[188008] in North American Network Operators' Group
Re: sFlow vs netFlow/IPFIX
daemon@ATHENA.MIT.EDU (Nick Hilliard)
Wed Mar 2 12:31:59 2016
X-Original-To: nanog@nanog.org
X-Envelope-To: nanog@nanog.org
Date: Wed, 02 Mar 2016 17:30:51 +0000
From: Nick Hilliard <nick@foobar.org>
To: Peter Phaal <peter.phaal@gmail.com>
In-Reply-To: <5EC55121-9368-4DA4-9DCE-B62CD40BA439@gmail.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
Peter Phaal wrote:
> The Nexus 3200 should work well with 100G flows - I believe it's
> based on the latest Broadcom Tomahawk ASIC. The older Trident II
> ASICs in the Nexus 9k are 40g parts
does nx-os still force ingress-and-egress sflow? sflow is pretty
useless you can define an accounting perimeter, which means that you
need either ingress across the board, or egress. ingress-and-egress is
basically useless because you end up double counting everything.
Nick
