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UPNP question

Discussion in 'Tomato Firmware' started by jsmiddleton4, Jun 21, 2012.

  1. jsmiddleton4

    jsmiddleton4 Network Guru Member

    Trying to understand UPNP being on in the router.

    I have hard drive attached to the router via USB. Shows up fine as network resource, etc., no problems.

    I have a media server that will detect UPNP devices. Finds laptops, etc., just fine.

    When I enable UPNP in the router shouldn't the attached hard drive be found by the media server?
  2. BikeHelmet

    BikeHelmet Networkin' Nut Member

  3. koitsu

    koitsu Network Guru Member

    The UPnP implementation in TomatoUSB is not a "full" UPnP implementation. All it provides is the ability for a piece of software to forward ports on the WAN/Internet side to a machine on the LAN side; this is for software like mIRC, uTorrent, and other programs which let a program run on a machine on the LAN to forward a port dynamically.

    UPnP and its related technologies (SSDP, etc.) are a very complex and messy thing. You may want to consider another router or product that does what you want, if you need full SSDP + UPnP to that degree.

    Footnote comment: BTW, you're expecting even remotely good performance hooking up a hard disk to one of your routers' USB ports, you'll be disappointed. The USB capability provided by consumer routers is minimal, and this is because the USB capability is not on a dedicated IC designed for USB, it's an "all-in-one" chip (CPU + wifi + switch + USB all in one single chip). The performance is still better than USB 1.x, but it's not as good as a dedicated and high-end USB 2.x implementation (e.g. Intel southbridges), and it's no where near the performance of USB 3.x.
  4. jsmiddleton4

    jsmiddleton4 Network Guru Member

    Actually just playing with UPNP for the usb attached drive as I'm sorting out UPNP for NAS devices. I am aware the speed of the USB port for drives is not all that fast.

    Having issues with NAS attached devices and I'm making sure I understand how UPNP is suppose to work and that it is in fact working at some level with the router.

    Once I turned on media sharing that enabled the media server to find via upnp the usb attached drive by the way.
  5. jsmiddleton4

    jsmiddleton4 Network Guru Member


    I think you posted links to your router?
  6. BikeHelmet

    BikeHelmet Networkin' Nut Member

    Nah. I followed Toastman's advice and changed subnets.

    I included those so that if you were having trouble finding the pages, at the very least you could grab the links (or part of them) to jump right to them.

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