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FortiGate-5140 and 5050 base backplane communication
Heartbeat failover between channels
FortiSwitch-5003A and 5003 Fabric and Base Backplane Communications Guide
01-30000-85717-20081205
Figure 26: FortiGate-5140 inter-chassis HA cluster using both base backplane
heartbeat interfaces (through FortiSwitch-5003A boards in hub/switch
slots 1 and 2)
5140SAP
SERIAL 1
5140
13
11
9
7
5
3
1
2
4
6
FILTER
0
1
2
FA N TRAY
FAN TRAY
Slot 1 inter-chasis heartbeat
Slot 2 inter-chasis heartbeat
To configure your HA cluster with a heartbeat that fails over between the two base
channels, both base backplane interfaces must be enabled and:
•
if priorities are not equal, must have the highest priorities of all heartbeat
interfaces
•
if priorities are equal, be the first interfaces on the indexed heartbeat Interface
list
If you also want to specify which FortiSwitch board is used as the primary or
backup, its priority must be greater than the failover interface, or it must have a
higher position in the heartbeat Interface list. Position in the heartbeat interface list
varies by the model of the FortiGate boards.
You can satisfy these requirements in multiple ways by adjusting interface priority
or by disabling heartbeats over other interfaces. Required steps vary by the model
of your FortiGate boards, and the number and heartbeat interface list position of
other interfaces enabled as HA heartbeat interfaces.
Internal Network
External switch
SERIAL 2
ALARM
8
10
12
14
13
11
9
ETH0 ETH1
ETH0
Service
RESET
STATUS
Hot Swap
1 2
ETH0 ETH1
ETH0
Service
RESET
STATUS
Hot Swap
0
FAN TRAY
FAN TRAY
External switch
External
Network
Base backplane HA configurations
5140SAP
SERIAL 1
SERIAL 2
ALARM
5140
7
5
3
1
2
4
6
8
10
12
14
ETH0 ETH1
ETH0
Service
RESET
STATUS
Hot Swap
1 2
ETH0 ETH1
ETH0
Service
RESET
STATUS
Hot Swap
FILTER
1
2
FAN TRAY
FAN TR AY
71
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