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Article Id 264980
Description

This article explains the IP Range/Subnet mask of default Forti Switch VLANs (VLAN -ID : 1, 4088, 4089, 4090, 4091.4092.4093) created on FortiOS when FortiSwitch is managed on the FortiGate Firewall.

Scope

FortiOS 6.4.x and 7.0.x.

Solution See the FortiLink guide for more information about configuring VLANs.

 

When a FortiLink interface is created on FortiGate with FortiOS 6.4.x or below, the default FortiSwitch Vlan’s range is 169.254.x.x:

 

169.jpg

 

When a FortiLink interface is created on FortiGate with FOS 7.0.x or above, the default Forti Switch VLAN’s range is 10.255.x.x:

 

 
 
p1.png

 

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