2-29[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, including address range, domain name suffix of the clients, anddomain 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 leasetime.[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 10.1.1.254DHCP Server with Option 184 Support Configuration ExampleNetwork requirementsA 3COM VCX device operating as a DHCP client requests the DHCP server for all sub-options of Option184. An H3C series switch operates as the DHCP server. The Option 184 support function is configuredfor a global DHCP address pool. The sub-options of Option 184 are as follows:z NCP-IP: 3.3.3.3z AS-IP: 2.2.2.2z Voice VLAN configuration: voice VLAN: enabled; voice VLAN ID: 3z Fail-over routing: IP address: 1.1.1.1; dialer string: 99*
