dhcp

[Benjamin Minshall]

> -----Original Message-----
> From: Ben Pfaff [mailto:blp@pfaffben.user.msu.edu]On Behalf Of Ben Pfaff
> Sent: Wednesday, September 13, 2000 3:41 PM
> To: Benjamin Minshall
> Cc: Marcel Kunath; linux-user@egr.msu.edu
> Subject: Re: dhcp
>
>
> "Benjamin Minshall" <minshal1@pilot.msu.edu> writes:
>
> > Depends on the DHCP server.  A lease on an address is not a
> gurantee to the
> > client.  Each time the client comes online, it still must
> contact the DHCP
> > server to make sure its lease is still valid.
>
> If the client has released the IP address (with DHCPRELEASE) or
> if the lease has expired, yes.
>
> > Chances are, a heavily loaded system will have a much shorter
> > lease time or will revoke leases if the client is not online.
>
> The latter is outside the scope of RFC2131, AFAICT, but maybe
> you've read it more closely than I have.
>

While you are correct about the RFC, some partially(non)-compliant servers
or installations do actaully revoke (re-assign) addresses before the lease
expires in heavily loaded environments.  I know both the WindowsNT and the
Netware DHCP servers have been known to do so.  I guess it's a
bug^H^H^Hfeature.


> > Again, it all depends on the policies of the DHCP
> > administrator.