How does DHCPD determine what IP address to assign and...

[Ryan McCain]

>>> On Wed, Jan 2, 2008 at  4:04 PM, in message <20080102220411.GF3331 at isc.org>,
"David W. Hankins" <David_Hankins at isc.org> wrote: 
> On Wed, Jan 02, 2008 at 02:01:03PM -0600, Ryan McCain wrote:
>>     match if (substring(suffix(dhcp-client-identifier,7),0,5)="Async")
> 
> s/dhcp-client-identifier/option dhcp-client-identifier/g
> 
> Is it correct that you want the first 5 bytes of the last 7 bytes to
> equal "Async"?

To be honest with you I'm not sure how many byes I want of what.  I do know the UID of the leases in the leases file that I want to 'match' always contain the string "Aysnc". 

I was given that syntax by someone on the list.  I don't fully understand what the 2 numbers represent?

Thanks.