H3C Technologies H3C S5560 Series Switches - Manual (Page 65)

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Figure 18 Network diagram
Configuration procedure
1. Specify IP addresses for interfaces on DHCP server and DHCP relay agent. (Details not shown.)
2. Configure DHCP services:
# Enable DHCP and configure the DHCP server to handle Option 82.
system-view
[SwitchB] dhcp enable
[SwitchB] dhcp server relay information enable
# Enable DHCP server on VLAN-interface10.
[SwitchB] interface vlan-interface 10
[SwitchB-Vlan-interface10] dhcp select server
[SwitchB-Vlan-interface10] quit
# Create DHCP user class tt and configure a match rule to match client requests containing Option
82.
[SwitchB] dhcp class tt
[SwitchB-dhcp-class-tt] if-match rule 1 option 82
[SwitchB-dhcp-class-tt] quit
# Create DHCP address pool aa.
[SwitchB] dhcp server ip-pool aa
# Specify the subnet for dynamic allocation.
[SwitchB-dhcp-pool-aa] network 10.10.1.0 mask 255.255.255.0
# Specify the address range for dynamic allocation.
[SwitchB-dhcp-pool-aa] address range 10.10.1.2 10.10.1.100
# Specify the address range for user class tt.
[SwitchB-dhcp-pool-aa] class tt range 10.10.1.2 10.10.1.10
# Specify the gateway and DNS server address.
[SwitchB-dhcp-pool-aa] gateway-list 10.10.1.254
[SwitchB-dhcp-pool-aa] dns-list 10.10.1.20
Verifying the configuration
# Verify that clients matching the user class can obtain IP addresses in the specified range and all other
configuration parameters from the DHCP server. (Details not shown.)
# Display the IP address assigned by the DHCP server.