To the group

I realise that I don't completely understand how the traffic shaping works on 
AstLinux and I really need to.
I have set the following:

Type - I am using hfsc which I assume is the best
Downlink speed - I am setting this to slightly less than than my DSL modems 
reported speed e.g. 95%
Uplink speed -  I am setting this to slightly less than than my DSL modems 
reported speed e.g. 95%
VoIP UDP Ports - 16384:16639. The same as I have set in rtp.conf

My questions are:

1) Does the script only use the VoIP ports for queue classification. It appears 
that even though I have the range set in rtp.conf, it only affects my allocated 
port and not the destination port to my Service provider which is not in this 
range? Wont this mean that I am not prioritising rtp on my uplink? Can I force 
symmetrical RTP port allocation?
2) Is 95% ok for the reduction. Does anyone use a different formula
3) How does the Downlink traffic shaping work? Does it just restrict the 
traffic flow of non VoIP traffic (e.g. not in the VoIP UDP Port Range) to fit 
the Downlink traffic shaping envelope? 

What is everyone else doing?

Regards
Michael Knill





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