Exponential Lease Time
Simon Hobson
dhcp1 at thehobsons.co.uk
Fri Aug 31 19:38:51 UTC 2012
Norman Elton wrote:
>Okay, this works in my lab environment. Thoughts? Test at your own risk:
>
>subnet 192.168.1.0 netmask 255.255.255.0 {
> range 192.168.1.100 192.168.1.150;
> option routers 192.168.1.1;
>
> if renewal = 3 {
> default-lease-time 20;
> max-lease-time 20;
>
> } elsif renewal = 2 {
> default-lease-time 15;
> max-lease-time 15;
> set renewal = 3;
>
> } elsif renewal = 1 {
> default-lease-time 10;
> max-lease-time 10;
> set renewal = 2;
>
> } else {
> default-lease-time 5;
> max-lease-time 5;
> set renewal = 1;
> }
>}
Out of interest, does processing that sequence of statements create
more or less load than just processing renewals without dynamic lease
lengths ?
Also, when the lease expires, does "renewal" stay set or does it get
removed from the lease record ?
--
Simon Hobson
Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.
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