810 CHAPTER 57: DHCP SERVER CONFIGURATION
Network diagram
Figure 246 DHCP network diagram
Configuration procedure
Specify IP addresses for VLAN interfaces (omitted).
Configure the DHCP server
# Enable DHCP.
<SwitchA> system-view
[SwitchA] dhcp enable
# Exclude IP addresses (addresses of the DNS server, WINS server and gateways).
[SwitchA] dhcp server forbidden-ip 10.1.1.2
[SwitchA] dhcp server forbidden-ip 10.1.1.4
[SwitchA] dhcp server forbidden-ip 10.1.1.126
[SwitchA] dhcp server forbidden-ip 10.1.1.254
# Configure DHCP address pool 0 (address range, client domain name suffix, and
DNS server address).
[SwitchA] dhcp server ip-pool 0
[SwitchA-dhcp-pool-0] network 10.1.1.0 mask 255.255.255.0
[SwitchA-dhcp-pool-0] domain-name aabbcc.com
[SwitchA-dhcp-pool-0] dns-list 10.1.1.2
[SwitchA-dhcp-pool-0] quit
# Configure DHCP address pool 1 (address range, gateway, lease duration, and
WINS server).
[SwitchA] dhcp server ip-pool 1
[SwitchA-dhcp-pool-1] network 10.1.1.0 mask 255.255.255.128
[SwitchA-dhcp-pool-1] gateway-list 10.1.1.126
[SwitchA-dhcp-pool-1] expired day 10 hour 12
[SwitchA-dhcp-pool-2] nbns-list 10.1.1.4
[SwitchA-dhcp-pool-1] quit
# Configure DHCP address pool 2 (address range, gateway, and lease duration).
WINS server
10.1.1.4/25
Client
Switch B
Client
DNS server
10.1.1.2/25
Switch A
DHCP server
Vlan-int2
10.1.1.129/25
Vlan-int1
10.1.1.1/25
Client Client
Client Client
Vlan-int1
Gateway BGateway A
10.1.1.126/25 10.1.1.254/25
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