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Predefined user roles
network-admin
Usage guidelines
ND MAD uses extended NS packets of the IPv6 ND protocol to detect multi-active collisions.
You can use ND MAD with BFD MAD and ARP MAD, but not with LACP MAD.
Do not configure ND MAD on VLAN-interface 1.
You can set up ND MAD links between neighbor IRF member devices, or between each IRF member
device and an intermediate device.
If one IRF fabric uses another IRF fabric as the intermediate device for ND MAD, you must assign the two
IRF fabrics different domain IDs for correct split detection. False detection causes IRF split.
When you use the
mad nd enable
command, the system prompts you to enter a domain ID. If you do not
want to change the current domain ID, press
enter
at the prompt.
NOTE:
An IRF fabric has only one IRF domain ID. You can change the IRF domain ID by using the following
commands:
irf domain
,
mad enable
,
mad arp enable
, or
mad nd enable
. The IRF domain IDs configured
by using these commands overwrite each other.
Examples
# Enable ND MAD on VLAN-interface 3.
<Sysname> system-view
[Sysname] interface vlan-interface 3
[Sysname-Vlan-interface3] mad nd enable
You need to assign a domain ID (range: 0-4294967295)
[Current domain is: 0]: 1
The assigned domain ID is: 1
Related commands
irf domain
mad restore
Use
mad restore
to restore the normal MAD state of the IRF fabric in Recovery state.
Syntax
mad restore
Views
System view
Predefined user roles
network-admin
Usage guidelines
If the active IRF fabric has failed to work before the IRF split problem is fixed, use this command to restore
an IRF fabric in Recovery state. The recovered IRF fabric will take over the active IRF fabric role.
