Example: Configuring A Remote Device To Import Dhcp Server Options From A Central Dhcp Server - Cisco Catalyst 4500 Series Software Configuration Manual

Configuration Examples for the Cisco IOS DHCP Server
duplex half
!
interface Ethernet1/2
shutdown
duplex half
!
interface Ethernet1/3
no ip address
shutdown
duplex half
!
interface FastEthernet2/0
no ip address
shutdown
duplex half
!
ip route 172.16.1.1 255.255.255.255 e1/0
no ip http server
no ip pim bidir-enable
!
call rsvp-sync
!
mgcp profile default
!
dial-peer cor custom
!
gatekeeper
shutdown
!
line con 0
line aux 0
line vty 0 4
!
end
Example: Configuring a Remote Device to Import DHCP Server Options from a
Central DHCP Server
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•
Example: Importing DHCP Options
The following example shows how to configure a remote and central server to support the importing of
DHCP options. The central server is configured to automatically update DHCP options, such as DNS
and WINS addresses, within the DHCP pools. In response to a DHCP request from a local client behind
CPE equipment, the remote server can request or "import" these option parameters from the centralized
server. See the figure below for a diagram of the network topology.
Central Device
!do not assign this range to DHCP clients
ip dhcp-excluded address 10.0.0.1 10.0.0.5
!
ip dhcp pool central
! Specifies network number and mask for DHCP clients
network 10.0.0.0 255.255.255.0
! Specifies the domain name for the client
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
59-30
Example: Importing DHCP Options, page 59-30
Example: Configuring the Remote Device to Import DHCP Options, page 59-31
Chapter 59 Configuring the Cisco IOS DHCP Server