Periodic assignment of unique IP address
Dan Farrell
dan at spore.ath.cx
Thu Nov 29 17:43:43 UTC 2007
On Thu, 29 Nov 2007 17:04:38 +0000
"Siraj Shaikh" <siraj.shaikh at gmail.com> wrote:
> May I just add here, we are not interested in assigning a particular
> unique IP address (at every renewal) - just whatever is available from
> the pool (which we will set accordingly ofcourse).
Perhaps changing the MAC address on the 'sensor' would be the best way
to be recognized as a different client.
Any intruder worth his weight in bits is going to be able to see
through your IP ruse anyway, if you don't change the MAC address.
> Sorry, my orignal question was I think ambigious. What I meant was the
> range of lease time, that is to say, if I assign a range of 5 minutes
> to 3 days, I would like the server to assign a lease for anytime
> between 5 mins and 3 days - and let it choose it randomly.
Better to handle this on the client I think. You can send a signal to
your dhcp client to renew the lease after sleeping a random time.
Both of these problems are probably best solved on the client, and not
with the dhcp server. I'm no expert, but that's how I would do it.
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