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XG2000 series User's Guide
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All Rights Reserved, Copyright (C) PFU LIMITED 2009
4.4.1 Configuring Link Aggregation
Either static or dynamic (also known as LACP) configuration can be selected for Link Aggregation.
z Static configuration
Configures aggregation groups statically.
z LACP
Configures link aggregation using Link Aggregation Control Protocol (LACP). The LACP is a
switch-to-switch control protocol that enables dynamic configuration of aggregation groups
and is standardized by the IEEE802.3ad. The LACP facilitates load balancing across the
individual links aggregated between the devices connected.
Either "active" or "passive" LACP mode can be selected.
− active
The device starts LACP negotiation. Since the active mode allows the reception of LACP
control frames, it is possible to direct the device in "active" mode.
− passive
The device responds to LACP control frames but does not start LACP negotiation.
To configure static link aggregation, carry out the following procedure in the administrator EXEC mode.
Command Task
xg# configure terminal
Switch to global configuration mode.
xg(config)# link-aggregation agg-port <1-10>
protocol none port <1-20> <1-20>
Assign a number to the aggregation group to be created
(agg-port) and the port numbers assigned to the link
aggregation.
Specify "none" for static configuration.
xg(config)# interface agg-port <1-10>
To change the setting of the aggregation group created,
switch to the interface edit mode for the aggregation
group and specify the "interface agg-port" requiring
change.
The prompt changes to "config-agg".
xg(config-agg)# port-vlan-id vlan 2
(Optional)
Change the setting of the aggregation group as
required. In this example, default VLAN ID is set to 2.
xg(config-agg)# exit
Exit to global configuration mode.
xg(config)# exit
Exit to administrator EXEC mode.
To configure LACP link aggregation, carry out the following procedure in the administrator EXEC mode.
Command Task
xg# configure terminal
Switch to global configuration mode.
xg(config)# link-aggregation agg-port <1-10>
protocol lacp lacp-mode {active | passive }
port <1-20> <1-20>
Assign a number to the aggregation group to be created
(agg-port) and the port numbers assigned to the link
aggregation.
Specify "lacp" for LACP link aggregation. Specify the
desired negotiation operational mode in "lacp-mode".
xg(config)# interface agg-port <1-10>
To change the setting of the aggregation group created,
switch to the interface edit mode for the aggregation
group and specify the "interface agg-port" requiring
change.
The prompt changes to "config-agg".
xg(config-agg)# port-vlan-id vlan 2
(Optional)
Change the settings of the aggregation group as
required. In this example, default VLAN ID is set to 2.
xg(config-agg)# exit
Exit to global configuration mode.
xg(config)# exit
Exit to administrator EXEC mode.