Hello Community!
I am looking for a way to reserve a given amount of upstream bandwidth to VoIP connections. Currently we have 1MBit ADSL upstream, 5Mbit SDSL is already ordered. The codec currently active in our 5 VoIP-phones uses ~90kbit/s so I would like to dynamically reserve 500kbit/s.
All VoIP connections come from a seperate subnet/interface on our ASG and go to a seperate subnet/interface behind a remote ASG connected via IPSec-VPN.
This is, what I've tried so far:
1. Create a traffic-selector "VoIP" (VoIP-Subnet -> any)
assign "VoIP" to a bandwidth pool of my DSL Interface with 500kbit guaranteed bandwidth.
As soon as I start some larger FTP-uploads (transparent ftp-proxy active!), all my upstream bandwidth gets consumed by them and the VoIP connections break down.
2. Create a traffic-selector "Any" (any -> any)
assign "Any" to a bandwidth pool of my DSL Interface with 100kbit guaranteed bandwidth AND 500 kbit MAXIMUM bandwidth.
Still an single ftp-upload can sonsume all upstream bandwidth.
I would imagine that this is a quite common task so if you already found a working solution, please let me know.
Cheers
DiePlage
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