# About the gadgets

## 1. Interface information

Displays the link status of the ports.

- The "Port" icon display lets you check the link status of the ports and the bandwidth usage rate.

- When you move the mouse cursor over the "Port" icon, detailed port information is shown.

- Press the "LINK/ACT" button to display the link status. Press the "Bandwidth usage" button to display the bandwidth usage rate.

- The "Port" icon will display as follows, according to the link status, and the bandwidth usage rate.

  Link status:For a LAN port

  Icon | Description
  | Link up (port speed 10GBASE-T)
  | Link up (port speed 5GBASE-T)
  | Link up (port speed 2.5GBASE-T)
  | Link up (port speed 1000BASE-T)
  | Link up (port speed 100BASE-TX)
  | Link down
  | Error occurrence( Loop detection, Shutdown by BPDU guard, Shutdown by port-security )
  | The STP state of the port is discarding. (CIST only) It means that the STP is blocking frames even though the link is up. *This icon is overlaid on the link-up icon.

  Link status:For an SFP port

  Icon | Description
  | Link up (port speed 25GbE)
  | Link up (port speed 10GbE)
  | Link up (port speed 1GbE)
  | Link down
  | Error occurrence( Loop detection, Shutdown by BPDU guard, Shutdown by port-security, Optical RX power error )
  | The STP state of the port is discarding. (CIST only) It means that the STP is blocking frames even though the link is up. *This icon is overlaid on the link-up icon.

  Link status:For a QSFP28 port

  Icon | Description
  | Link up (port speed 100GbE)
  | Link down
  | Error occurrence( Loop detection, Shutdown by BPDU guard, Shutdown by port-security, Optical RX power error )
  | The STP state of the port is discarding. (CIST only) It means that the STP is blocking frames even though the link is up. *This icon is overlaid on the link-up icon.

  Link status:For a Stack port

  Icon | Description
  | Link up
  | Link down

  Bandwidth usage:For a LAN port

  Icon | Description
  | Link Up (Bandwidth Utilization x: 95% ≤ x ≤ 100%)
  | Link Up (Bandwidth Utilization x: 85% ≤ x < 95%)
  | Link Up (Bandwidth Utilization x: 75% ≤ x < 85%)
  | Link Up (Bandwidth Utilization x: 65% ≤ x < 75%)
  | Link Up (Bandwidth Utilization x: 55% ≤ x < 65%)
  | Link Up (Bandwidth Utilization x: 45% ≤ x < 55%)
  | Link Up (Bandwidth Utilization x: 35% ≤ x < 45%)
  | Link Up (Bandwidth Utilization x: 25% ≤ x < 35%)
  | Link Up (Bandwidth Utilization x: 15% ≤ x < 25%)
  | Link Up (Bandwidth Utilization x: 7.5% ≤ x < 15%)
  | Link Up (Bandwidth Utilization x: 0% ≤ x < 7.5%)
  | Link down

  Bandwidth usage:For an SFP port

  Icon | Description
  | Link Up (Bandwidth Utilization x: 95% ≤ x ≤ 100%)
  | Link Up (Bandwidth Utilization x: 85% ≤ x < 95%)
  | Link Up (Bandwidth Utilization x: 75% ≤ x < 85%)
  | Link Up (Bandwidth Utilization x: 65% ≤ x < 75%)
  | Link Up (Bandwidth Utilization x: 55% ≤ x < 65%)
  | Link Up (Bandwidth Utilization x: 45% ≤ x < 55%)
  | Link Up (Bandwidth Utilization x: 35% ≤ x < 45%)
  | Link Up (Bandwidth Utilization x: 25% ≤ x < 35%)
  | Link Up (Bandwidth Utilization x: 15% ≤ x < 25%)
  | Link Up (Bandwidth Utilization x: 7.5% ≤ x < 15%)
  | Link Up (Bandwidth Utilization x: 0% ≤ x < 7.5%)
  | Link down

  Bandwidth usage:For a QSFP28 port

  Icon | Description
  | Link Up (Bandwidth Utilization x: 95% ≤ x ≤ 100%)
  | Link Up (Bandwidth Utilization x: 85% ≤ x < 95%)
  | Link Up (Bandwidth Utilization x: 75% ≤ x < 85%)
  | Link Up (Bandwidth Utilization x: 65% ≤ x < 75%)
  | Link Up (Bandwidth Utilization x: 55% ≤ x < 65%)
  | Link Up (Bandwidth Utilization x: 45% ≤ x < 55%)
  | Link Up (Bandwidth Utilization x: 35% ≤ x < 45%)
  | Link Up (Bandwidth Utilization x: 25% ≤ x < 35%)
  | Link Up (Bandwidth Utilization x: 15% ≤ x < 25%)
  | Link Up (Bandwidth Utilization x: 7.5% ≤ x < 15%)
  | Link Up (Bandwidth Utilization x: 0% ≤ x < 7.5%)
  | Link down

## 2. System information

The following information is displayed.

- Device name:

  - Display the device name of the switch.

- Firmware revision:

  - Firmware revision

- Serial number:

  - Serial number of device

  - This is also shown by a label on the rear of the chassis.

- Device ID:

  - Device ID of the device.

- MAC address:

  - MAC address of the device

  - This is also shown by a label on the rear of the chassis.

- Currently-running firmware:

  - The currently started firmware is shown..

  - When it starts from firmware stored in an external memory, shown like "exec(SD)".

- Currently-running settings file:

  - The currently used CONFIG file is shown.

  - Select config0 - config4 using the startup-config select command. If you are booting from a CONFIG file stored in external memory, "config(SD)" will be displayed.

- DIPSW (startup):

  - Displays the state of DIP switch at startup.

- Serial baud rate

  - Displays the baud rate of the console port.

- System time:

  - Current device date and time

  - If the date and time are incorrect, set the date and time either in the Web GUI’s "Management" → "Device settings" page, or by using the clock set command or the ntpdate command.

- Startup time:

  - System startup date and time

- Startup reason:

  - Reason for startup

  - Start from power-off state, reload command, revision up, etc.

  - If reboot is detected as the startup reason, the background turns red, and a warning indication () occurs.

    - Check with the network administrator.

    - In the warning list, press the "Clear" button () to clear the warning indication.

- Fan speed :

  - Displays the speed of each fan.

- Internal chassis temperature :

  - Displays the temperature inside the chassis.

- SFP optical RX level :

  - Displays the SFP optical Rx level state and the connection module.

- Power supply unit :

  - Displays the state of power supply unit.

## 3. Resource information

This page shows the CPU usage and memory usage.

- The current values and peak values of CPU usage and memory usage are shown.

- The number at the right of the meter is the current usage, and the number at the left is the peak value.

- You can clear the previous peak value from "Clear peak values,".

  - Peak values are also cleared when you restart the device.

- When you move the mouse cursor to each meter, the peak value and the date and time at which the peak value was recorded are shown.

- If the CPU usage exceeds 80%, a warning display () is shown.

  - 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.

- If the memory usage exceeds 80%, a warning display () is shown.

  - 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.

## 4. SYSLOG

This shows the most recent SYSLOG.

- The most recent log is at the top.

- 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 their status.

- Devices that are determined to be up, down, not started yet ("Idle") and all monitored devices ("All") are counted respectively.

- Displays the monitored target, device name, monitoring type and status for each monitored device.

- Point the mouse cursor above a status column to show the status for that monitored device.

- Press the "Up", "Down", "Idle" and "All" buttons to show only the monitored devices for those statuses.

- 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.

- Use the "Live", "Day", "Month" and "Year" buttons to change the graph rendered.

  - Live

    - Traffic can be viewed for the previous two minutes.

    - The graph will be automatically refreshed each second.

  - Day

    - Displays traffic per hour for the specified date.

    - The day can be set using the day specification box at the top right of the gadget.

    - Press the date specification box to display the calendar, and select the day to show the graph for the day specified.

    - A date within one year to the past can be set using the calendar.

  - Month

    - Displays traffic per day for the specified month.

    - The month can be set using the month specification box at the top right of the gadget.

    - Press the month specification box to display the calendar, and select the month to show the graph for the day specified.

    - A past month within one year can be set using the calendar.

  - Year

    - Displays traffic per month for the specified year.

    - The year can be set using the year specification box at the top right of the gadget.

    - Press the year specification box to display the calendar, and select the year to show the graph for the year specified.

    - The year specification box can be used to specify either the current year or the previous year.

- Press the "Interface selection" button () to display the "Interface selection" dialog box.

- Select the interface to display on the graph, from the "Interface selection" dialog box.

- The average traffic per hour for the interface is rendered on the graph.

- Press the "Export as a CSV file" button () to display the "Traffic information Export summary data" dialog.

- You can export the specified period’s traffic summary data as a CSV file in the "Traffic information Export summary data" dialog.

- Press the "Clear summary data" button () to display the "Traffic information Clear summary data" dialog.

- You can delete all the traffic summary data in the "Traffic information Clear summary data" dialog.

- Up to 8 lines can be displayed on the graph using the colors blue, salmon pink, yellow, green, gray, sky blue, pink and purple for a total of 8 colors.

  - These colors are allocated in the order that they are rendered on the graph, from the newest interface numbers onwards.

- The Y-axis upper limit grows with the traffic, from a minimum of 10 [kbps] to a maximum of 100 [Gbps].

- The information shown below is shown on the graph for the specified period that is rendered.

  - Live: Current time - time 120 sec. ago (hh:mm:ss format)

  - Day: Midnight - 11pm

  - Month: 1st - 28th, 29th, 30th, 31st

  - Year: January - December

- Point the mouse cursor above a line on the graph to show the interface information, date and traffic amount.

- A legend for the currently displayed graph is shown at the lowermost part of the gadget.

- Using the legend

  - Only the lines on the graph that are enabled using the check boxes in the legend will be displayed.

  - Deselecting the check boxes will hide the corresponding lines from the graph.

  - This is useful when multiple lines are overlapping or when you wish to temporarily monitor a specific interface only.

  - If the interface you are currently monitoring does not exist, the message "The currently monitored interface is not selected" will display.

- Refresh the screen to restore the rendered time period and the selections on the legend to their defaults, as shown below.

  - Rendering period: Live

  - Legend checkbox: Apply all

- If the traffic exceeds 60%, a warning () will be displayed.

- If the traffic falls below 50%, the warning will be cancelled.

- When displaying a gadget in a separate window using the "Separate" button ()

  - The settings prior to being separated will be reflected in the settings for the interface currently being monitored.

  - The rendered time period and the selections on the legend return to their defaults.

  - The settings for the interface selected in a separated window will be reflected in the dashboard gadget when the separated screen is closed.

- When directly inputting the URL for a separated window and displaying a gadget

  - The rendered time period and the selections on the legend return to their defaults.

## 7. Resource information (Graph)

This shows the CPU usage and memory usage in graph format.

- Use the "Live", "Day", "Month" and "Year" buttons to change the graph rendered.

  - Live

    - Usage ratio can be viewed for the previous two minutes.

    - The graph will be automatically refreshed each second.

  - Day

    - The average usage ratio is rendered per hour for the monitored period.

    - The day can be set using the day specification box at the top right of the gadget.

    - Press the date specification box to display the calendar, and select the day to show the graph for the day specified.

    - A date within one year to the past can be set using the calendar.

  - Month

    - Displays usage ratio per day for the specified month.

    - The month can be set using the month specification box at the top right of the gadget.

    - Press the month specification box to display the calendar, and select the month to show the graph for the day specified.

    - A past month within one year can be set using the calendar.

  - Year

    - Displays usage ratio per month for the specified year.

    - The year can be set using the year specification box at the top right of the gadget.

    - Press the year specification box to display the calendar, and select the year to show the graph for the year specified.

    - The year specification box can be used to specify either the current year or the previous year.

- Press the "Export as a CSV file" button () to display the "Resource information Export summary data" dialog.

- You can export the specified period’s resource summary data as a CSV file in the "Resource information Export summary data" dialog.

- Press the "Clear summary data" button () to display the "Resource information Clear summary data" dialog.

- You can delete all the resource summary data in the "Resource information Clear summary data" dialog.

- Displays usage ratio per hour for the specified date.

- The CPU usage is shown on the graph using blue lines, and the memory usage is shown using salmon pink lines.

- The upper limit for the graph’s Y axis is 100 [%].

- The information shown below is shown on the graph for the specified period that is rendered.

  - Live: Current time - time 120 sec. ago (hh:mm:ss format)

  - Day: Midnight - 11pm

  - Month: 1st - 28th, 29th, 30th, 31st

  - Year: January - December

- Point the mouse cursor above a line on the graph to show the monitored period, date and time and usage ratio.

- A legend for the currently displayed graph is shown at the lowermost part of the gadget.

- Using the legend

  - Only the lines on the graph that are enabled using the check boxes in the legend will be displayed.

  - Deselecting the check boxes will hide the corresponding lines from the graph.

- Refresh the screen to restore the rendered time period and the selections on the legend to their defaults, as shown below.

  - Rendering period: Live

  - Legend checkbox: Apply all

- If the CPU usage exceeds 80%, a warning () will be displayed.

- If the CPU usage falls below 80%, the warning will be cancelled.

- If the memory usage exceeds 80%, a warning () will be displayed.

- If the memory usage falls below 80%, the warning will be cancelled.

- When displaying a gadget in a separate window using the "Separate" button ()

  - The rendered time period and the selections on the legend return to their defaults.

- When directly inputting the URL for a separated window and displaying a gadget

  - The rendered time period and the selections on the legend return to their defaults.

## 8. Stack information

The following information is displayed.

- Stack Function

  - Displays whether the stack function is enabled.

- Members

  - Displays the member switch types and roles.

- Status

  - Displays the member switch status.

  - Only displayed when the stack function is enabled.

- Subnet on stack port

  - Displays a range of IP addresses to use for stacked ports.

- Virtual MAC-Address

  - Displays the MAC address used in the stack configuration.

## 9. Power consumption information

Displays the power consumption of the device on a graph.

- Use the "Live", "Day", "Month" and "Year" buttons to change the graph rendered.

  - Live

    - Displays the power consumption [W] per second for the last 2 minutes.

    - The graph will be automatically refreshed each second.

  - Day

    - Displays the total hourly power consumption [Wh] for the specified day.

    - The day can be set using the day specification box at the top right of the gadget.

    - Press the date specification box to display the calendar, and select the day to show the graph for the day specified.

    - A date within one year to the past can be set using the calendar.

  - Month

    - Displays the total daily power consumption [Wh] for the specified month.

    - The month can be set using the month specification box at the top right of the gadget.

    - Press the month specification box to display the calendar, and select the month to show the graph for the day specified.

    - A past month within one year can be set using the calendar.

  - Year

    - Displays the total monthly power consumption [Wh] for the specified year.

    - The year can be set using the year specification box at the top right of the gadget.

    - Press the year specification box to display the calendar, and select the year to show the graph for the year specified.

    - The year specification box can be used to specify either the current year or the previous year.

- Press the "Export as a CSV file" button () to display the "Power consumption information Export summary data" dialog.

- You can export the specified period’s power consumption summary data as a CSV file in the "Power consumption information Export summary data" dialog.

- Press the "Clear summary data" button () to display the "Power consumption information Clear summary data" dialog.

- You can delete all the power consumption summary data in the "Power consumption information Clear summary data" dialog.

- The information shown below is shown on the graph for the specified period that is rendered.

  - Live: Current time - time 120 sec. ago (hh:mm:ss format)

  - Day: Midnight - 11pm

  - Month: 1st - 28th, 29th, 30th, 31st

  - Year: January - December

- Point the mouse cursor above a line on the graph to show the date and power consumption.

- Refresh the screen to restore the rendered time period to its default state Live.

- The rendered time period returns to its default in the following cases.

  - When displaying a gadget in a separate window using the "Separate" button ()

  - When directly inputting the URL for a separated window and displaying a gadget

- The following recommended methods reduce power consumption.

  - Decrease the link speed of ports with low bandwidth usage.

  - Use the Schedule execution function to shut down unused ports at midnight and on holidays.

## 10. Operating status of YNO agent

Displays the operating status of YNO agent.

- YNO agent function

  - Displays whether the YNO agent function is enabled.

- Connection status

  - Displays connection status with the YNO server.

  - If the connection status is offline, an error reason will be displayed as well.

- Connected date

  - Displays the date and time that the connection was established with the YNO server.

- Operator ID

  - Displays the operator ID of the YNO manager that manages this unit.

- Connection status with servers

  - Displays connection status with the YNO servers (ACS, XMPP, GFW).

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