Re: Multi DHCP Scopes across Fiber M.A.N.

Sweet! Thanks for the direction Anthony. I checked out the IP Helper set up
in the routers and it looks like it should be a clean and fairly easy way to
go. I wondered what exactly the IP Helper function was for. Have a great
day.


"Anthony" <anthony.spam@xxxxxxxxxxxxxx> wrote in message
news:eGSGCZe2HHA.4672@xxxxxxxxxxxxxxxxxxxxxxx
Sam,
Set up the scopes on the central DC.
Set an ip helper address on each router to forward the DHCP requests to
the DC. The central DHCP server will respond to requests with an address
in the scope where the request came from.
Anthony
http://www.airdesk.co.uk



"SeriousSam" <Pleasereply@xxxxxxxxxxxxxxxxx> wrote in message
news:ux4$rFe2HHA.4400@xxxxxxxxxxxxxxxxxxxxxxx
Windows 2003 D.C. Server Fully patched.
4 Cisco 1841 routers holding fiberoptic metro area network connections

Main Office: 192.168.100.0/24 DHCP managed by DC
Office 2 192.168.101.0/24 DHCP managed by Cisco router
Office 3 192.168.102.0/24 DHCP managed by Cisco router
Office 4 192.168.103.0/24 DHCP managed by Cisco router

All four locations connected together via fiber optic metro area network
on a private VLAN.


I have a domain controller issuing DHCP at my main location. At each of
the other 3 locations, the Cisco 1841 router at that location is acting
as DHCP server for that local subnet. I would prefer to centralize DHCP
on the domain controller, and still be able to keep my subnet addressing
scheme as is. I know that my routers can function as DHCP relays, but
this is only one of the options I have studied. Im not clear on how to
structure this so that each machines in each office receive an address
that is correct for their location. Some articles have inferred that RRAS
would be necessary as well. If someone can give a basic illustration of
how this would work and which network management applications have to be
in the loop, i can go from there. TIA for any advice or informative
articles.





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