21
Default level
3: Manage level
Parameters
None
Description
Use
mad enable
to enable LACP MAD.
Use
undo mad enable
to disable LACP MAD.
By default, LACP MAD is disabled.
LACP MAD uses extended LACP packets for detecting multi-active collisions and requires an intermediate
H3C device that also supports LACP MAD packets.
When you use LACP MAD, follow these guidelines:
•
The intermediate device must be an H3C device that support extended LACP for MAD.
•
If the intermediate device is in an IRF fabric, assign this fabric a different domain ID than the LACP
MAD-enabled fabric to avoid false detection of IRF partition.
•
Use dynamic link aggregation mode. MAD is LACP dependent. Even though LACP MAD can be
configured on both static and dynamic aggregate interfaces, it takes effect only on dynamic
aggregate interfaces.
•
Configure link aggregation settings also on the intermediate device.
Examples
# Enable LACP MAD on Bridge-Aggregation 1, a Layer 2 dynamic aggregate interface.
<Sysname> system-view
[Sysname] interface bridge-aggregation 1
[Sysname-Bridge-Aggregation1] mad enable
# Enable LACP MAD on Route-Aggregation 1, a Layer 3 dynamic aggregate interface.
<Sysname> system-view
[Sysname] interface route-aggregation 1
[Sysname-Route-Aggregation1] mad enable
mad exclude interface
Syntax
mad
exclude
interface
interface-type interface-number
undo mad
exclude interface
interface-type interface-number
View
System view
Default level
3: Manage level
Parameters
interface-type interface-number
: Specifies a port by its type and number.
