Yes, The DHCP server will check the IP address of the
interface on which you have configured the IP Helper
address command. So make pools on the DHCP server
accordingly. eg: Router's interface 192.168.1.1/16
Server' pool 192.168.0.1-192.168.255.254 wil work.
Muhammad Khalilullah
CCNP, MCSE
--- "Jason J. Roysdon" wrote:
> 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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