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Re: RMON in hardware

Stephen Grau <steveg@novell.com> Thu, 14 April 1994 02:25 UTC

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From: Stephen Grau <steveg@novell.com>
Message-Id: <9404132235.AA02092@na.SJF.Novell.COM>
Subject: Re: RMON in hardware
To: karl@empirical.com
Date: Wed, 13 Apr 1994 15:35:30 -0700
Cc: ppmorris@mailbox.syr.edu, steveg@novell.com, mark@csn.org, snmp@psi.com, rmonmib@jarthur.cs.hmc.edu
In-Reply-To: <9404132211.AA02682@empirical.com> from "Karl Auerbach, Empirical Tools and Technologies, 408/427-5280" at Apr 13, 94 03:11:11 pm
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> 
> 
>  > Novell's NetWare LANalyzer Agent (RMON probe) integrates with the NetWare
>  > 
>  > The LANalyzer Agent toggles promiscous mode off if CPU loading gets excessive.
> 
> Not to put too fine a point on it, but does this mean that it
> resets sysUpTime whenever it drops out of promiscous mode?

No.
> 
> How can a manger know that the counts that the rmon then gives are
> skewed because the agent is only running part time in promiscous
> mode? 

It uses the DropEvents object and the captureBufferPacketStatus to indicate
that packets have been missed.  It's analogous to a dedicated probe
being overrun by more packets than it can process.

Steve

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