alert when new device is on network

[Andreas Ericsson]

Steve Huff wrote:
> On Sep 5, 2007, at 5:51 PM, Rogelio Bastardo wrote:
> 
>> I am looking for a tool that will alert me (possibly send me an email)
>> when a new device pops on the network.
>>
>> Does anyone know if there is a Nagios plugin?  Or whether or not
>> something else Nagios-friendly might help with this task?
> 
> perhaps a combination of arpwatch (http://freequaos.host.sk/ 
> arpwatch/) and passive monitoring?  i have not in fact implemented  
> this, but it's the first idea that comes to mind.
> 

ARP is a bit limited though, in that it will only ever find host on
the same subnet.

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

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