nanog mailing list archives
Re: 10G switch drops traffic for a split second
From: Lee <ler762 () gmail com>
Date: Wed, 30 Nov 2016 11:58:06 -0500
On 11/30/16, Mikael Abrahamsson <swmike () swm pp se> wrote:
On Tue, 29 Nov 2016, TJ Trout wrote:Is it possible to over run the buffers of a 320gbps backplane switch with only 1.5gbps traffic? I think the switch is rated for 140m PPS and I'm only pushing 100k PPSIf your switch is the typical small-buffered-switch that has become more and more common the past few years, then the entire switch might have buffer to keep packets for 0.1ms or less. So if someone says "flow control off" for 0.1ms, depending on the implementation, you might then start seeing packet drops on all ports until that device turns flow control back on.
I always disabled flow control on the theory that VoIP & flow control are incompatible. just out of curiosity - anyone have it enabled? if so, why? Lee
Current thread:
- RE: 10G switch drops traffic for a split second, (continued)
- 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)