Description |
This article describes the difference between trunk interfaces and tagging VLAN on interfaces. |
Scope |
FortiSwitch. |
Solution |
When the FortiSwitches are connected to a third-party switch, there are two kinds of interfaces to connect them.
On FortiSwitches, an interface trunk is a LAG interface (boundle interface, could be LACP). In a interface port, it is possible to add VLANs to be transmitted on the same port with its VLAN tag ID.
These are configuration examples.
Note: These examples are on FortiSwitch standalone.
Configuring a LACP interface, active mode:
config switch trunk edit "To_third_party_device" set mode lacp-active <-----Enable LACP active mode. set members "port11" "port12" <----- Members of LACP interface.
config switch interface edit "To_third_party_device" set native-vlan 10 <----- VLAN without tag on interface trunk. set allowed-vlans 322,351 <----- Tagged VLANs on interface trunk.
configuring a port with VLAN tagging:
config switch interface edit "port27" <----- Port to configure. set native-vlan 10 <----- VLAN without tag. set allowed-vlans 1,2,5-10 <----- Tagged vlans. |
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