User Manual

24-Port and 48-Port Gigabit Ethernet PoE+ Smart Switches with 4 SFP Ports
Configure System Information User Manual134
7. From the Interface menu, select the interface on which the DHCP client is authorized.
8. In the MAC Address field, specify the MAC address for the binding to be added.
This is the key to the binding database.
9. From the VLAN ID menu, select the ID of the VLAN the client is authorized to use.
10. In the IP Address field, specify the IP address of the client.
11. Click the Add button.
The DHCP snooping binding entry is added to the database.
The Dynamic Binding Configuration table shows information about the DHCP bindings that
were learned on each interface on which DHCP snooping is enabled.
The following table
describes the dynamic bindings information.
Table 26. DHCP Dynamic Configuration information
Field Description
Interface The interface on which the DHCP client message was received.
MAC Address The MAC address associated with the DHCP client that sent the message. This is the
key to the binding database.
VLAN ID The VLAN ID of the client interface.
IP Address The IP address assigned to the client by the DHCP server.
Lease Time The remaining IP address lease time for the client.
Configure DHCP snooping persistent settings
You can configure the persistent location of the DHCP snooping bindings database. The
bindings database can be stored locally on the device or on a remote system somewhere
else in the network. The device must be able to reach the IP address of the remote system to
send bindings to a remote database.