[Flent-users] IRTT question

Toke Høiland-Jørgensen toke at toke.dk
Fri Feb 9 12:38:10 EET 2018


Toke Høiland-Jørgensen <toke at toke.dk> writes:

> Sebastian Moeller <moeller0 at gmx.de> writes:
>
>> Hi Toke,
>>
>>
>>> On Feb 9, 2018, at 11:05, Toke Høiland-Jørgensen <toke at toke.dk> wrote:
>>> 
>>> Sebastian Moeller <moeller0 at gmx.de> writes:
>>> 
>>>> Hi Toke,
>>>> 
>>>> 
>>>>> On Feb 8, 2018, at 22:19, Toke Høiland-Jørgensen <toke at toke.dk> wrote:
>>>>> 
>>>>> Sebastian Moeller <moeller0 at gmx.de> writes:
>>>>> 
>>>>>> Hi Pete,
>>>>>> 
>>>>>> 
>>>>>>> On Feb 8, 2018, at 20:49, Pete Heist <peteheist at gmail.com> wrote:
>>>>>>> 
>>>>>>> It should work, but the irtt server needs to be running. On your box where netserver is running (sounds like the Mac for you if you’re testing locally), run “irtt server”.
>>>>>> 
>>>>>> 	Ah, that got me a bit further:
>>>>>> 
>>>>>> which: Found irtt executable at /Users/smoeller/go/bin/irtt
>>>>>> UDP RTT test: Cannot use irtt runner (Irtt connection check failed: Error: read udp4 192.168.1.222:63322->130.243.26.64:2112: read: connection refused
>>>>>> ). Using netperf UDP_RR
>>>>> 
>>>>> Ah, that's the public server that I'm hosting. Meant to add an irtt
>>>>> instance to that but guess I forgot. Will do so tomorrow :)
>>>> 
>>>> 	That would be sweet, I guess I learned a lot today about what to
>>>> 	do locally so I might actually be successful then, after Pete's
>>>> 	and your generous help!
>>> 
>>> Right, you should be able to run irtt tests against
>>> netperf-eu.bufferbloat.net now. Seems I did add the irtt server, but had
>>> forgotten to open the firewall port :)
>>
>> Ah, great, this got me a bit further:
>>
>> UDP RTT test: Cannot use irtt runner (Irtt connection check failed:
>> [InvalidServerRestriction] server tried to reduce interval to < 1s,
>> from 1s to 92ns ). Using netperf UDP_RR
>
> Huh, this looks like a bug? Pete?

Ah, hang on, I was running an old version of irtt on the server. Try
now? :)

-Toke




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