10Gbit Interface Testing

[George Neville-Neil]

On 9 Dec 2014, at 16:10, Isaac (.ike) Levy wrote:

> Hi All,
>
> In our relatively small environment, I'm looking for pointers in 
> testing 10Gbit network performance, for internet-facing connectivity.  
> Our enviornment employs pairs of routers running FreeBSD- also 
> utilizing PF, CARP, and PFSYNC.
>
> We have 2 core problems testing the 10Gbit interfaces:
>
> 1) A lack of external options on the internet for testing.  We've 
> found it non-trivial to adequately saturate a 10Gbit internet 
> connection in 2014, (without having one or two more 10Gbit connections 
> to saturate).  We simply don't have enough outside resources we 
> control to saturate our lines for reasonable tests.
>
> 2) We've done our homework on testing, but would love any input from 
> this audience about ways to measure any of these:
> - PPS (easier)
> - Maximum Socket Connections (easier)
> - New Socket Connections per Second (harder!)
> - Redline Throughput (easier)
> - Ways to measure PF performance, (state handling, etc...)
> - Ways to start measure/test ALTQ based shaping, as we experiment with 
> it.
>
> Thanks for any input!

Take a look at some of the scripts in my netperf project:

git at github.com:gvnn3/netperf.git

That uses Conductor:

https://github.com/gvnn3/conductor

which is still under development,
but the packet generation is just pkt-gen on FreeBSD with netmap capable 
10G cards (Chelsio or Intel).

Bet,
George