Displaying and Maintaining Link Aggregation 169
Configuring a Service
Loop Group
Follow these steps to configure a service loop group:
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■ You can remove any service loop group except those that are currently 
referenced by modules.
■ For a service loop group containing only one port, the only way to remove the 
port from it is to remove the service loop group.
Entering Aggregation
Port Group View
In aggregation port group view, you can make configuration for all the member 
ports in a link aggregation group at one time.
Follow these steps to enter aggregation port group view:
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CAUTION: In aggregation port group view, you can configure aggregation related 
settings such as STP, VLAN, QoS, GVRP, Q-in-Q, BPDU tunnel, MAC address 
learning, but cannot add or remove member ports.
Displaying and 
Maintaining Link 
Aggregation
Configure a name for a link 
aggregation group 
link-aggregation group 
agg-id description agg-name 
Required
None is configured by default.
To do…  Use the command…  Remarks 
To do…  Use the command…  Remarks 
Enter system view  system-view -- 
Create a manual aggregation group  link-aggregation group agg-id mode 
manual 
Required 
Specify the aggregation group as a 
service loop group that is of specific type 
link-aggregation group agg-id 
service-type tunnel 
Required 
Enter Ethernet port view  interface interface-type 
interface-number 
-- 
Add the Ethernet port to the 
aggregation group 
port link-aggregation group agg-id Required
To do…  Use the command…  Remarks 
Enter system view  system-view -- 
Enter aggregation port group view  port-group aggregation agg-id --
To do…  Use the command…  Remarks 
Display the local system ID  display lacp system-id  Available in any view 
Display detailed information about 
link aggregation for the specified 
port or ports 
display link-aggregation 
interface interface-type 
interface-number [ to 
interface-type interface-number ] 
Available in any view 
Display information about the 
specified or all service loop groups 
display link-aggregation 
service-type [ agg-id ] 
Available in any view 
Display summaries for all link 
aggregation groups 
display link-aggregation 
summary 
Available in any view