[AG-TECH] "waiting for video" with unicast

Monika Rabarison monika.k.rabarison at ccaix.jsums.edu
Thu Feb 17 10:55:11 CST 2005


I'll check back with the network guy. I suspect you pointed out to the 
culprit :)

Thanks Bob,

Monika

On Thu, 17 Feb 2005, Robert Olson wrote:

> 
> On Feb 17, 2005, at 9:41 AM, Fred Dech wrote:
> 
> > i've run into the same problem on a unicast network.  bridging, RAT 
> > received
> > audio, but VIC did not receive any video.  other clients connected to 
> > the
> > same venue could see both the bridged video and audio.  i've not yet
> > tracked down the problem.  when/if i do, i will share the results.
> 
> That's one description of the problems one sees with firewalls that 
> have reflexive ACLs installed - outgoing traffic on a port enables 
> incoming traffic on that port. Since rat uses the same source and 
> destination port, it will work properly. Vic uses different source and 
> dest ports, so the traffic won't flow back in.
> 
> --bob
> 






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