Mad Arp Enable - H3C IE4300 Command Reference Manual

mad arp enable

Use
mad arp enable
Use
undo mad arp enable
Syntax
mad arp enable
undo mad arp enable
Default
ARP MAD is disabled.
Views
VLAN interface view
Predefined user roles
network-admin
Usage guidelines
Do not configure ARP MAD together with LACP MAD or BFD MAD, because they handle collisions
differently.
When you configure ARP MAD on a VLAN interface, follow these restrictions and guidelines:
Category
ARP MAD VLAN
ARP MAD and feature
configuration
When you use the
do not want to change the current domain ID, press enter at the prompt.
An IRF fabric has only one IRF domain ID. You can change the IRF domain ID by using the following
commands:
IDs configured by using these commands overwrite each other.
Examples
# Enable ARP MAD on VLAN-interface 3.
<Sysname> system-view
to enable ARP MAD.
to disable ARP MAD.
Restrictions and guidelines
•
Do not enable ARP MAD on VLAN-interface 1.
•
If you are using an intermediate device, perform the following tasks:



•
As a best practice, do not use the ARP MAD VLAN for any other
purposes.
If an intermediate device is used, make sure the following requirements are
met:
•
Run the spanning tree feature between the IRF fabric and the
intermediate device to ensure that there is only one ARP MAD link in
forwarding state. For more information about the spanning tree feature
and its configuration, see Layer 2—LAN Switching Configuration Guide.
•
Enable the IRF fabric to change its bridge MAC address as soon as the
address owner leaves.
•
If the intermediate device is also an IRF fabric, assign the two IRF fabrics
different domain IDs for correct split detection.
mad arp enable
,
irf domain mad enable
On the IRF fabric and the intermediate device, create a VLAN for
ARP MAD.
On the IRF fabric and the intermediate device, assign the ports of
ARP MAD links to the ARP MAD VLAN.
On the IRF fabric, create a VLAN interface for the ARP MAD VLAN.
command, the system prompts you to enter a domain ID. If you
,
mad arp enable
17
, or . The IRF domain
mad nd enable