2-30Network 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# Configure VLAN-interface 2 to operate in the DHCP server mode.[Sysname] dhcp select global interface vlan-interface 2# Enter DHCP address pool view.[Sysname] dhcp server ip-pool 123# Configure sub-options of Option 184 in global DHCP address pool view.[Sysname-dhcp-pool-123] network 10.1.1.1 mask 255.255.255.0[Sysname-dhcp-pool-123] voice-config ncp-ip 3.3.3.3[Sysname-dhcp-pool-123] voice-config as-ip 2.2.2.2[Sysname-dhcp-pool-123] voice-config voice-vlan 3 enable[Sysname-dhcp-pool-123] voice-config fail-over 1.1.1.1 99*DHCP Accounting Configuration ExampleNetwork requirementsz The DHCP server connects to a DHCP client and a RADIUS server respectively throughGigabitEthernet 1/0/1 and GigabitEthernet 1/0/2.z GigabitEthernet 1/0/1 belongs to VLAN 2; GigabitEthernet 1/0/2 belongs to VLAN 3.
