perfSONAR User Q&A and Other Discussion

[Hunter Fuller <>]

Wow, I didn't know about the TWAMP responder in Cisco IOS XE, thanks
for the tip!

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipsla/configuration/xe-3s/sla-xe-3s-book/sla_twamp.html

On Wed, Apr 29, 2020 at 11:47 AM Mark Feit <> wrote:
>
> HADJALI Mehdi writes:
>
>
>
> I would like to know if it’s possible to run a throughput/latency test (via 
> pscheduler command) between a perfsonar server and, for example, a cisco 
> switch.
>
>
>
> When I have launched a task between this 2 instances, I have this type of 
> error :  “owping returned an error: owping: FILE=owping.c, LINE=1757, 
> Unable to open control connection to [ipdest]:861.”
>
>
>
> Throughput requires that the device at the far end has pScheduler installed 
> and running.  There has been some work toward embedding perfSONAR in 
> routers and switches; check with your vendor to see if they support it.
>
>
>
> Latency can be run to any device that runs an OWAMP or TWAMP server.  A 
> number of vendors support TWAMP; you can force pScheduler to use that 
> instead of OWAMP by specifying the twping tool (see 
> https://docs.perfsonar.net/pscheduler_client_tasks.html#selecting-tool-s-for-tasks).
>
>
>
> --Mark
>
>
>
> --
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