10G switch drops traffic for a split second

Luke Guillory lguillory at reservetele.com
Tue Nov 29 23:16:26 UTC 2016

Here is the video from Facebook on Monitoring, managing and troubleshooting large scale networks they did last year on the subject as well.


Luke Guillory
Network Operations Manager

Tel:    985.536.1212
Fax:    985.536.0300
Email:  lguillory at reservetele.com

Reserve Telecommunications
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-----Original Message-----
From: NANOG [mailto:nanog-bounces at nanog.org] On Behalf Of Peter Beckman
Sent: Tuesday, November 29, 2016 5:10 PM
To: TJ Trout
Cc: nanog
Subject: Re: 10G switch drops traffic for a split second

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.


Peter Beckman                                                  Internet Guy
beckman at angryox.com                                 http://www.angryox.com/

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