[c-nsp] IPerf alternative

CiscoNSP List CiscoNSP_list at hotmail.com
Wed Aug 9 05:51:28 EDT 2017

Hi James - Yes I tested this also....it still will not go above 50%...at first I though it may be the carriers link, but I also tested the bidirectional/simultaneous test, and it produced similar results (Single direction test were fine.)  Single direction tests are fine.

I think its a problem with IPerf, potentiallly the server nics...Or maybe IPerf is "limited" to the bandwith of the link (1G, but can only send/receive a "total" (50% in both directions)

There are a few reports of issues with the bidirectional tests, but I cant locate any "fixes".....so Id prefer to spend time looking at a more robust (proven) testing tool.


From: cisco-nsp <cisco-nsp-bounces at puck.nether.net> on behalf of James Bensley <jwbensley at gmail.com>
Sent: Wednesday, 9 August 2017 5:47 PM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] IPerf alternative

On 9 August 2017 at 08:39, CiscoNSP List <CiscoNSP_list at hotmail.com> wrote:
> Thanks Ryan - They did not include bidirectional simultaneous test in V3 I dont think? (this is a test we definitely require, and one that is causing us the most issues in v2 (It appears to be somewhat broken...perhaps that is what they dint include it in v3 ?

Run two copies simultaneously? That way you can also tweak the two
unidirectional streams independently.

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