ip dhcp snooping verify mac-address

Use this command to enable MAC address verification. If the device receives a DHCPClosed Dynamic Host Configuration Protocol request packet on an untrusted interface and the source MAC address and the DHCP clientClosed A DHCP client is a hardware device or software that uses DHCP to get the network configuration information from a DHCP Server.     VRF: VRF creates a logically isolated routing table within a single physical network device. Each VRF instance works as an independent routing instance that enables separate network traffic, maintains different routing tables, and provides network isolation. hardware address do not match, the device drops the packet.

Use the no form of this command to disable address verification.

This command enables both the DHCPv4 and DHCPv6 functionality.

Command Syntax

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ip dhcp snooping verify mac-address bridge <1-32>
no ip dhcp snooping verify mac-address bridge <1-32>

Parameters

<1-32>

Bridge number

Default

By default MAC address verification is disabled.

Command Mode

Configure mode

Applicability

This command was introduced in OcNOS version 5.0.

Example

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configure terminal
(config)# bridge 1 protocol mstp
(config)#ip dhcp snooping bridge 1
(config)#ip dhcp snooping verify mac-address bridge 1