check_dhcp

[abid dar]

I've tried that, 

" ./check_dhcp -vvv
DHCP ok: Received 1 DHCPOFFER(s), max lease time = 0 sec."

if I try passing any argument while trying to specify IP I get this

./check_dhcp -s 10
DHCP problem: Received 3 DHCPOFFER(s), 0 of 1 requested servers responded, max lease time = 284400 sec.


I tried to see if I can find another dhcp plugin but no luck.



----- Original Message ----
From: Luca Fornasari <luca at jewelrydesign.com.hk>
To: Hari Sekhon <hpsekhon at googlemail.com>
Cc: abid dar <snyper9311 at yahoo.com>; Nagios Users mailinglist <nagios-users at lists.sourceforge.net>
Sent: Wednesday, April 18, 2007 6:12:17 AM
Subject: Re: [Nagios-users] check_dhcp

dhcp3 has built-in failover; maybe you also have dhcp-relay?
anyway try -vvv
Luca

----- Original Message -----
*From:* Hari Sekhon <hpsekhon at googlemail.com>
*Sent:* 04/18/2007 6:06:05 PM +0800
*To:* abid dar <snyper9311 at yahoo.com>
*CC:* Nagios Users mailinglist <nagios-users at lists.sourceforge.net>
*Subject:* [Nagios-users] check_dhcp

> try -vvv to see who is giving you these leases.
>
> You generally only need 1 dhcp server per subnet or if you have more you 
> should make sure they have non-overlapping address pools. I actually 
> made a wrapper script to this to actually warn me of rogue dhcp servers 
> on the network after an incident with some clumsy person installing 
> vmware with it's dhcp and sending a laptop off to the wrong subnet... so 
> you might want to check why the second attempt says you had 3 DHCPOFFERS.
>   




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