TN-5516/5518 User’s Manual Featured Functions
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Using the Monitor
You can monitor statistics in real time from the TN-5500’s web console and serial console.
Monitor by Switch
Access the Monitor by selecting System from the left selection bar. Monitor by System allows the
user to view a graph that shows the combined data transmission activity of all of the TN-5500’s
ports. Click one of the four options—Total Packets, TX Packets, RX Packets, or Error
Packets—to view transmission activity of specific types of packets. Recall that TX Packets are
packets sent out from the TN-5500, RX Packets are packets received from connected devices, and
Error Packets are packets that did not pass TCP/IP’s error checking algorithm. The Total Packets
option displays a graph that combines TX, RX, and TX Error, RX Error Packets activity. The
graph displays data transmission activity by showing Packets/s (i.e., packets per second, or pps)
versus sec. (seconds). In fact, three curves are displayed on the same graph: Uni-cast packets (in
red color), Multi-cast packets (in green color), and Broad-cast packets (in blue color). The graph
is updated every few seconds, allowing the user to analyze data transmission activity in real-time.
Monitor by Port
Access the Monitor by Port function by selecting ALL 10/100M or Port i, in which i= 1, 2, …, 16,
from the left pull-down list. The Port i options are identical to the Monitor by System function
discussed above, in that users can view graphs that show All Packets, TX Packets, RX Packets, or
Error Packets activity, but in this case, only for an individual port.
The All Ports option is
essentially a graphical display of the individual port activity that can be viewed with the Console
Monitor function discussed above. The All Ports option shows three vertical bars for each port.
The height of the bar represents Packets/s for the type of packet at the instant the bar is being
viewed. That is, as time progresses, the height of the bar moves up or down so that the user can
view the change in the rate of packet transmission. The blue colored bar shows Uni-cast packets,
the red colored bar shows Multi-cast packets, and the orange colored bar shows Broad-cast
packets. The graph is updated every few seconds, allowing the user to analyze data transmission
activity in real-time.
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