[afnog] Monitor ethernet bandwith utilisation on Cisco switch

[Eliufoo C. Mahinda]

>>By manage I mean bandwidth allocation and restriction per port; Qos, and packet filer.

MRTG and Cacti will give your graphical analysis on the amount of bandwidth consumed on  port/interface. The use SNMP protocol to gather information on the device status by polling it on a given interval . 

If you wish to limit amount of bandwidth on a port, look at ""rate-limit" cisco command
http://www.cisco.com/en/US/docs/ios/12_0/qos/command/reference/qrcmdr.html#wp1017761

If you wish to control your LAN traffic, you should consider setting up a proxy server (squid).

hope this information helps.

Regards,
Elly


--- On Mon, 11/3/08, Meuyou Noumba <isaacpimp at yahoo.fr> wrote:
From: Meuyou Noumba <isaacpimp at yahoo.fr>
Subject: Re: [afnog] Monitor ethernet bandwith utilisation on Cisco switch
To: mtinka at globaltransit.net
Cc: afnog at afnog.org
Date: Monday, November 3, 2008, 6:13 PM


By manage I mean bandwidth allocation and restriction per port; Qos, and packet filer.

It's MRTG works for any type of cisco router?





MEUYOU NOUMBA ISAAC II 
IT SPECIALIST (B.Sc,MCP) 
MUK - FCIT 
P.O.Box 7062 
Kampala Uganda 
Tel:+256(0)775261129
"Think of What you Want"


--- En date de : Lun 3.11.08, Mark Tinka <mtinka at globaltransit.net> a écrit :
De: Mark Tinka
 <mtinka at globaltransit.net>
Objet: Re: [afnog] Monitor ethernet bandwith utilisation on Cisco switch
À: isaacpimp at yahoo.fr
Cc: afnog at afnog.org
Date: Lundi 3 Novembre 2008, 10h19

On Monday 03 November 2008 17:09:05 Meuyou Noumba wrote:

> Please I just want to monitor and manage the bandwidth
> utilization on the ports of my switch.
>
> I want to use a cisco switch.
> I need advice.

For monitoring, I recommend using SNMP with MRTG or Cacti.

For bandwidth management, well, depending on the type of 
Cisco switch, the QoS features available to the platform 
will determine how granular you can manage the bandwidth.

More features translates to higher cost, as Cisco Catalyst 
switches typically forward traffic (and perform QoS) in 
hardware.

In my experience, some QoS features in Cisco switches 
(particularly the desktop models) may appear, but don't
 
actually take once configured.

Perhaps you may explain, further, what it is you are trying 
to achieve. Are you trying to manage LAN bandwidth, or do 
you want to use the switch to control the amount of 
bandwidth your users get to the Internet?

Do you plan to use the switch as a Layer 3 device (so-called 
Layer 3 switch)?

Cheers,

Mark.





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