Re: Alert on new IP in use?

[Matt Kettler <mkettler () evi-inc com>]

Rich Adamson wrote:
> Looking for a way to monitor a small banking network and generate
> an alert when an unused IP address is observed. The current IP's are
> not consecutive.
>
> Example: we have 26 static IP addresses assigned to workstations and
> servers. If a 27th (or greater) address appears on the wire, generate
> an alert. (Note: not very interested in watching MAC addresses as some
> of the IP's are behind another layer-3 device.)
>
> Thoughts?

Arpwatch.


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