I am using iperf to simulate the bandwidth performance for the VoIP. I am trying to understand the correlation between bandwidth and the number of calls running simultaneously.
I have a MPLS connection between PC1 and PC2. PC1 has a 50mb connection and PC2 has a 1MB connection.
So I setup my iperf client (PC1) with bandwidth as 1mbps and 1 as the number of parallel client threads to run and I see packets dropped. Does it mean that I am having issue with my existing VoIP traffic? I also setup my mss as 218, which the VoIP packet with g711 codec with all the appropriate header.
Now when I increase the bandwidth, the number of packets dropped increased.
Can somebody help me understand this?
PS. I got my setup from crok-linkblog.homelinux.com/links-cisco/how-to-use-iperf-properly-additions-to-the-tcp-throughput-post/
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