Link Aggregation Control Protocol (LACP) | 605
LACP Configuration Commands
If aggregated ports are configured with compatible LACP modes (Off, Active, Passive), LACP can
automatically link them, as defined in IEEE 802.3, Section 43. The following commands configure LACP:
LACP Configuration Tasks
The tasks covered in this section are:
• Create a LAG
• Configure the LAG interfaces as dynamic
• Set the LACP long timeout
• Monitor and Debugging LACP
• Configure Shared LAG State Tracking
Create a LAG
To create a dynamic port channel (LAG), define the LAG and then the LAG interfaces. Use the interface
port-channel and switchport commands, as shown in the following example, which uses the example of
LAG 32:
FTOS(conf)#interface port-channel 32
FTOS(conf-if-po-32)#no shutdown
FTOS(conf-if-po-32)#switchport
Command Syntax Command Mode Purpose
[no] lacp system-priority
priority-value
CONFIGURATION Configure the system priority.
Range: 1– 65535
(the higher the number, the lower the priority)
Default: 32768
[no] port-channel-protocol lacp INTERFACE Enable or disable LACP on any LAN port:
• Default is “LACP disabled”
• This command creates a new context.
[no] port-channel number mode
[active | passive | off]
LACP Configure LACP mode.
• Default is “LACP active”
• number cannot statically contain any links
[no] lacp port-priority priority-value LACP Configure port priority.
• Ranges: 1 – 65535
(the higher the number, the lower the priority)
• Default: 32768
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