Operation Manual - Network Protocol
Quidway S3500 Series Ethernet Switches Chapter 4 DHCP Relay Configuration
Huawei Technologies Proprietary
4-3
4.2.2 Configure Corresponding DHCP Server Group of the VLAN Interface
Perform the following configuration in VLAN interface view.
Table 4-2 Configure/Delete the corresponding DHCP Server group of VLAN interface
Operation Command
Configure Corresponding DHCP Server
Group of the VLAN Interface
dhcp-server groupNo
Delete the corresponding DHCP Server
group of the VLAN interface
undo dhcp-server
When associating a VLAN interface to a new DHCP Server group, you can configure
the association without disassociating it from the previous group.
By default, no VLAN interface corresponds to any DHCP Server group.
4.2.3 Configure the Address Table Entry
To make the valid user with fixed IP address in the VLAN configured with DHCP Relay
pass the address validity check of DHCP security feature, you must add a static
address entry which indicates the correspondence between an IP address and an MAC
address.
If another illegal user configures a static IP address which is in conflict with the fixed IP
address of a valid user, the switch with DHCP Relay function enabled can identify the
valid user and reject the illegal user's request for binding the IP address with the MAC
address.
Perform the following configuration in System view.
Table 4-3 Configure/Delete the address table entry
Operation Command
Add an entry to the address table
dhcp-security static ip_address
mac_address
Delete an entry from the address table
undo dhcp-security ip_address
4.2.4 Enable/Disable DHCP security features
Enable DHCP security features will start address check on VLAN interface while
disable DHCP security features will cancel address check.
Perform the following configuration in VLAN interface view.
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