disable ip-security arp learning learn-from-dhcp
Description
Disables DHCP secured ARP learning for the specified VLAN 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_nameTo 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.