Is it necesary to have QOS in place for a link that only dedicated for Video Conference only? Means only Video traffic are passing through this link and its 10mb Metro-E Point-to-Point link. Any suggestion would be helpful.Thanks
Whenever you have multiple services running in your network then you need a Qos to shape it to prioritize the traffic for the important applications like your voip, mail etc. But when it is dedicated only for VC then no need of doing Qos.
Thanks. If let say I run VOIP and VC on the same line(no other traffic). VC takes about 700kbps and VOIP takes about 30kbps per call(average about 7-8 concurrent calls). And my bandwidth is 10mbps, do it still need to do QOS?
Then also you can leave as it is assuming there are no other services running through that link. I hope you are about to use Cisco Unified VC right. But if you want to do a Qos for this you can refer the below document.
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Even when running just one service, you might need to do some "QoS". For something like video, which tends to be very bursty, you might need to adjust queue depths to avoid premature drops (like wise disable WRED, if active).
When mixing VoIP and VC, if the bandwidth usage is as low as you note relative to the available bandwidth, there's a good change you don't need to make any changes. If the relative bandwidth usage was higher, where there was any change there might be transient congestion that would cause some packet drops, then you might want to use additional QoS techniques to prioritize VoIP over VC and/or drop a VC video packet before VC voice or VoIP packets.
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