Blocked if uPNP is not Enabled

If I had been purchasing new for the AP, I would have acquired something with the dedicated AP functionality. These were surplus, so the price was right (free). Actually, I have been utilizing them as APs for several years without issue and they have worked well. I just stumbled into the solution of another issue that had prevented Serviio operation a week or so ago, so this was a secondary problem.

i was a bit surprised. My first reaction would have been that disabling uPNP in the router would have just disabled the router from responding to uPNP broadcasts, not inhibiting the passing of them through the network "switch" section of the router. Thankfully, this one was rather easy to resolve---not like most of what I initially believe will be a 10 minute fix that turns into hours.
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freaknik

User avatar

DLNA master

Posts: 211

Joined: Thu Mar 27, 2014 2:05 pm

Post Tue Sep 18, 2018 11:32 am

Re: DLNA Servers' Broadcasts Blocked if uPNP is not Enabled

Maybe they support open source firmware?
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atc98092

User avatar

DLNA master

Posts: 2903

Joined: Fri Aug 17, 2012 10:22 pm

Location: Washington (the state)

Post Tue Sep 18, 2018 12:41 pm

Re: DLNA Servers' Broadcasts Blocked if uPNP is not Enabled

freaknik wrote:Maybe they support open source firmware?


That would be a great solution, but it appears that this router uses a Ubicom32 chipset, while DD-WRT and Tomato are mainly for Broadcom chips. I did a quick search and couldn't find any that offer support. Bummer.
Dan

Panasonic ST30 Plasma, Samsung JU7100 4K TV, Sony BDP-S3500, Sharp 4K Roku TV, Insignia Roku TV, Roku 4, Ultra and Stick, Yamaha RX-V583 AVR.
Primary server: Intel i5-6400, 8 gig ram, Windows 10 Pro, 18 TB hard drive space | Test server Windows 7 Home Premium, AMD Phenom II X4 965, 8 gig ram

HOWTO: Enable debug logging HOWTO: Identify media file contents

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