Re: Redhat DHCP errors caused by unknown machine.

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On Apr 23, 2009, at 5:53 AM, ~~~0Pen ~~~ S0uRce ~~~ wrote:

On Thu, Apr 23, 2009 at 4:04 PM, <Andrew.Bridgeman@xxxxxxxxxxxxxx> wrote:



Every Minute it says "dhcpd BOOTREQUEST from 00:18:b1:??:??:?? via Bond0:
BOOTP from dynamic client and no dynamic leases.


the reason is very clear that there is no free IP Address available for your clients,the range which you defined in dhcpd.conf file is used by your other clients,now you have to increase the range of ip addresses in dhcpd.conf
file.

parameter is some thing like

range  10.0.0.1       10.0.0.10; before
range 10.0.0.1         10.0.0.15 after

if you have bounded your clients with their MAC address then review the
dhcpd.conf file !!

correct me if i am wrong guys !!


I understood that he was actually trying to find the computer, and not just fix the error. There may be some rogue system on the network trying to gain an IP address.

Normally, you would probably use a managed switch to track down the segment where it is present.

Maybe someone has an illicit wifi AP on the network, and someone close tries to join?

Maybe someone has changed their MAC address bound to a card?

Maybe someone has a virtual machine installed on their computer?

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