DHCP hosts

[G. S. Marzot]

Hari Sekhon wrote:
> G. S. Marzot wrote:
>> Does anyone have a good solution for monitoring DHCP hosts which may 
>> come and go? I would like to see them in some hostgroup when they are 
>> active but not generate any alerts when gone...
>>
>> ideas?
>>   
> 
> I wrote a plugin for dhcpd which lists hosts that currently have leases:
> 
> http://www.monitoringexchange.org/cgi-bin/page.cgi?g=Detailed%2F1450.html;d=1 
> 
> 
> -h
> 


Thank you for the pointer to this cool plugin...

Unfortunately no solutions to date really fill the bill as the leases 
are allocated by a router that does not publish them in a way I know how 
to get... nor can I put anything on the DHCP hosts... they are not under 
my control...

Maybe there is a way to hack into my router and get the lease info... or 
maybe I need a little daemon that will just go and probe for all 
possible hosts... I would just like to see an accurate depiction of who 
is on the net at any given time... maybe this is not something nagios is 
good at (i.e., dynamic host groups).

-G

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