Users Guide

○ If a physical interface is a part of a static LAG, the channel-group id mode {active | passive} command is
rejected on that interface.
○ If a physical interface is a part of a dynamic LAG, the channel-group id command is rejected on that interface.
● You cannot add static and dynamic members to the same LAG.
● There is a difference between the shutdown and no interface port-channel commands:
○ The shutdown command on LAG xyz disables the LAG and retains the user commands.
○ The no interface port-channel channel-number command deletes the specified LAG, including a dynamically
created LAG. The interfaces restore and are ready for configuration.
● A maximum of 128 port channels with up to 32 members per port channel are allowed.
Configuration
LACP is enabled globally by default. You can configure aggregated ports with compatible active and passive LACP modes to
automatically link them.
1. Configure the system priority in CONFIGURATION mode (1 to 65535; the higher the number, the lower the priority; default
32768).
lacp system-priority priority-value
2. Configure the LACP port priority in INTERFACE mode (1 to 65535; the higher the number, the lower the priority; default
32768).
lacp port-priority priority-value
3. Configure the LACP rate in INTERFACE mode (default normal).
lacp rate [fast | normal]
Configure LACP
OS10(config)# lacp system-priority 65535
OS10(config)# interface range ethernet 1/1/7-1/1/8
OS10(conf-range-eth1/1/7-1/1/8)# lacp port-priority 4096
OS10(conf-range-eth1/1/7-1/1/8)# lacp rate fast
Verify LACP configuration
OS10(conf-range-eth1/1/7-1/1/8)# do show running-configuration
...
!
interface ethernet1/1/7
lacp port-priority 4096
lacp rate fast
no shutdown
!
interface ethernet1/1/8
lacp port-priority 4096
lacp rate fast
no shutdown
!
...
Interfaces
Create a LAG, and add LAG member interfaces. By default, all interfaces are in no shutdown and switchport modes.
1. Create a LAG in CONFIGURATION mode.
interface port-channel port-channel number
Layer 2
455