10G switch drops traffic for a split second

Michael Loftis mloftis at wgops.com
Tue Nov 29 23:16:17 UTC 2016

Yeah you also have to look for not so obvious things like MAC Pause
frames sent/received...QoS counters, all sorts of VERY platform
specific stuff.  Right royal pain, especially since some do not expose
these statistics at all.

On Tue, Nov 29, 2016 at 3:10 PM, Peter Beckman <beckman at angryox.com> wrote:
> On Tue, 29 Nov 2016, TJ Trout wrote:
>> I plan on disabling FC on everything tonight, I've done that before but I
>> want to be sure.
>> Anything that can be done about the 2 x 1G peers trunking to the 10G
>> router
>> transition that can be fixed? should I be rate limiting the vlan for the
>> peers at 1G so the 10G router isn't trying to send more than 1G?
>  This thread reminded me of a blog post that struck me as useful 5 years
>  ago, and again today. Measuring throughput, when dealing with buffers and
>  troubleshooting errors and packet loss, must be done at a sub-one-second
>  sampling rate.
>  http://blog.serverfault.com/2011/06/27/per-second-measurements-dont-cut-it/
> Beckman
> ---------------------------------------------------------------------------
> Peter Beckman                                                  Internet Guy
> beckman at angryox.com                                 http://www.angryox.com/
> ---------------------------------------------------------------------------


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