Network Monitoring

[Tony Wasson]

On Wed, Apr 14, 2010 at 1:55 PM, Nathan England <nathan at paysonlinux.org>wrote:

> Hello Hello,
>
> I'm looking for a program or something that can monitor my network as a
> whole and tell me which machines are consuming all my bandwidth. Something
> that I could install on a linux box, plug it into the network and stick it
> in a corner and check it a week later would be ideal. All the tools I've
> tried only tell me what the machine itself is consuming, not other things on
> the network. Any recommendations out there?


For internet link bandwidth reporting, I'd take a look at ntop. You may need
to enable a mirror port on your switch to "see" this traffic to and from the
internet.

For an internal network bandwidth, I'd suggest using an SNMP capable switch
and a problem like cacti or MRTG graphing bandwidth on each switch port.
NTOP can help with internal bandwidth reporting, but the mirror port setup
is more complicated in a single switch internal network.

Hope this helps,
Tony Wasson
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