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Related commands
mad bfd enable
mad nd enable
Use mad nd enable to enable ND MAD.
Use
undo mad nd enable to disable ND MAD.
Syntax
mad nd enable
undo mad nd enable
Default
ND MAD is disabled.
Views
VLAN interface view
Management Ethernet interface view
Predefined user roles
network-admin
Usage guidelines
Do not configure ND MAD together with LACP MAD or BFD MAD, because they handle collisions
differently.
When you configure ND MAD on a VLAN interface, follow these restrictions and guidelines:
Restrictions and guidelines
ND MAD VLAN
• Do not enable ND MAD on VLAN-interface 1.
• If you are using an intermediate device, perform the following tasks:
On the IRF fabric and the intermediate device, create a VLAN for ND
MAD.
On the IRF fabric and the intermediate device, assign the ports of ND
MAD links to the ND MAD VLAN.
On the IRF fabric, create a VLAN interface for the ND MAD VLAN.
• If no
intermediate device is used, connect each IRF member device to all
other member devices.
• As a best practice, do not use the ND MAD VLAN for any other
purposes.
ND MAD and feature
configuration
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 ND 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.
When you configure ND MAD on a management Ethernet port, follow these restrictions and
guidelines:
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