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SSDP (UDP 1900) over L2TP VPN Connection

busthead
Hello,

I wish to control my Sonos audio system remotely via iPhone.

I've configured and successfully connected to my Astaro via L2TP over IPSec. The iPhone is assigned 192.168.0.2 address from custom VPN Pool. This is the same subnet as my local home network on which the Sonos boxes reside.

I am able to ping my Sonos boxes from the iPhone when connected via VPN.

The Sonos app uses SSDP (UDP port 1900) to destination 239.255.255.250 (broadcast) to detect the Sonos boxes.

I ran Wireshark on my local network and was not able to see any SSDP traffic from the iPhone.

Thus, my question is, what is preventing SSDP packets originating from my iPhone from reaching my local network? 

Much thanks,
Scott


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  • 0
    I think UPnP is a show-stopper today.  One of the regulars here, RFCat_vk, I think, commented in the last few weeks that he'd put all of his UPnP devices on the same subnet.  It appears that the best you can do at present is to do a Remote Desktop session with a local PC.

    I think there's a suggested feature related to being able to treat VPN connections like interfaces so that this (multicast over VPN) would be possible in Astaro, but I don't remember enough details to find it right now.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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  • 0
    I think UPnP is a show-stopper today.  One of the regulars here, RFCat_vk, I think, commented in the last few weeks that he'd put all of his UPnP devices on the same subnet.  It appears that the best you can do at present is to do a Remote Desktop session with a local PC.

    I think there's a suggested feature related to being able to treat VPN connections like interfaces so that this (multicast over VPN) would be possible in Astaro, but I don't remember enough details to find it right now.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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