Chapter 9 High Availability : HA with third-party products
  
HA with third-party products
This chapter provides information about operating FortiGate clusters with third party products such as layer-2 and layer-3 switches. This chapter describes:
Troubleshooting layer-2 switches
Failover issues with layer-3 switches
Changing spanning tree protocol settings for some switches
Failover and attached network equipment
Ethertype conflicts with third-party switches
LACP, 802.3ad aggregation and third-party switches