DHCP reservation increase

I want to increase the range of reserved addresses in my DHCP scope but what
will happen to the machines that are currently sat on the network already
using one of the addresses that is now in the new reserved range?

On the affected machines do an Ipconfig /release then ipconfig /renew after
setting up the reserved range and those machines should pick up new addresses.

"Fabrussio" wrote:

> I want to increase the range of reserved addresses in my DHCP scope but what
> will happen to the machines that are currently sat on the network already
> using one of the addresses that is now in the new reserved range?

WinXP isn't clever enough to discover it itself and renew it's own address?


"Jean Bourassa" wrote:

> On the affected machines do an Ipconfig /release then ipconfig /renew after
> setting up the reserved range and those machines should pick up new addresses.
>
> "Fabrussio" wrote:
>
> > I want to increase the range of reserved addresses in my DHCP scope but what
> > will happen to the machines that are currently sat on the network already
> > using one of the addresses that is now in the new reserved range?

"Fabrussio" <(E-Mail Removed)> wrote in message
news:91DCA8EF-8F53-4F9A-A2A5-(E-Mail Removed)...
> WinXP isn't clever enough to discover it itself and renew it's own
address?

How is it supposed to do that? DHCP does not initiate any communication to
Hosts,...DHCP is *passive*. Communication is always initiated by the Host
to the DHCP, which is only going to happen when:

1. The lease is 50% expired (4th day on the default 8 day lease)
2. A manual forced "release/renew" is performed on the client
3. The client is rebooted.

In all of these the client initiates the communication to the DHCP, not the
other way around.

--
Phillip Windell [MCP, MVP, CCNA]
www.wandtv.com