Dhcp Snooping Configuration Example; Network Requirements - HP 1910 User Manual

Figure 299 DHCP snooping user information
Table 102 Field description
Field
IP Address
MAC Address
Type
Interface Name
VLAN
Remaining Lease Time

DHCP snooping configuration example

Network requirements

As shown in
GigabitEthernet 1/0/1, and to DHCP clients through GigabitEthernet 1/0/2 and GigabitEthernet
1/0/3.
• Enable DHCP snooping on Switch B 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 B to record clients' IP-to-MAC address bindings in DHCP-REQUEST messages and
•
DHCP-ACK messages received from a trusted port.
Description
Displays the IP address assigned by the DHCP server to the client.
Displays the MAC address of the client.
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. Currently, static bindings
are not supported.
Displays the device interface to which the client is connected.
Displays the VLAN to which the device belongs.
Displays the remaining lease time of the IP address.
Figure 300, a DHCP snooping device (Switch B) is connected to a DHCP server through
290