[ale] Bandwidth Monitoring to IP

[Ben Alexander]

I have MRTG set up a box in our internal/protected zone behind our
firewall, which gathers the total traffic from our Cisco router.  Will I
have any problems using this same box and MRTG to gather info from IPs
both in the DMZ and the ones between the router and firewall?  We have a
collection of Intel switches and a older Cabletron switch, fyi.

Thanks,
Ben


-----Original Message-----
From: root at newyork.pmg.net [mailto:root at newyork.pmg.net] On Behalf Of
To: ale at ale.org
Ned Williams
Sent: Tuesday, August 14, 2001 10:49 AM
To: Ben Alexander; ale at ale.org
Subject: Re: [ale] Bandwidth Monitoring to IP


Ben Alexander wrote:

> I've got a linux box running on a hub connected between our router and

> firewall.  A switch with unprotected machines is also connected to 
> this hub.
>
> I've set up the latest NTOP for bandwidth monitoring, and it does 
> great, except that it reports all the IPs aliased to the firewall 
> under one listing.  This makes it hard to distinguish between certain 
> traffic for our virtual hosts, and what not.  Is there a way to get 
> NTOP to avoid looking at the MAC address that is the same for all the 
> IPS (b/c of firewall) or maybe another utility to try?  I've taken a 
> peek at netwatch and IP Bandwidth Watchdog but they don't exactly hit 
> the spot.
>
> Thanks,
> Ben
>
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MRTG, as long as each IP is tied to a logical or physical interface it
will have an SNMP interface set of values under either the UCD or SNMP
MIB II standards

Ned


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