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

[Simon Hobson]

Ryan McCain wrote:

>Here is a snip from my leases file:
>
>lease 10.116.6.142 {
>   starts 0 2007/11/11 01:44:43;
>   ends 0 2007/11/11 01:45:02;
>   tstp 0 2007/11/11 01:45:02;
>   binding state free;
>   hardware ethernet 00:10:7b:4d:73:c6;
>   uid "\000cisco-10.116.6.251-Async17";
>}
>lease 10.116.6.179 {
>   starts 1 2007/11/12 03:23:15;
>   ends 2 2007/11/13 03:23:15;
>   tstp 2 2007/11/13 03:23:15;
>   binding state free;
>   hardware ethernet 00:10:7b:4d:73:c6;
>   uid "\000cisco-10.116.6.251-Async25";
>
>So, its  not always Async32, but it will always contain "-Async".
>
>If I understand you correctly the syntax would be:
>
>match if substring(option dhcp-client-identifier, 3,5) = "Async";
>
>Correct?
>
>I know the 3,5 are wrong based on the other post but as far as using 
>the right option, dhcp-client-identifier is the correct one to use 
>in this scenario?

Yes.