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The maximum number of Selected ports allowed in an aggregation group is limited by one of the
following values, whichever is smaller:
•
Maximum number configured by using the link-aggregation selected-port maximum
command.
•
Hardware limitation.
You can implement backup between two ports by performing the following tasks:
•
Assigning two ports to an aggregation group.
•
Setting the maximum number of Selected ports to 1 for the aggregation group.
Then, only one Selected port is allowed in the aggregation group at any point in time, while the
Unselected port acts as a backup port.
Examples
# Set the maximum number of Selected ports to 5 for Layer 2 aggregation group 1.
<Sysname> system-view
[Sysname] interface bridge-aggregation 1
[Sysname-Bridge-Aggregation1] link-aggregation selected-port maximum 5
Related commands
•
link-aggregation irf-enhanced
•
link-aggregation selected-port minimum
link-aggregation selected-port minimum
Use link-aggregation selected-port minimum to set the minimum number of Selected ports in the
aggregation group.
Use undo link-aggregation selected-port minimum to restore the default.
Syntax
link-aggregation selected-port minimum number
undo link-aggregation selected-port minimum
Default
The minimum number of Selected ports in an aggregation group is not specified.
Views
Layer 2 aggregate interface view
Predefined user roles
network-admin
Parameters
number: Specifies the minimum number of Selected ports in an aggregation group required to bring
up the aggregate interface. The value range for this argument is 1 to 32.
Usage guidelines
Executing this command might cause all member ports in the aggregation group to become
Unselected ports.
The minimum number of Selected ports allowed in the aggregation groups must be the same for the
local and peer ends.
Examples
# Set the minimum number of Selected ports to 3 for in Layer 2 aggregation group 1.
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