Configuring the Fortinet FortiGate Switch for Port Mirroring

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Configuration Through the CLI

1. Enter the following:
   config system virtual-switch
   edit <port>
   set span enable
   set span-source-port <port>
   set span-dest-port <port>
   set span-direction {both | Tx | Rx}
   end
   end
   

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Configuration Through the Web UI

1. Go to System > Network > Interfaces.
2. Edit a hardware switch interface. By default, the system may have a hardware switch interface called a LAN. You can also create a new hardware switch interface. a. Select the SPAN checkbox, then select a source port from which you want traffic mirrored. b. Select one of the following:
   • Traffic received
   • Traffic sent
   • Both