Enabling IPv4SG on an interface

About the IPv4SG feature on an interface

When you enable IPSG on an interface, the static and dynamic IPSG are both enabled.

Restrictions and guidelines

To implement dynamic IPv4SG, make sure 802.1X, ARP snooping, DHCP snooping, DHCP relay agent, or DHCP server operates correctly on the network.

Procedure

  1. Enter system view.

    system-view

  2. Enter interface view.

    interface interface-type interface-number

    The following interface types are supported:

    • Layer 2 Ethernet interface.

    • Layer 3 Ethernet interface.

    • VLAN interface.

  3. Enable the IPv4SG feature.

    ip verify source { ip-address | ip-address mac-address | mac-address }

    By default, the IPv4SG feature is disabled on an interface.