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 <beck...@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 > beck...@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