Example: Configuring Dhcp User Class - H3C SR8800-F Configuration Manual

[RouterA-dhcp-pool-1] domain-name aabbcc.com
[RouterA-dhcp-pool-1] dns-list 10.1.1.2
[RouterA-dhcp-pool-1] gateway-list 10.1.1.126
[RouterA-dhcp-pool-1] nbns-list 10.1.1.4
[RouterA-dhcp-pool-1] quit
# Configure DHCP address pool 2 to assign IP addresses and other configuration parameters
to clients on subnet 10.1.1.128/25.
[RouterA] dhcp server ip-pool 2
[RouterA-dhcp-pool-2] network 10.1.1.128 mask 255.255.255.128
[RouterA-dhcp-pool-2] expired day 5
[RouterA-dhcp-pool-2] domain-name aabbcc.com
[RouterA-dhcp-pool-2] dns-list 10.1.1.2
[RouterA-dhcp-pool-2] gateway-list 10.1.1.254
[RouterA-dhcp-pool-2] quit
Verifying the configuration
# Verify that clients on subnets 10.1.1.0/25 and 10.1.1.128/25 can obtain correct IP addresses and
all other network parameters from Router A. (Details not shown.)
# On the DHCP server, display the IP addresses assigned to the clients.
[RouterA] display dhcp server ip-in-use
IP address
10.1.1.3
10.1.1.5
10.1.1.130
10.1.1.131
10.1.1.132
10.1.1.133

Example: Configuring DHCP user class

Network configuration
As shown in
clients and the DHCP server (Router B). Enable Router A to handle Option 82 so that it can add
Option 82 in DHCP requests and then forward them to the DHCP server.
Configure the address allocation scheme as follows:
Client identifier/
Hardware address
0031-3865-392e-6262-
3363-2e30-3230-352d-
4745-302f-30
0031-fe65-4203-7e02-
3063-5b30-3230-4702-
620e-712f-5e
3030-3030-2e30-3030-
662e-3030-3033-2d45-
7568-6572-1e
3030-0020-fe02-3020-
7052-0201-2013-1e02
0201-9068-23
2020-1220-1102-3021-
7e52-0211-2025-3402
0201-9068-9a
2021-d012-0202-4221-
8852-0203-2022-55e0
3921-0104-31
Figure 34, the DHCP relay agent (Router A) forwards DHCP packets between DHCP
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