Re: DHCP adres in superscope


Correct me if I'm wrong, but I believe a superscope and multiple subnets are
two different things. If you want to give out DHCP addresses in a superscope
(via a normal broadcast DHCP exchange), you'd have to assume that hosts in
the broadcast domain can use any address in the scope. So the DHCP server
should have a subnet mask that encompasses the entire DHCP scope. If you're
handing out multiple scopes (subnets), you'd need a DHCP relay in a
contained broadcast domain to insure that you get an address from the
correct scope. Otherwise, it would just be a random chance that you get the
address for your subnet.

....kurt

"Peter" <p2004@xxxxxxxxxxx> wrote in message
news:685cb$43739a2c$3ec2d90a$9405@xxxxxxxxxxxxxxxxx
> Hello,
>
> I have a 70-291 exam comming monday and have a simple question.
> (I am from Holland so sorry for the grammar)
>
> In the documentation they say that the DCHP server should be given an
> address in the same local subnet as the DHCP's address scope. I can follow
> that if the
> address scope is set to 192.168.0.10/24 to 192.168.0.254/24 then the DHCP
> server needs an address in the subnet 192.168.0.0/24.
>
> So far so good???
>
> But wat if you host a superscope with multiple subnets, like:
> 192.168.0.10/24 to 192.168.0.254/24 and 192.168.1.10/24 to
> 192.168.1.254/24
> Then the address of the DHCP server cannot be in both subnets and I can't
> fix is by giving the server an address like 192.168.0.1/23 because I don't
> own that scope.
>
> Can anyone (who can still follow me) help me with this brainstorm??
>
> With kind regard,
> Peter
>
>


.

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