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: lguill...@reservetele.com Reserve Telecommunications 100 RTC Dr Reserve, LA 70084 _________________________________________________________________________________________________ Disclaimer: The information transmitted, including attachments, is intended only for the person(s) or entity to which it is addressed and may contain confidential and/or privileged material which should not disseminate, distribute or be copied. Please notify Luke Guillory immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. Luke Guillory therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. . -----Original Message----- From: NANOG [mailto:nanog-boun...@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 --------------------------------------------------------------------------- Peter Beckman Internet Guy beck...@angryox.com http://www.angryox.com/ ---------------------------------------------------------------------------
