Dhcp Snooping Configuration Examples; Dhcp Snooping Configuration Example; Dhcp Snooping Option 82 Support Configuration Example - HP 10500 Series Configuration Manual

DHCP snooping configuration examples

DHCP snooping configuration example

Network requirements
As shown in
The port connected to the DHCP server can forward responses from the server, but the other ports
•
cannot forward responses from any DHCP server.
• Configure Switch B to record clients' IP-MAC bindings by reading DHCP-REQUEST messages and
DHCP-ACK messages received from the trusted port.
Figure 35 Network diagram
Configuration procedure
# Enable DHCP snooping.
<SwitchB> system-view
[SwitchB] dhcp-snooping
# Specify GigabitEthernet 1/0/1 as trusted.
[SwitchB] interface GigabitEthernet 1/0/1
[SwitchB-GigabitEthernet1/0/1] dhcp-snooping trust
[SwitchB-GigabitEthernet1/0/1] quit

DHCP snooping Option 82 support configuration example

Network requirements
As shown in
DHCP server (Switch A).
• The circuit ID sub-option is company001.
The remote ID sub-option is device001.
•
On GigabitEthernet 1/0/3, configure the padding format as verbose, access node identifier as
•
sysname, and code type as ascii for Option 82.
Configuration procedure
# Enable DHCP snooping.
Figure 35, perform configurations on Switch B to achieve the following purposes:
Figure 35, Switch B replaces Option 82 in DHCP requests before forwarding them to the
82