2-30[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 ofOption 184. An H3C series switch operates as the DHCP server. The Option 184 support function isconfigured for 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*Network diagramFigure 2-2 Network diagram for Option 184 support configurationDHCP client DHCP clientDHCP client 3COM VCXDHCP ServerIP:10.1.1.1/24Configuration procedure1) Configure the DHCP client.Configure the 3COM VCX device to operate as a DHCP client and to request for all sub-options ofOption 184. (Configuration process omitted)2) Configure the DHCP server.# Enter system view. system-view# Add GigabitEthernet 1/0/1 to VLAN 2 and configure the IP address of VLAN 2 interface to be10.1.1.1/24.[Sysname] vlan 2[Sysname-vlan2] port GigabitEthernet 1/0/1[Sysname-vlan2] quit[Sysname] interface Vlan-interface 2[Sysname-Vlan-interface2] ip address 10.1.1.1 255.255.255.0[Sysname-Vlan-interface2] quit
