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.
https://www.youtube.com/watch?v=BRY9xwg5nAU
Luke Guillory
Network Operations Manager
Tel: 985.536.1212
Fax: 985.536.0300
Email: lguillory at reservetele.com
Reserve Telecommunications
100 RTC Dr
Reserve, LA 70084
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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.
http://blog.serverfault.com/2011/06/27/per-second-measurements-dont-cut-it/
Beckman
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Peter Beckman Internet Guy
beckman at angryox.com http://www.angryox.com/
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