Dhcp snooping configuration example, Network requirements, Configuration procedure – H3C Technologies H3C WX3000E Series Wireless Switches User Manual

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Select the Enable option for DHCP Relay, and select 1 for Server Group ID.

Click Apply.

Figure 176 Enabling the DHCP relay agent on an interface and correlate it with a server group

DHCP snooping configuration example

Network requirements

As shown in

Figure 177

, a DHCP snooping device (AC) is connected to a DHCP server through

GigabitEthernet 1/0/2, and to an AP through GigabitEthernet 1/0/1.

•

Enable DHCP snooping on the AC and configure DHCP snooping to support Option 82. Configure
the handling strategy for DHCP requests containing Option 82 as replace.

•

Enable GigabitEthernet 1/0/2 to forward DHCP server responses; disable GigabitEthernet 1/0/1
from forwarding DHCP server responses.

•

Configure the AC to record clients' IP-to-MAC address bindings in DHCP-REQUEST messages and
DHCP-ACK messages received from a trusted port.

Figure 177 Network diagram

Configuration procedure

Enable DHCP snooping:

Select Network > DHCP from the navigation tree.

Click the DHCP Snooping tab.

Select the Enable option for DHCP Snooping.

This manual is related to the following products:

H3C WX6000 Series Access Controllers H3C WX5000 Series Access Controllers H3C LSWM1WCM10 Access Controller Module H3C LSWM1WCM20 Access Controller Module H3C LSQM1WCMB0 Access Controller Module H3C LSRM1WCM2A1 Access Controller Module H3C LSBM1WCM2A0 Access Controller Module