[nsp] Re: Per VLAN Stats on MSFC2 - Complaints from the Field
Hudson Delbert J Contr 61 CS/SCBN
Delbert.Hudson at LOSANGELES.AF.MIL
Thu Nov 20 17:43:07 EST 2003
cisco long ago made the decision that counting packets was NOT as important
processing them. i've seen this thread in discussions about IOS since
9. they arent going to change the methodology right now because we need to
of it. why use the overhead involved with passing info about L2 to L3
if 'train is still moving the cattle'. who cares?
61CS/SCBN - LAAFB NCC
Network Architecture & Engineering Group
delbert.hudson at losangeles.af.mil
From: Gert Doering [mailto:gert at greenie.muc.de]
Sent: Thursday, November 20, 2003 1:43 PM
To: Anthony Cennami
Cc: Nanog Mailing list; Robert A. Hayden; cisco-nsp at puck.nether.net
Subject: Re: [nsp] Re: Per VLAN Stats on MSFC2 - Complaints from the
On Thu, Nov 20, 2003 at 12:52:02PM -0500, Anthony Cennami wrote:
> This is because in 1996 you were likely not dealing with 'Switch
> Routers'; today's 'routers' perform some form of flow switching/caching,
> meaning once the traffic enters the VLAN routed interface and an
> appropriate path is found it is sent down the the Layer 2 fabric.
This is all nice and shiny, but having shortcuts doesn't mean "the L2
fabric can't export the resulting numbers up to the L3 brain".
They just botched it. Counters and Cisco boxes seem to be fundamentally
USENET is *not* the non-clickable part of WWW!
Gert Doering - Munich, Germany
gert at greenie.muc.de
gert at net.informatik.tu-muenchen.de
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