2-28 
# Configure DHCP address pool 0, including address range, domain name suffix of the clients, and 
domain name 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, including address range, gateway, WINS server address and lease 
time. 
[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-1] nbns-list 10.1.1.4 
[SwitchA-dhcp-pool-1] quit 
# Configure DHCP address pool 2, including address range, gateway and lease time. 
[SwitchA] dhcp server ip-pool 2 
[SwitchA-dhcp-pool-2] network 10.1.1.128 mask 255.255.255.128 
[SwitchA-dhcp-pool-2] expired day 5 
[SwitchA-dhcp-pool-2] gateway-list 10.1.1.254 
DHCP Server with Option 184 Support Configuration Example 
Network requirements 
A 3COM VCX device operating as a DHCP client requests the DHCP server for all sub-options of Option 
184. A switch operates as the DHCP server. The Option 184 support function is configured for a global 
DHCP address pool. The sub-options of Option 184 are as follows: 
z  NCP-IP: 3.3.3.3 
z  AS-IP: 2.2.2.2 
z  Voice VLAN configuration: voice VLAN: enabled; voice VLAN ID: 3 
z  Fail-over routing: IP address: 1.1.1.1; dialer string: 99*