Yup, you got it. Just set up the extra scope(s) for the subnet(s) you have
the ip helper-address enabled port(s) on. The DHCP server sees the source
address (or perhaps network address/mask, I'm not sure the down and dirty
details), and sends an appropriate DHCP address from the scope that fits
that subnet.
--
Jason Roysdon, CCNP+Security/CCDP, MCSE, CNA, Network+, A+
List email: [EMAIL PROTECTED]
Homepage: http://jason.artoo.net/
""Michael Snyder"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I happen to be a ccnp and mcse. I get how ip helper-address works. Also
> work with microsoft dhcp servers.
>
> How do you setup a scope for a remote subnet, and how does the dhcp server
> know how to hand out the correct ip leases for a non-connected subnet?
>
> Does the dhcp server look at the source address of the interface of the
> forwarded helper-address packets? Then match up the correct scope with
the
> router interface ip address?
>
>
>
>
> ""Jason J. Roysdon"" wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Here's a fun link explaining ip helper:
> > http://routergod.com/trinity/
> >
> > --
> > Jason Roysdon, CCNP+Security/CCDP, MCSE, CNA, Network+, A+
> > List email: [EMAIL PROTECTED]
> > Homepage: http://jason.artoo.net/
> >
> >
> >
> > ""Muhammed Khalilullah"" wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > Actually, the IP helper command is placed on the
> > > interface that is recieving the broadcasts. Now you
> > > have to decide which router is supposed to recieve the
> > > broadcasts. But in usual case, Clients usually try to
> > > communcate with the PDC for authentication and other
> > > stuffs. So, i think it would work to configure ip
> > > helper-address w.x.y.z on the ethernet interface of
> > > router 1 only (where w.x.y.z is the ip address of your
> > > PDC, but if you have multiple PDCs then you have to
> > > give the directed-broadcast address and also have to
> > > use ip directed-broadcast command).
> > >
> > > I hope this will work
> > >
> > > Muhammad Khalilullah
> > > CCNP, MCSE
> > >
> > > --- David Eitel wrote:
> > > > I have two routers connected via serial point to
> > > > point link. Router 1 has
> > > > an ethernet segment with PDC info I want forwarded
> > > > to Router 2 ethernet
> > > > segment. No ip directed broadcast is configured on
> > > > all interfaces. I want
> > > > netbios traffic passed from one segment to the
> > > > other. I have placed an IP
> > > > helper-address statement on the ethernet interface
> > > > needing the help. Do I
> > > > need to use the ip helper-address on all interfaces
> > > > to the source ip
> > > > helper-address? Is the ip forward-protocol also
> > > > necessary? Any advice would
> > > > be greatly appreciated
> > > >
> > > > David Eitel
> > > > FAQ, list archives, and subscription info:
> > > > http://www.groupstudy.com/list/cisco.html
> > > > Report misconduct and Nondisclosure violations to
> > > [EMAIL PROTECTED]
> > >
> > >
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