disable ip-security arp learning learn-from-dhcp

disable ip-security arp learning learn-from-dhcp [dynamic vlan | {vlan} vlan_name ports [all | ports]

Description

Disables DHCP secured ARP learning for the specified This command is available on the ExtremeSwitching X440-G2, X450-G2, X460-G2, X465, X590, X620, and X695 series switches. and member ports.

Syntax Description

dynamic Configuration options for dynamically created VLANs.
vlan_name Specifies the name of the VLAN to which this rule applies.
all Specifies all ingress ports.
ports Specifies one or more ingress ports.

Default

By default, DHCP secured ARP learning is disabled.

Usage Guidelines

Use this command to disable DHCP secured ARP learning.

Displaying ARP Information

To display how the switch builds an ARP table and learns MAC addresses for devices on a specific VLAN and associated member ports, use the following command:

show ip-security arp learning {vlan} vlan_name

To view the ARP table, including permanent and DHCP secured ARP entries, use the following command:

show iparp {ip_address | mac | vlanvlan_name | permanent} {vrvr_name}

Example

The following command disables DHCP secured ARP learning on port 1:1 of the VLAN learn:

disable ip-security arp learning learn-from-dhcp vlan learn ports 1:1

History

This command was first available in ExtremeXOS 11.6.

Dynamic VLAN support was added in ExtremeXOS 30.2.

Platform Availability

This command is available on ExtremeSwitching X435, X440-G2, X450-G2, X460-G2, X465, X590, X620, and X695 series switches.