Curious behaviour with expired/abandoned leases not being given out

[Bob Harold]

On Tue, Mar 10, 2020 at 10:06 AM perl-list <perl-list at network1.net> wrote:

> I've seen situations where one client can continuously DHCPDECLINE every
> address that is allocated essentially marking entire pools abandoned.  It
> goes like this:
>
> DHCPDISCOVER
> DHCPOFFER
> DHCPREQUEST
> DHCPACK
> DHCPDECLINE
>
> DHCPDISCOVER
> DHCPOFFER
> DHCPREQUEST
> DHCPACK
> DHCPDECLINE
>
> DHCPDISCOVER
> DHCPOFFER
> DHCPREQUEST
> DHCPACK
> DHCPDECLINE
>
> over and over and over again at a very rapid pace.  Check your logs for
> this type of behavior and remove the offending device from the network if
> found.
>
>
I have also seen this, and if memory serves me, the lease file will show
'state' as "5" for the declined IP's.

-- 
Bob Harold
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