Something is very strange.

I connect that device successfully once, but I can't connect it anymore now.
Is any possible that ICE status is "connected" but the data actually can't pass 
to the other side?


On Wednesday, November 12, 2014 10:59:54 AM UTC+8, Adam Roach wrote:
> So, basically, this:
> 
> 
> 
> 
> I would expect this to work from Firefox in either location in the 
> network, and the succeeded pair (192.168.3.10 <=> 192.168.60.108) is 
> exactly what I would expect to work, as long as the outside NAT 
> (211.72.69.111) in this picture doesn't somehow get in the way.
> 
> /a
> 
> 
> On 11/11/14 16:18, [email protected] wrote:
> > Here are more information:
> >
> > 1. Airport, means https://www.apple.com/tw/airport-extreme/ (This device)
> > 2. 10.0.1.25 is LAN ip address under Airport. 192.168.3.10 is the WAN 
> > address of Airport. Of course, there has the other NAT device. (Multi-layer 
> > NAT)
> > 3. No VM, no VPN here.
> > 4. I also not hear any audio from my PC.
> > 5. The other device is not FF. But if my PC is under LAN 192.168.3.x, FF 
> > works. However it works if I use WebRTC demo app on mobile device and put 
> > that mobile under Airport. The audio and video are perfectly displayed on 
> > my mobile device.
> >
> >
> > On Wednesday, November 12, 2014 3:18:58 AM UTC+8, Nils Ohlmeier wrote:
> >> On 11/11/14 10:06 AM, Randell Jesup wrote:
> >>> On 11/11/2014 11:45 AM, Byron Campen wrote:
> >>>>       Do you get audio? What implementation is the other side? If the
> >>>> other
> >>>> side is also Firefox, what does about:webrtc show there? What webrtc
> >>>> service are you using? From an ICE perspective things look OK on your
> >>>> end;
> >>>> if peer reflexive works, it makes sense to avoid using a relay after
> >>>> all.
> >>>> Stuff can still fail after that though.
> >>>>> Hi,
> >>>>>
> >>>>> I found a strange problem on my side. I have a PC under Airport WiFi AP
> >>>>> (but connected by wire), and try to use RTCPeerConnection to connect
> >>>>> the
> >>>>> other device. However, the ice status is changed as "connected", but I
> >>>>> can't see any video on my FF. I also try to use about:webrtc to find
> >>>>> the
> >>>>> any clue.. Here is the output from about:webrtc
> >>> Airport and hotel wifi/routers/firewalls are often horribly draconian,
> >>> and in particular often will not allow peer-to-peer (peer reflexive)
> >>> operation for various reasons (starting with protecting users from
> >>> other users with viruses who are behind the same firewall, and less
> >>> 'nice' reasons as well).  Now, this may not be your issue since it
> >>> seems to have selected peer-reflexive and presumably that requires
> >>> packets to pass between them. However: The network situation may also
> >>> be odd since I see both 192.168.x.x and 10.x.x.x addresses in use.
> >>> Multiple interfaces? layered NATs?
> >>>
> >> My first suspects for multiple private IPs for local candidates are VMs
> >> of some kind.
> >>
> >> But what makes me suspicious is that two 192.168.x.x addresses got
> >> selected and Aslan did not mention that the call is happening in a local
> >> network. Is this maybe a call via VPN into the office or something like
> >> that?
> >>
> >> Best
> >>     Nils
> > _______________________________________________
> > dev-media mailing list
> > [email protected]
> > https://lists.mozilla.org/listinfo/dev-media
> 
> 
> -- 
> Adam Roach
> Principal Platform Engineer
> [email protected]
> +1 650 903 0800 x863

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