Discovery issues

You have not made it clear how its connected,  is it all wired via the BT hub

- 172 <-> BT <-> NAS

Or is it part wired & part wireless 

BT hubs are not good switch's

Think about connecting 172 <-> switch <-> NAS

                                                       |

                                                     BT

The branch off the switch to BT provides iRadio/streaming & wifi only for the app

Set everything to DHCP - if its not already

Reboot everything from all off in the following order & wait for everything to complete its start process before moving to the next

BT

NAS

172

Switch

Everything is wired, no wireless. On a cost to cost basis why would a netgear hub be better than the BT Hub? The Bt hub is dual band.

You don't need a Netgear router or a Netgear hub, you need a Netgear switch which you use just as Mike says. The Netgear GS105 is a five port 1Gbps unmanaged switch.  It costs around £20-25 and you can easily get one from any of the big well known online shopping places. You plug your Naim and your NAS into the switch and you connect the switch to the BT Hub. 

I hope this helps 

David

Any decent switch will do the job. I bought a tiny Dynamode switch from a local cable shop for about a tenner to set up a temporary arrangement when I was moving the house and system around.  Its still there and does the job admirably, reliably moving around both music and hires video even though I no longer stream my music over the network.

A switch it is then, I've seen the GS105 @ £19.99. Thanks for the replies.

Maze

Is the issue with the Naim app seeing the 172 reliably, or with the 172 not being able to see the uPnP server?

If it's the former, then the wireless bit of the network may be an issue.  If the switch does not fix things, then you could try and Airport Express connected to the switch to provide a wireless access point.  Simon-in-Suffolk has recommded this in other threads for this sort of issue, which is a pretty good recommendation in my book!

The other thing to do is make sure you are on the latest firmware on the streamer.  If you are 3.xx then you should definitely upgrade as I believe the 4.x firmware version significantly improved discovery behaviour.

Cheers

David

+1 = good point

Did you see the featured topic

https://forums.naimaudio.com/to...pnp-discovery-issues ?

Maybe this helps in analyzing the problem?

Yes, which led me to where I'm at now, thanks.

With the latest BT HH for various technical reasons which may be improved in later firmwares on the Naim devices, I do recommend a SIMPLE unmanaged switch (the Netgear devices are perfect) between NAS, streamer, and wifi access point/router so as to avoid multicast discovery issues. (UPnP discovery)

Simon

I have one on its way Simon, thanks.

Installed Ethernet switch today, so far so good as it seems to have fixed the issues I was experiencing. Albums and tracks chosen now appear super fast quick, great.

Excellent, glad its worked out for you

Never doubted it  ..........