Hi,
Using a helper-address on the interfaces where you don't have the DHCP server. The
helper-address points to the DHCP server. This can even happen across a WAN.
Teunis,
Hobart, Tasmania
Australia
On Thursday, March 01, 2001 at 12:09:31 PM, W. Alan Robertson wrote:
> Chris,
>
> While that would certainly work, it's not the most elegant way of meeting your
> requirement.
>
> DHCP servers support different Scopes (think ranges of addresses, or different
> subnets). When you enable the 'ip helper address' on an interface supporting a
> network where no DHCP or BOOTP server resides, the broadcast DHCP request is
> repackaged as a unicast message with the destination address you provide in the
> helper address statement. The 'source ip address' field of that unicast packet
> is the IP address of the router inteface from which the request originated, and
> the DHCP uses it to determine which Scope (Pool of addresses, or Subnet range)
> to allocate the new address from.
>
> The DHCP forwards the DHCP response back to the router that handled the request,
> and the router dumps it back onto the segment from which it came.
>
> Presumably, the next step is the limit network access based on user class
> (Administrative, Regular, Etc.). Simply build your access-lists to suit your
> needs.
>
> Hope this helps,
>
> Alan
>
> ----- Original Message -----
> From: "Chris Sees" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Thursday, March 01, 2001 11:15 AM
> Subject: VLANS and DHCP
>
>
> > HI,
> > Does anyone have suggestions for implementing DHCP in an enterprise
> > environment that wants to use VLAN's (for administratve, regular users,
> > etc. - for security purposes) and DHCP at the same time? It seems like you
> > would need multiple DHCP servers (carefully placed). ?
> > Thanks in advance.
> >
> >
> > Chris
> >
> >
> > _________________________________
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