SPAN (Port Mirror)

Please share us your config under "config system virtual-switch"(hard-switch) or "config system switch-interface"(soft-switch), whichever you configured.

Toshi

config system virtual-switch
edit "lan"
set physical-switch "sw0"
config port
edit "port1"
next
edit "port8"
next
end
next
end

You need to enable SPAN on the virtual-switch.
https://community.fortinet.com/t5/FortiGate/Technical-Tip-SPAN-Port-Mirroring-using-ports-associated-to/ta-p/191137

Toshi

it tried here is the command and response

min-201G (virtual-switch) # edit "lan"

Admin-201G (lan) # set span enable

command parse error before 'span'
Command fail. Return code -61

Admin-201G (lan) #

Maybe G series has different command or not supported yet? Does anyone else know?

Toshi

it appears that through the gui it will not allow span on vlan switches only.

it works under a virtual switch but not under the vlan switch.

what i sent early was the cli for the virtual switch that the vlan switch is set up under.

Admin-201G # show | grep -f span
config switch-controller initial-config template
edit "rspan" <---
set vlanid 4092
set dhcp-server enable
next
end

You might need to open a ticket at TAC to get any definitive answer.

Toshi