nanog mailing list archives

Re: sFlow vs netFlow/IPFIX


From: Nick Hilliard <nick () foobar org>
Date: Wed, 02 Mar 2016 17:30:51 +0000

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


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