3Com Switch 4800G 24-Port Configuration Manual page 810

810 C 57: DHCP S
HAPTER
C
ERVER ONFIGURATION
Network diagram
Figure 246 DHCP network diagram
Client
10 .1 .1.4/25
10.1.1.126/25
Gateway A
10.1.1.2 /25
DNS server
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
Vlan -int1 Vlan-int2
10 .1.1.1/25 10.1.1 .129 /25
Switch A
DHCP server
Vlan -int1
Switch B
Client
Client Client
10.1.1.254 /25
Client Client
Gateway B