MCLAG peer groups

A multichassis LAG (MCLAG) provides node-level redundancy by grouping two FortiSwitch models together so that they appear as a single switch on the network. If either switch fails, the MCLAG continues to function without any interruption, increasing network resiliency and eliminating the delays associated with the Spanning Tree Protocol (STP).

This section covers the following topics:

• MCLAG requirements
• Transitioning from a FortiLink split interface to a FortiLink MCLAG
• Deploying MCLAG topologies