Topology :
RM Mirror function behavior as below example topology ,
blue port packet will copy to Red port . user can connect laptop to Red port ,
and get blue port packet .

Switch 1 config :
Port 4 is data source , so , setting source mode = Both, mean is Tx / Rx all mirror .
Port 1 use in RM Mirror packet forwarding , so , only enable “ Intermediate “.
Port 2 = Reflector port , Reflector port use in packet forwarding buffer , the port led will light ,
please don’t connect cable .

Intermediate Port and Reflector Port , need disable MAC Learning !
Intermediate port = Port 1
Reflector Port = Port 2

VLAN 200 is RM Mirror ID , mean is each VLAN 200 Port all can get this mirror packet .

Switch 2 Config :
Port 1 / Port 2 use in RM Mirror packet forwarding , so , only enable “ Intermediate “.

Intermediate Port need disable MAC Learning !
Intermediate port = Port 1 / Port 2

VLAN 200 is RM Mirror ID , mean is each VLAN 200 Port all can get this mirror packet .

Switch 3 Config :
Port 4 is Data Destination Port, this port will get blue port all packet .
Port 1 use in RM Mirror packet forwarding , so , only enable “ Intermediate “.

Intermediate Port and Reflector Port , need disable MAC Learning !
Intermediate port = Port 1
Destination Port = Port 4

now , Switch 3 Port 4 will get blue port all packet .