Fortinet FortiGate-5000 User Manual download pdf (Page 48)

FortiGate-5000 Series Introduction

48 01-30000-83466-20090108

Base backplane gigabit communication FortiGate-5001FA2-LENC security system

• Firewall, intrusion protection (IPS), and antivirus, when there is a reasonable

percentage of P2P packets.

• Firewall and IPSec VPN applications.

The following traffic scenarios should be handled by the normal (or non-

accelerated) FortiGate-5001FA2-LENC interfaces:

• Session oriented traffic when the session lifetime is very short.

• Firewall and antivirus only applications.

Traffic will not be off-loaded to the FortiGate-5001FA2-LENC accelerator

module. The result will be high CPU usage because of the high CPU

requirement for antivirus scanning.

FA2 interfaces and active-active HA performance

FortiOS v3.0 MR4 firmware can also use FA2 acceleration to improve

active-active HA load balancing performance. See the FortiGate HA Overview or

the FortiGate HA Guide for more information.

Base backplane gigabit communication

The FortiGate-5001FA2-LENC port9 and port10 base backplane gigabit interfaces

can be used for HA heartbeat communication between FortiGate-5001FA2-LENC

boards installed in the same or in different FortiGate-5000 chassis. You can also

configure FortiGate-5001FA2-LENC boards to use the base backplane interfaces

for data communication between FortiGate boards. To support base backplane

communications your FortiGate-5140 or 5050 chassis must include one or more

FortiSwitch-5003 boards. FortiSwitch-5003 boards are installed in chassis slots 1

and 2. The FortiGate-5020 chassis supports base backplane communication with

no additions or changes to the chassis.

For information about base backplane communication in FortiGate-5140 and

FortiGate-5050 chassis, see the FortiGate-5000 Base Backplane Communication

Guide. For information about the FortiSwitch-5003 board, see the

FortiSwitch-5003 Guide.

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Fortinet FortiGate-5000 User Manual Page 48