Nuno,
(re-adding the users list, didn’t realize this wasn’t being included)
A lot of this information is in the man pages for owping, or as output from “owping -h". As an example ,
owping $yourtargethost -N 1 -i 1 -c 5 -6
Hopefully you can tailor that or fiddle around with it to get more in line with what you’re looking for.
Dan Doyle
GlobalNOC Software Developer
1-812-856-3892
On Mar 9, 2016, at 10:22 AM, Nuno Galego <> wrote:
Thanks Daniel, Iperf3 show another type of output (per second), how give me more information about the network. Can you show me the command line and the output of the UDP test in IPv6 with measure of the Delay, jitter and packet loss per second/line? Regards, Nuno
From: Subject: Re: [perfSONAR-developer] Iperf - Delay Date: Wed, 9 Mar 2016 10:10:48 -0500 To: Nuno,
owping functions similarly to the regular ping command except it is intended to be unidirectional instead of bidirectional, and it has some extra info as well. It shows one way delay, jitter, loss, and hops, and can be 4 or 6 only.
Some example output:
SID: 8cb62c5cda8abadc55e92c6551b5ec03 first: 2016-03-09T10:08:23.106 last: 2016-03-09T10:08:23.106 1 sent, 0 lost (0.000%), 0 duplicates one-way delay min/median/max = 0.756/0.8/0.756 ms, (err=0.261 ms) one-way jitter = 0 ms (P95-P50) Hops = 4 (consistently) no reordering
You can check out the man page for more information. Dan Doyle
GlobalNOC Software Developer
1-812-856-3892
On Mar 9, 2016, at 9:57 AM, Nuno Galego <> wrote:
Hi Daniel, I want to measure the packet loss, jitter and delay in a UDP connection in IPv4 and IPv6, and finally construct a excell graph who shows the evolution. I think that Iperf is na excelente tool to do that, but I need the delay... owping show the detailed output per second like iperf??? I already tried to install that patch, but I dont konw why I can't... Or I'm doing something wrong... Regards, Nuno
Subject: Re: [perfSONAR-developer] Iperf - Delay From: Date: Wed, 9 Mar 2016 08:56:53 -0500 To: Hi Nuno,
It looks like that patch is intended for iperf2. While it is possible that the patch you listed will apply against iperf3, they are different enough codebases that I would not be surprised if it did not. It looks like that patch hasn’t been touched in a long time anyway.
If you are looking to measure delay, you might want to look into the “owping” command to measure delay in a single direction. Dan Doyle
GlobalNOC Software Developer
1-812-856-3892
On Mar 8, 2016, at 6:39 PM, Nuno Galego <> wrote:
Hi, I’m doing a measurement in Iperf, and I have a problema.. How can I measure the delay in a UDP test?? I want to try it in Iperf3, if it’s possible.Can help me? Regards, Nuno Galego
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