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DHCP snooping user information

2. DHCP snooping user information configuration items

Item Descri

tion

IP Address This field displays the IP address assigned by the DHCP server to the client.

MAC Address This field displays the MAC address of the client.

Type

This field displays the client type, which can be:

 Dynamic: The IP-to-MAC binding is generated dynamically.

 Static: The IP-to-MAC binding is configured manually. Static bindings are not

supported.

Interface Name This field displays the device interface to which the client is connected.

VLAN This field displays the VLAN to which the device belongs.

Remaining Lease Time This field displays the remaining lease time of the IP address.

Return to DHCP snooping configuration task list.

DHCP snooping configuration example

Network requirements

As shown in a, a DHCP snooping device (Switch) is connected to a DHCP server through GigabitEthernet

1/0/1, and to DHCP clients through GigabitEthernet 1/0/2 and GigabitEthernet 1/0/3.

 Enable DHCP snooping on Switch and configure DHCP snooping to support Option 82. Configure the

handling strategy for DHCP requests containing Option 82 as replace.

 Enable GigabitEthernet 1/0/1 to forward DHCP server responses; disable GigabitEthernet 1/0/2

and GigabitEthernet 1/0/3 from forwarding DHCP server responses.

 Configure Switch to record clients’ IP-to-MAC address bindings in DHCP-REQUEST messages and

DHCP-ACK messages received from a trusted port.

HP V1910 User Manual

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