Fortinet 5003 Benutzerhandbuch

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

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 

Mapped VLANs

____________________________________________________
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 :  00306407a1da

Regional Root Priority: 

40960

Regional Root Path Cost: 

0

Regional Root Port: 

slot-2/1

Remaining Hops: 

20

Port Speed 

Cost 

Priority 

Role State

__________  ______  ________ _________ __________ __________
f7 10G 

2000 

128 

DESIGNATED 

FORWARDING

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.