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Forum Discussion
RS280S: Problems with Serviio & Roku Media Player.
Both Items in subject work fine in my old router R6900, but not with the RS280S. I can get a WIFI and hardwired signal to the destination (blueray player), but cannot stream anything. The Serviio sta...
Multicast (igmp, etc) are not relevant since your media server doesn't use multicast.
DLNA does make use of SSDP, the Service Discover Protocol - which is based indeed on Multicast, too.
The UPNP setting in the router normally only allows a client to open a port in the router - not something needed for a local media server.
The UPnP settings CONTROL does (in general) allow both the discovery (again SSDP based), and the router IPv4 based NAT port forwarding.
Technically, DLNA system is made up from three components:
- Digital Media Player (DNR)
- Digital Media Server (DMS)
- Digital Media Controller (DMC)
Discovery and usage depends fully on SSDP. Port forwarding on the router is typically not required.
On a private home, or even on a small business network, having network devices discoverable can be very useful.
Most hone and SMB routers don't offer dedicated controls for UPnP Discovery and UPnP Port Forwarding.
The UPnP settings does (in general) allow both the discovery (again SSDP based), and the router IPv4 based NAT port forwarding.
The discovery works fine with my Orbi setup even with UPnP turned off. So AFAICT the setting doesn't affect SSDP (or DLNA generally).
FWIW, another user recently posted that mDNS also worked for him with uPNP turned off (but a different multicast address used by plexamp didn't work reliably on his wireless network)
That's not what I had talked of before: The UPnP control on the NTGR routers does disable both the ability of the router (of leash system) to be discoverable by SSDP -and- the UPnP port forwarding.
Doubt the Orbi router and/or satellites can still be SSSP discovered with UPnP disabled.
At least Netgear's leading edge business routers can't (and have no individual controls for UPnP SSDP discovery and UPnP port forwarding.
Of course, the plain DLNA and any other SSDP based device discovery remains workable on the LAN/Wi-Fi.
Similar, the discovery of the Orbi devices on the same network eg. by the Orbi App isn't affected either.