[afnog] real time graph on linux

[prasoon agarwal]

Absolutely correct, do not increase the polling time as this will
increase the load on the router CPU as well as on network (depend upon
the size of link/host).

I feel MRTG (Perl) is the best solution for the real time graph and
widely used by most of the operators across the globe.

If you require any help for MRTG, do write back.

Regards,
prasOOn
-----Original Message-----
From: afnog-bounces at afnog.org [mailto:afnog-bounces at afnog.org] On Behalf
Of Phil Regnauld
Sent: Monday, October 29, 2007 3:38 PM
To: eddy at terracom.rw
Cc: afnog at afnog.org
Subject: Re: [afnog] real time graph on linux

eddy at terracom.rw (eddy) writes:
> Hi,
> 
> I have used cacti in the past but it is generally (or it is by
default)
> just doing it every 5 min (300 sec) and it gives average data.
> The stg can show info every 1 sec and that is what I was looking for.
> I had never changed that 300 sec to 1 sec but maybe someone has.
> Was it successful?

	If you want to kill your router's performance, 1 sec will do
that :)

	The more often you poll, the more you load your supervisor
module
	(or the main CPU in smaller equipment with non-hardware
forwarding).

	1 minute is the lower limit.  Anything else, and you want to be
	using netflow, not SNMP.

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