nanog mailing list archives
Re: 10G switch drops traffic for a split second
From: Michael Loftis <mloftis () wgops com>
Date: Tue, 29 Nov 2016 15:16:17 -0800
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 () 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 () angryox com http://www.angryox.com/ ---------------------------------------------------------------------------
-- "Genius might be described as a supreme capacity for getting its possessors into trouble of all kinds." -- Samuel Butler
Current thread:
- 10G switch drops traffic for a split second TJ Trout (Nov 29)
- RE: 10G switch drops traffic for a split second Luke Guillory (Nov 29)
- Re: 10G switch drops traffic for a split second Chuck Anderson (Nov 29)
- Re: 10G switch drops traffic for a split second Mikael Abrahamsson (Nov 29)
- Re: 10G switch drops traffic for a split second TJ Trout (Nov 29)
- Re: 10G switch drops traffic for a split second Michael Loftis (Nov 29)
- Re: 10G switch drops traffic for a split second TJ Trout (Nov 29)
- Re: 10G switch drops traffic for a split second Peter Beckman (Nov 29)
- Re: 10G switch drops traffic for a split second Michael Loftis (Nov 29)
- RE: 10G switch drops traffic for a split second Luke Guillory (Nov 29)
- Re: 10G switch drops traffic for a split second TJ Trout (Nov 29)
- Re: 10G switch drops traffic for a split second Mikael Abrahamsson (Nov 30)
- Re: 10G switch drops traffic for a split second Lee (Nov 30)
- <Possible follow-ups>
- Re: 10G switch drops traffic for a split second John Kristoff (Nov 29)