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QoS 8025 Video Conferencing setup

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Posts: 22
Jul 21st, 2009 at 11:20pm  
Hey Folks

Anyone able to help looking to setup a video conferencing sysytem over iDirect, need a little help on the QoS setup i am using the DSCP and Vlan identification on the application up and downstream profiles but i am still seeing pixelized video from remote to hub and it just freezes going from the hub to the remote.

any ideas???

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Reply #1 - Jul 22nd, 2009 at 11:59am  
Do have an end-to-end QOS policy, or are you only trying to accomplish QoS at the iDirect layer?  If you are only using the iDirect layer, you will need to take your plan/policys to your border routers and beyond.  An end-to-end solution is tedious but they are the most effective.  Accomplishing it on the iDirect (although it would be nice if it were that easy) is simply not enough, as your traffic is probably getting lost in the router queuing, or simply ending up behind "other" (default) traffic) on the routers.    In the case of TCP it often ends up out of sequence.  However in your case it is UDP (fire and forget unreliable).    My guess is you are bottlenecking at the routers....Ingress and egress.

Suggest you break out the wireshark/ethereal and sniff the path...that should help you find your bottleneck.
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