ip dhcp packet strict-validation bridge

Use this command to enable strict validation of DHCPClosed Dynamic Host Configuration Protocol packets. Strict validation checks that the DHCP option field in the packet is valid including the magic cookie in the first four bytes of the options field. The device drops the packet if validation fails.

Use the no form of this command to disable strict validation.

This command enables both the DHCPv4 and DHCPv6 functionality.

Command Syntax

Copy 
ip dhcp packet strict-validation bridge <1-32>
no ip dhcp packet strict-validation bridge <1-32>
        

Parameters

<1-32>

Bridge number

Default

By default, strict validation of DHCP packets is disabled.

Command Mode

Configure mode

Applicability

This command was introduced in OcNOS version 5.0.

Example

Copy 
configure terminal
(config)#bridge 1 protocol mstp
(config)#ip dhcp snooping bridge 1
(config)#ip dhcp packet strict-validation bridge 1