About the gadgets
About the gadgets
1. Interface information
Displays the link status of the ports and the PoE power supply status.
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The "Port" icon display lets you check the link status of the ports, the PoE power supply status, and the bandwidth usage rate.
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When you move the mouse cursor over the "Port" icon, detailed port information is shown.
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Press the "LINK/ACT" button to display the link status. Press the"Power supply status" button to display the PoE power supply status.Press the "Bandwidth usage" button to display the bandwidth usage rate.
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The "Port" icon will display as follows, according to the linkstatus, the PoE power supply status, and the bandwidth usage rate.
Link status:For a LAN port
Icon | Description |
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Link up (port speed 1000BASE-T) |
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Link up (port speed 100BASE-TX) |
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Link up (port speed 10BASE-T) |
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Link down |
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Error occurrence (Loop detection, Shutdown by BPDU guard, Shutdown by port-security, The throughput has exceeded link speed 60.) |
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The STP state of the port is discarding. (CIST only) |
Link status:For an SFP port
Icon | Description |
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Link up (port speed 10GbE) |
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Link up (port speed 1GbE) |
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Link down |
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Error occurrence (Loop detection, Shutdown by BPDU guard, Shutdown by port-security, Optical RX power error, The throughput hasexceeded link speed 60.) |
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The STP state of the port is discarding. (CIST only) |
Link status:Stack port
Icon | Description |
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Link up |
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Link down |
PoE supply:For a LAN port
Icon | Description |
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Does not support power supply |
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PoE is being supplied (supply Class0—3) |
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PoE is being supplied (supply Class4) |
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Power supply stopped |
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Error occurrence (Power delivery capacity exceeded, Error on the Powered Device, Power supply abnormality) |
PoE supply:For an SFP port
Icon | Description |
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Does not support power supply |
Bandwidth usage:For a LAN port
Icon | Explanation |
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Link up ( Bandwidth usage rate x : 95% ≤ x ≤ 100% ) |
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Link up ( Bandwidth usage rate x : 85% ≤ x < 95% ) |
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Link up ( Bandwidth usage rate x : 75% ≤ x < 85% ) |
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Link up ( Bandwidth usage rate x : 65% ≤ x < 75% ) |
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Link up ( Bandwidth usage rate x : 55% ≤ x < 65% ) |
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Link up ( Bandwidth usage rate x : 45% ≤ x < 55% ) |
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Link up ( Bandwidth usage rate x : 35% ≤ x < 45% ) |
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Link up ( Bandwidth usage rate x : 25% ≤ x < 35% ) |
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Link up ( Bandwidth usage rate x : 15% ≤ x < 25% ) |
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Link up ( Bandwidth usage rate x : 7.5% ≤ x < 15% ) |
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Link up ( Bandwidth usage rate x : 0% ≤ x < 7.5% ) |
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Link down |
Bandwidth usage:For an SFP port
Icon | Description |
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Link up ( Bandwidth usage rate x : 95% ≤ x ≤ 100% ) |
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Link up ( Bandwidth usage rate x : 85% ≤ x < 95% ) |
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Link up ( Bandwidth usage rate x : 75% ≤ x < 85% ) |
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Link up ( Bandwidth usage rate x : 65% ≤ x < 75% ) |
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Link up ( Bandwidth usage rate x : 55% ≤ x < 65% ) |
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Link up ( Bandwidth usage rate x : 45% ≤ x < 55% ) |
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Link up ( Bandwidth usage rate x : 35% ≤ x < 45% ) |
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Link up ( Bandwidth usage rate x : 25% ≤ x < 35% ) |
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Link up ( Bandwidth usage rate x : 15% ≤ x < 25% ) |
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Link up ( Bandwidth usage rate x : 7.5% ≤ x < 15% ) |
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Link up ( Bandwidth usage rate x : 0% ≤ x < 7.5% ) |
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Link down |
2. System information
The following information is displayed.
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Device name:
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Display the device name of the switch.
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Firmware revision:
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Firmware revision
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Serial number:
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Serial number of the device
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This is also shown by a label on the rear of the chassis.
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MAC address:
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MAC address of the device
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This is also shown by a label on the rear of the chassis.
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Currently-running firmware:
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The currently started firmware is shown..
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When it starts from firmware stored in an external memory, shown like "exec(SD)".
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Currently-running settings file:
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The currently used CONFIG file is shown.
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Select config0 - config4 using the startup-config select command.
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Serial baud rate
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Displays the baud rate of the console port.
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System time:
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Current device date and time
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If the date and time are incorrect, set the date and timeeither in the Web GUI’s "Management" → "Device settings" page, or by using the clock set command or the ntpdate command.
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Startup time:
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System startup date and time
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Startup reason:
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Reason for startup
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Start from power-off state, reload command, revision up, etc.
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If reboot is detected as the startup reason, the background turns red, and a warning indication (
) occurs.
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Check with the network administrator.
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In the warning list, press the "Clear" button (
) to clear the warning indication.
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Fan speed :
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Displays the speed of each fan.
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Internal chassis temperature :
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Displays the temperature inside the chassis.
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SFP optical RX level :
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Displays the SFP optical Rx level state and the connection module.
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PoE supply :
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The display will show whether the PoE power supply is enabled.
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PoE supply power :
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The current supply voltage and the maximum supplied voltage will be displayed.
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3. Resource information
This page shows the CPU usage and memory usage.
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The current values and peak values of CPU usage and memory usage are shown.
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The number at the right of the meter is the current usage, and the number at the left is the peak value.
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You can clear the previous peak value from "Clear peak values,".
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Peak values are also cleared when you restart the device.
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When you move the mouse cursor to each meter, the peak value andthe date and time at which the peak value was recorded are shown.
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If the CPU usage exceeds 80 % , a warning display (
) is shown.
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Note the date and time at which the peak value was recorded,and from other gadgets, note the traffic and the log that were occurring during that time.
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If the memory usage exceeds 80 % , a warning display (
) is shown.
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Note the date and time at which the peak value was recorded,and from other gadgets, note the traffic and the log that were occurring during that time.
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4. SYSLOG
This shows the most recent SYSLOG.
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The most recent log is at the top.
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In the select menu you can change the number of lines that are displayed (default: 10 lines).
5. Terminal monitoring
Displays a list of monitored devices and the status of each.
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Devices that are determined to be up, down, not started yet ("Idle") and all monitored devices ("All") are counted respectively.
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Displays the monitored target, device name, monitoring type and status for each monitored device.
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Point the mouse cursor above a status column to show the status for that monitored device.
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Press the "Up", "Down", "Idle" and "All" buttons to show only the monitored devices for those statuses.
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When not even one monitored device is registered, "The monitoring devices have not been registered" will be displayed.
6. Traffic information
The physical interface traffic is displayed on a graph.
There are different gadgets for the transmission traffic and for the reception traffic.
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Use the "Live", "Day", "Month" and "Year" buttons to change the graph rendered.
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Live
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Traffic can be viewed for the previous two minutes.
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The graph will be automatically refreshed each second.
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Day
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Displays traffic per hour for the specified date.
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The day can be set using the day specification box at the top right of the gadget.
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Press the date specification box to display the calendar, and select the day to show the graph for the day specified.
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A date within one year to the past can be set using the calendar.
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Month
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Displays traffic per day for the specified month.
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The month can be set using the month specification box at the top right of the gadget.
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Press the month specification box to display the calendar, and select the month to show the graph for the day specified.
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A past month within one year can be set using the calendar.
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Year
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Displays traffic per month for the specified year.
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The year can be set using the year specification box at the top right of the gadget.
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Press the year specification box to display the calendar, and select the year to show the graph for the year specified.
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The year specification box can be used to specify either the current year or the previous year.
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Press the "Interface selection" button (
) to display the "Interface selection" dialog box.
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Select the interface to display on the graph, from the "Interface selection" dialog box.
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The average traffic per hour for the interface is rendered on the graph.
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Press the "Export as a CSV file" button (
) to display the "Traffic information Export summary data" dialog.
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You can export the specified period’s traffic summary data as aCSV file in the "Traffic information Export summary data" dialog.
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Press the "Clear summary data" button (
) to display the "Traffic information Clear summary data" dialog.
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You can delete all the traffic summary data in the "Traffic information Clear summary data" dialog.
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Up to 8 lines can be displayed on the graph usingthe colors blue, salmon pink, yellow, green, gray, sky blue, pink andpurple for a total of 8 colors.
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These colors are allocated in the order that they are rendered on the graph, from the newest interface numbers onwards.
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The Y-axis upper limit grows with the traffic, from a minimum of 10 [kbps] to a maximum of 10 [Gbps].
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The information shown below is shown on the graph for the specified period that is rendered.
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Live : Current time - time 120 sec. ago (hh:mm:ss format)
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Day : 0 o’clock - 23 o’clock
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Month : 1st - 28th, 29th, 30th, 31st
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Year : Jan - Dec
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Point the mouse cursor above a line on the graph to show the interface information, date and traffic amount.
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A legend for the currently displayed graph is shown at the lowermost part of the gadget.
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Using the legend
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Only the lines on the graph that are enabled using the check boxes in the legend will be displayed.
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Deselecting the check boxes will hide the corresponding lines from the graph.
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This is useful when multiple lines are overlapping or when you wish to temporarily monitor a specific interface only.
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If the interface you are currently monitoring does not exist,the message "The currently monitored interface is not selected" willdisplay.
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Refresh the screen to restore the rendered time period and the selections on the legend to their defaults, as shown below.
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Rendered period : Live
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Legend check boxes : All applied
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If the traffic exceeds 60%, a warning (
) will be displayed.
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If the traffic falls below 50%, the warning will be cancelled.
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When displaying a gadget in a separate window using the "Separate" button (
)
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The settings prior to being separated will be reflected in the settings for the interface currently being monitored.
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The rendered time period and the selections on the legend return to their defaults.
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The settings for the interface selected in a separated windowwill be reflected in the dashboard gadget when the separated screen isclosed.
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When directly inputting the URL for a separated window and displaying a gadget
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The rendered time period and the selections on the legend return to their defaults.
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7. Resource information(Graph)
This shows the CPU usage and memory usage in graph format.
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Use the "Live", "Day", "Month" and "Year" buttons to change the graph rendered.
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Live
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Usage ratio can be viewed for the previous two minutes.
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The graph will be automatically refreshed each second.
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Day
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Displays usage ratio per hour for the specified date.
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The day can be set using the day specification box at the top right of the gadget.
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Press the date specification box to display the calendar, and select the day to show the graph for the day specified.
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A date within one year to the past can be set using the calendar.
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Month
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Displays usage ratio per day for the specified month.
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The month can be set using the month specification box at the top right of the gadget.
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Press the month specification box to display the calendar, and select the month to show the graph for the day specified.
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A past month within one year can be set using the calendar.
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Year
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Displays usage ratio per month for the specified year.
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The year can be set using the year specification box at the top right of the gadget.
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Press the year specification box to display the calendar, and select the year to show the graph for the year specified.
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The year specification box can be used to specify either the current year or the previous year.
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Press the "Export as a CSV file" button (
) to display the "Resource information Export summary data" dialog.
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You can export the specified period’s resouce summary data as aCSV file in the "Resource information Export summary data" dialog.
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Press the "Clear summary data" button (
) to display the "Resource information Clear summary data" dialog.
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You can delete all the resouce summary data in the "Resource information Clear summary data" dialog.
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The average usage ratio is rendered per hour for the monitored period.
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The CPU usage is shown on the graph using blue lines, and the memory usage is shown using salmon pink lines.
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The upper limit for the graph’s Y axis is 100 [%].
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The information shown below is shown on the graph for the specified period that is rendered.
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Live : Current time - time 120 sec. ago (hh:mm:ss format)
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Day : 0 o’clock - 23 o’clock
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Month : 1st - 28th, 29th, 30th, 31st
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Year : Jan - Dec
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Point the mouse cursor above a line on the graph to show the monitored period, date and time and usage ratio.
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A legend for the currently displayed graph is shown at the lowermost part of the gadget.
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Using the legend
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Only the lines on the graph that are enabled using the check boxes in the legend will be displayed.
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Deselecting the check boxes will hide the corresponding lines from the graph.
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Refresh the screen to restore the rendered time period and the selections on the legend to their defaults, as shown below.
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Rendered period : Live
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Legend check boxes : All applied
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If the CPU usage exceeds 80%, a warning (
) will be displayed.
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If the CPU usage falls below 80%, the warning will be cancelled.
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If the memory usage exceeds 80%, a warning (
) will be displayed.
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If the memory usage falls below 80%, the warning will be cancelled.
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When displaying a gadget in a separate window using the "Separate" button (
)
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The rendered time period and the selections on the legend return to their defaults.
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When directly inputting the URL for a separated window and displaying a gadget
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The rendered time period and the selections on the legend return to their defaults.
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8. Stack information
The following information is displayed.
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Stack function
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Displays whether the stack function is enabled.
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Members
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Displays the member switch types and roles.
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Status
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Displays the member switch status.
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Only displayed when the stack function is enabled.
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Subnet on stack port
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Displays a range of IP addresses to use for stacked ports.
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Virtual MAC-Address
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Displays the MAC address used in the stack configuration.
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9. Power consumption information
Displays the power consumption of the device on a graph.
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Use the "Live", "Day", "Month" and "Year" buttons to change the graph rendered.
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Live
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Displays the power consumption [W] per second for the last 2 minutes.
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The graph will be automatically refreshed each second.
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Day
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Displays the total hourly power consumption [Wh] for the specified day.
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The day can be set using the day specification box at the top right of the gadget.
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Press the date specification box to display the calendar, and select the day to show the graph for the day specified.
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A date within one year to the past can be set using the calendar.
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Month
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Displays the total daily power consumption [Wh] for the specified month.
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The month can be set using the month specification box at the top right of the gadget.
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Press the month specification box to display the calendar, and select the month to show the graph for the day specified.
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A past month within one year can be set using the calendar.
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Year
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Displays the total monthly power consumption [Wh] for the specified year.
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The year can be set using the year specification box at the top right of the gadget.
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Press the year specification box to display the calendar, and select the year to show the graph for the year specified.
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The year specification box can be used to specify either the current year or the previous year.
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Press the "Export as a CSV file" button (
) to display the "Power consumption information Export summary data" dialog.
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You can export the specified period’s power consumption summarydata as a CSV file in the "Power consumption information Export summarydata" dialog.
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Press the "Clear summary data" button (
) to display the "Power consumption information Clear summary data" dialog.
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You can delete all the power consumption summary data in the "Power consumption information Clear summary data" dialog.
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The information shown below is shown on the graph for the specified period that is rendered.
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Live : Current time - time 120 sec. ago (hh:mm:ss format)
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Day : 0 o’clock - 23 o’clock
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Month : 1st - 28th, 29th, 30th, 31st
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Year : Jan - Dec
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Point the mouse cursor above a line on the graph to show the date and power consumption.
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Refresh the screen to restore the rendered time period to its default state Live.
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The rendered time period returns to its default in the following cases.
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When displaying a gadget in a separate window using the "Separate" button (
)
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When directly inputting the URL for a separated window and displaying a gadget
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The following recommended methods reduce power consumption.
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Decrease the link speed of ports with low bandwidth usage.
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Use the Schedule execution function to shut down unused ports and PoE power supply at midnight and on holidays.
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10. PoE power supply
Display the PoE power supply.
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The current/maximum power supply, the remaining available powersupply, and the guard band setting values are displayed at the top ofthe meter.
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The current utilization rate is shown on the right side of the meter, with peak utilization at the top.
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The arrow at the bottom of the meter indicates the guard bandthreshold value. If the current power supply exceeds the guard bandthreshold value, no additional power can be supplied.
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When you move the mouse cursor to the meter, the peak value andthe date and time at which the peak value was recorded are shown.
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You can clear the previous peak value from "Clear peak values".
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Peak values are also cleared when you restart the device.
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