Chapter 9 High Availability for FortiOS 5.0 : HA with FortiGate-VM and third-party products
  
HA with FortiGate-VM and third-party products
This chapter provides information about operating FortiOS VM cluster and operating FortiGate clusters with third party products such as layer-2 and layer-3 switches. This chapter describes:
FortiGate-VM for VMware HA configuration
FortiGate VM for Hyper-V HA configuration
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