Multi-Chassis Link Aggregation Group (MCLAG)

Multi-Chassis Link Aggregation Group (MCLAG) is a link aggregation technique where two or more links across two switches are aggregated together to form a trunk.

Configuration commands

(switch(config)#) Create the MCLAG interface:

interface lag LAG multi-chassis
no shutdown

(switch(config)#) Associate member links with the MCLAG interface:

interface IFACE
no shutdown
lag LAG

Show commands to validate functionality

(switch(config)#)

show mclag <brief|configuration|status>

(switch(config)#)

interface lag 23 multi-chassis
no shutdown
exit
interface 1/1/10
no shutdown
lag 23
end

Expected results

  • Administrators can configure MCLAG.
  • Administrators can create an MCLAG interface.
  • Administrators can add ports to the MCLAG interface.
  • The output of the show commands is correct.

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