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Example active-passive redundant link configuration
Example configuration for the FortiSwitch-5003A board in slot 2
42
The FortiSwitch-5003A board in slot 2 requires the same configuration settings as
the FortiSwitch-5003A board in slot 1 except that the priority values of both
spanning tree instances is set higher for the FortiSwitch-5003A board in slot 2:
config switch fabric-channel stp instance
edit 3
set priority 40960
set vlan-range 103-104
next
edit 5
set priority 40960
set vlan-range 105-106
end
Note: The priority values of both spanning tree instances should be higher on the
FortiSwitch-5003A board in slot 2 than on the board in slot 1 so that spanning tree directs
all traffic to the board in slot 1.
Verifying the MSTP configuration of the FortiSwitch-5003A
board in slot 2
Enter diagnose spanning-tree mst-config fabric-channel to display
the FortiSwitch-5003A fabric channel MSTP configuration.
diagnose spanning-tree mst-config fabric-channel
MST Configuration Identification Information
Unit: Fabric
MST Configuration Name: tree_1
MST Configuration Revision: 1
MST Configuration Digest: 86a2448b88448fb7dbe0f8680e2d0fb5
Instance ID
____________________________________________________
3
103 104
5
105 106
To display the configuration of spanning tree instance 5 for the FortiSwitch-5003A
F7 interface enter:
diagnose spanning-tree instance fabric-channel 5 f7
MST Instance Information, Fabric-Channel:
Instance ID : 5
Mapped VLANs : 105 106
Switch Priority : 40960
Regional Root MAC Address :
Regional Root Priority:
Regional Root Path Cost:
Regional Root Port:
Remaining Hops:
Port
Speed
__________
______
f7
10G
FortiSwitch-5003A and 5003 Fabric and Base Backplane Communications Guide
FortiGate-5140 fabric backplane communication
Mapped VLANs
00306407a1da
40960
0
slot-2/1
20
Cost
Priority
Role
________ _________ __________ __________
2000
128
DESIGNATED FORWARDING
State
01-30000-85717-20081205
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