check_dhcp seems not working

Holger Weiss holger at CIS.FU-Berlin.DE
Thu Jan 15 21:37:22 CET 2009


* Christian Iñiguez <challenger_joseph at yahoo.com.mx> [2009-01-15 10:46]:
> I have a linux server as dhcp server and it's working very well, and
> I'd like to monitoring it with nrpe plugin and check_dhcp.
> 
> The problem here is the outcome of check_dhcp is always: CRITICAL: No
> DHCPOFFERs were received. But the server is working alright.

Do you see the request and a reply in the DHCP server's logs?  If so,
could you verify that the server's reply reaches the host running
check_dhcp using tcpdump(8) (e.g., "tcpdump -vv port bootps")?

Holger

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