Re: DHCP Superscopes & how to configuring the Router ip helper-address

Tech Tip: Click here to run a free scan for Windows Errors and optimize PC performance

Hi Philip

All points taken and received. Thanks for the insight....

Don't suppose you want to post this on the
http://www.Menkaura.com/Forum/index,php site? Your insight would be
much appreciated.

Thanks again...

Gary (MCSE & CCNA)

Phillip Windell wrote:
> "Gary" <gary@xxxxxxxxxxxx> wrote in message
> news:1130958779.269349.307620@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > What are Superscopes?
>
> > By definition a Superscope in a administrative tool for grouping more
> > than one subnet together.
> > When a physical LAN has the requirement to accommodate more than one
> > subnet then Superscopes canbe used
> > by setting them up via the DHCP MMC.
>
> The definition isn't wrong,..but it leaves out key information. Superscopes
> are used with Multi-Nets, but *not* just multiple Subnets, because having
> multiple subnets does not make it a Multi-Net.
>
> > A physical LAN that has more than one subnet is called a Multinet.
>
> It should say "A physical LAN that has more than one subnet... *on the same
> wire* ...is called a Multinet."
>
> I know that this was just a quote from textbook material and I'm not blaming
> you for it, I've have seen it for a long time,...even back during my Cisco
> training,...but the material does need to be corrected to make it more
> clear. I see the rusult of it often in the newsgroups a couple times a
> month where someone has configured Superscopes for a normal muli-subnet LAN
> and then can't figure out why the workstation gets the same IP# over and
> over even when it is moved to a different subnet. Remember that a
> Superscope makes all the Scopes within it behave as a single unit, therfore
> a Client can receive any address from any scope at any time no matter where
> it is physically located.
>
> True multi-nets and the use of Superscope that go along with them are very
> very rare,...probably because they are so confusing and it is so very very
> easy to avoid them in the first place.
>
> --
> Phillip Windell [MCP, MVP, CCNA]
> www.wandtv.com
> -----------------------------------------------------
> Understanding the ISA 2004 Access Rule Processing
> http://www.isaserver.org/articles/ISA2004_AccessRules.html
>
> Microsoft Internet Security & Acceleration Server: Guidance
> http://www.microsoft.com/isaserver/techinfo/Guidance/2004.asp
> http://www.microsoft.com/isaserver/techinfo/Guidance/2000.asp
>
> Microsoft Internet Security & Acceleration Server: Partners
> http://www.microsoft.com/isaserver/partners/default.asp
> -----------------------------------------------------

.

Relevant Pages

  • Re: DHCP Superscopes
    ... segment for those rare times ... Typically this occurs because the IP Subnet only ... >>>> We have recently started using DHCP Superscopes. ...
    (microsoft.public.windows.server.networking)
  • Re: DHCP & Subnets
    ... Our company reserv 3 floor in our building. ... So I need create new IP subnet. ... If you want to put certain areas on one segment and others on ... You don't use Superscopes for normal subnetting,...you use Superscopes ...
    (microsoft.public.windows.server.networking)
  • Re: DHCP & Subnets
    ... So then what do I do to assign specific subnets to these machines? ... You don't subnet with DHCP ... You don't use Superscopes for normal subnetting,...you use Superscopes for ... Phillip Windell ...
    (microsoft.public.windows.server.networking)
  • Re: DHCP Reservations
    ... That is not what Superscopes are for. ... If I add a reservation in then I can give it a> fixed ip address everytime but if I add a second> reservation in it always gives out the first reservation> it finds regardless of whether it's in the correct subnet> or not. ...
    (microsoft.public.win2000.networking)