Real world sflow vs netflow?

Joe Loiacono jloiacon at
Mon Sep 24 18:19:58 UTC 2012

Peter Phaal <peter.phaal at> wrote on 09/24/2012 10:39:26 AM:

> When a switch/router decides to sample a packet it records the
> ingress/egress interfaces and accumulates information about how it
> decided to forward the packet by examining its FIB tables. Each packet
> may take a different path, some may by switched at layer 2, others may
> be forwarded based on a local routing protocol like OSPF, and still
> others may be forwarded based on BGP.

OK, Well I guess I was thinking sFlow was primarily a switch oriented 
technology versus on a layer-3 peering router.

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