1-9
To do... Use the command... Remarks
Display the summary
information of all aggregation
groups
display link-aggregation
summary
Available in any view
Display detailed information of
aggregation groups
display link-aggregation
verbose [ bridge-aggregation
[ interface-number ] ]
Available in any view
Clear the LACP statistics of
ports
reset lacp statistics [ interface
interface-type interface-number
[ to interface-type
interface-number ] ]
Available in user view
Clear the statistics of the
specified aggregate interfaces
reset counters interface
[ bridge-aggregation
[ interface-number ] ]
Available in user view
Link Aggregation Configuration Examples
In an aggregation group, the port to be a selected port must be the same as the reference port in port
attributes, and class-two configurations. To keep these configurations consistent, you should configure
the port manually.
z Reference port: Select a port as the reference port from the ports that are in up state and with the
same class-two configurations as the corresponding aggregate interface. The selection order is as
follows: full duplex/high speed, full duplex/low speed, half duplex/high speed, and half duplex/low
speed, with full duplex/high speed being the most preferred. If two ports with the same duplex
mode/speed pair are present, the one with the lower port number wins out.
z Port attribute configuration includes the configuration of the port rate, duplex mode, and link state.
z For details about class-two configurations, see section Class-two configurations.
Layer 2 Static Aggregation Configuration Example
Network requirements
As shown in Figure 1-1, Device A and Device B are connected through their respective Layer 2 Ethernet
ports GigabitEthernet 1/0/1 to GigabitEthernet 1/0/3.
Aggregate the ports on each device to form a static link aggregation group, thus balancing traffic across
the member ports.
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