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Old 12-17-2015, 08:21 PM   #1
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Small ISP qos with voip

Hey guys,
It's make a couple time I'm trying to figure out what is the best qos setup for us.
We are a small ISP with around 800 members and about 200 of those use voip.
We have a 400mbps bidi link.

What is the best setup for the qos. We have random voip problem and not sure what best qos solution is suitable.
Do I just need to prio with like 3 bands, first prio for voip first, second sfq for like ssh,dns,syn,ack,dhcp... and third sfq for the rest

or is it's better to figure it out another way.

Thanks for you help
Old 12-22-2015, 02:45 PM   #2
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Registered: Apr 2009
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Look like your plan is almost good. Some modification like following.
First priority:Voice over IP
Second priority:All control protocol, such as DNS, DHCP, SSH, OSPF and so on. Not SYN and ACK.
Third priority:All data traffic.
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