Draytek Vigor3900 User Manual page 145

Available parameters are listed as follows:
Item
Enable This Profile
Mirroring Port
Mirrored Port
Refresh
Apply
Vigor3900 Series User's Guide
Description
Check the box to enable the Mirror function for the switch.
Select a port to view traffic sent from mirrored ports.
Select which port is necessary to be mirrored.
Renew current web page.
Click it to save the settings.
137