[AG-TECH]Unicast bridge issues.

Derek Piper dcpiper at indiana.edu
Fri Apr 29 12:59:06 CDT 2005


	If you have Windows XP with service pack 2, it will prompt you to make 
an 'exception' for the rat or vic executables directly, so that whenever 
they run they're not encumbered by the firewall regardless of the ports 
they use.

	Derek

John Hofmann wrote:
> RAT reports which udp port is in use, so it's easy to create an
> exception in the Windows XP firewall.
> 
> -----Original Message-----
> From: owner-ag-tech at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov] On
> Behalf Of Jason Soohoo
> Sent: Friday, April 29, 2005 10:08 AM
> To: Brian Tieman
> Cc: ag-tech at mcs.anl.gov
> Subject: Re: [AG-TECH]Unicast bridge issues.
> 
> Hi Brian,
> 
> I've seen some similar problems before, On a WinXP system, if the XP 
> firewall is up, I've seen it block the audio services.  Or even in
> general 
> if there is a firewall inbetween the the laptop subnet (wireless
> router?) 
> there could be blockage there.
> 
> On a MacOSX system, Some reason it doesn't support encrypted Venues. We 
> have our own Bridgeserver here, The Powerbook couldn't see anyone due to
> 
> the Venue had encryption on. Once I dropped encryption, it worked fine.
> 
> I hope this will help!
> 
> 
> Jason SooHoo
> MIT Haystack Observatory
> 
> 
> 
> On Tue, 26 Apr 2005, Brian Tieman wrote:
> 
> 
>>Hi all!
>>
>>I've got a local venue up and running and clients on several different
> 
> 
>>subnets.  Some of the clients can share AV just fine, but some can
> 
> not. In 
> 
>>particular, I have a wireless laptop that can not get audio or video
> 
> from any 
> 
>>other machine.
>>
>>It was suggested that maybe the bridgeserver would help as it was
> 
> believed 
> 
>>wireless tends to block multicast.  So, I've no installed and
> 
> configured the 
> 
>>bridgeserver to work.
>>
>>This had the result of allowing some of the machines on different
> 
> subnets to 
> 
>>now share video--whereas previously the could not, but the wireless
> 
> laptop 
> 
>>still can not participate (the wireless laptop can share apps, data, 
>>etc...just not audio or video).  Also, only the video seems to work
> 
> over 
> 
>>unicast--the audio does not appear to be shared.  That is, RAT does
> 
> not list 
> 
>>any audio sorces except for the local machine.
>>
>>Anyone got any ideas of what might be going on?  The bridgeserver puts
> 
> us in 
> 
>>a marginally happier place, but I'm still counting on being able to
> 
> link in 
> 
>>the wireless laptop--which I currently can't do.  If anyone has an
> 
> idea of 
> 
>>what to look at or where, I would be very greatful!
>>
>>Thanks!
>>
>>Brian Tieman
>>Advanced Photon Source
>>Argonne National Laboratory
>>
>>
>>!DSPAM:426ea9d8191391100417974!
>>
> 
> 
> 

-- 
Derek Piper - dcpiper at indiana.edu - (812) 856 0111
IRI 323, School of Informatics
Indiana University, Bloomington, Indiana




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