TP-Link Omada ER8411 VPN Router - Manual (Page 44)

Configuring Network Switch Configuration
User Guide 35
Undersize Displays the number of received packets which have a length less than 64 bytes
(including error frames).
Normal Displays the number of received packets which have length between 64 bytes and the
maximum frame length (including error frames).
Oversize Displays the number of received packets that have a length greater than the maximum
frame length (including error frames).
Refresh Click Refresh to view the latest traffic statistics of each port.
Clear Click Clear to clear all the traffic statistcs.
Note:
Error Frame : The frames that have a false checksum.
Maximum frame length : The maximum frame length supported by the router. For untagged frames,
it’s 1518 bytes long; for tagged packets, it’s 1522 bytes long.
6.2 Configuring Port Mirror
Port Mirror function allows the router to forward packet copies of the monitored ports to
a specific monitoring port. Then you can analyze the copied packets to monitor network
traffic and troubleshoot network problems.
Choose the menu
Network > Switch > Mirror to load the following page.
Figure 6-2 Configuring Port Mirror