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Starting from FortiSwitch v7.2.0, the 'auto-network' feature has been introduced. Refer to the link: Special notices
By default, this is enabled for FortiSwitch to come up in FortiLink mode and the mgmt-vlan is set to 4094: config switch
So, after a FortiSwitch reboot, the switch's internal interface native VLAN is changed to 4094.
Command:
show full-config switch interface internal
If the FortiSwitch runs in standalone mode, it is possible to disable this feature.
config switch auto-network
set status disable
end
Disable the FortiLink auto-discovery on the FortiSwitch
config switch global
set fortilink-auto-discovery disable <-----
If the FortiSwich is used in 'Fortilink over layer3' mode and if a different native VLAN needs to be configured on the internal interface, then change the mgmt-vlan.
For example:
On FortiSwitch:
config switch auto-network
set mgmt-vlan 1
set status enable
end
On FortiGate:
config system interface
edit <fortilink interface name>
set switch-controller-mgmt-vlan 1
end
Related article:
Technical Tip: FortiLink mode over a layer-3 network |
