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Hi! First of all: many, many thanks for creating this
tool. It works great! I tell everyone within telecom circles
who care about testing performance to use your tool! I do have a feature request… The IPERF’s –r functionality is useful, where
you can setup another TCP session from the server to the client. In Firewalled environments, it’s (usually) possible to
initial an IPERF from within the trusted inside network to an outside server to
obtain TCP performance results. It’s entirely another matter if you
use the –r option. Most firewalled environments don’t allow the
outside machine to initiate a TCP session to port 5001 on the inside network. It should be possible to have the flow reverse within the
same established TCP session from client (inside) to server (outside), so that
the same State table entry in the firewall gets used, and then I/we would get
the same information about the uplink performance without starting a new TCP
session. Most of the time I don’t need this functionality (say
over VPNs or in the clear), but there are times this would be really handy. Thoughts? Regards, Ian. |