Draytek vigor3900 User Manual page 146

Untag
Apply
Cancel
4. Enter all the settings and click Apply. The new profile will be added on the screen.
M i r r o r
M i r r o r
Vigor3900 supports port mirroring function in LAN interfaces. This mechanism helps
manager track the network errors or abnormal packets transmission without interrupting the
flow of data access the network. By the way, user can apply this function to monitor all
traffics which user needs to check.
There are some advantages supported in this feature. Firstly, it is more economical without
other detecting equipments to be set up. Secondly, it may be able to view traffic on one or
more ports within a VLAN at the same time. Thirdly, it can transfer all data traffics to be
mirrored to one analyzer connect to the mirroring port. Last, it is more convenient and easy
to configure in user's interface.
one of the selections has been chosen by other profile. You
cannot choose it. If you want to specify that one for such
profile, please exit this dialog to release that selection from
its original VLAN profile, than return this page and make the
selection again.
Determine if the packets transmitted to Internet through such
LAN profile with the VLAN ID number is tagged or not.
If the icon appears in front of the drop down list, it means
one of the selections has been chosen by other profile. You
cannot choose it. If you want to specify that one for such
profile, please exit this dialog to release that selection from
its original VLAN profile, than return this page and make the
selection again.
Click it to save and exit the dialog.
Click it to exit the dialog without saving anything.
138 Vigor3900 Series User's Guide