450 ConfiguringSwitching Information
Figure 7-114. DHCP Snooping Configuration
The DHCP Snooping Configuration page contains the following fields:
•
DHCP Snooping Mode
— Enables or disables the DHCP Snooping feature. The default is Disable.
•
MAC Address Validation
— Enables or disables the validation of sender MAC Address for DHCP
Snooping. The default is Enable.
Configuring DHCP Snooping With CLI Commands
For information about the CLI commands that per form this function, refer to the following chapter in
the
CLI Reference Guide
:
• DHCP Snooping Commands
The following table summarizes the equivalent CLI commands for this feature.
DHCP Snooping Interface Configuration
Use the DHCP Snooping Interface Configuration page to configure the DHCP Snooping settings on
individual interfaces.
The hardware rate limits DHCP packets sent to the CPU from untrusted interfaces to 64 Kbps. There is
no hardware rate limiting on trusted interfaces.
Table 7-65. DHCP Snooping Configuration Commands
CLI Command Description
ip dhcp snooping Enables DHCP snooping globally or on a specific VLAN.
ip dhcp snooping verify mac-address Enables the verification of the source MAC address with the client
MAC address in the received DHCP message.
show ip dhcp snooping Displays the DHCP snooping global and per port configuration.