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Continuous Ping

 

This utility charts the results of continuous pings between one router and another

  1. Select Tools>Diagnostics>Continuous Ping or Ping>Continuous Ping from the Diagnostics Tool.

  2. In the former case, your cursor will become a cross hair. On the Map window, select the source and destination routers by clicking one after the other on the map.

    Figure 1: Continuous Ping Options
    Continuous Ping Options
  3. Select the interval to ping and which IP address to use (Loopback by default).

  4. To specify the source interface or destination IP address, use the More Actions > Choose source interface or More Actions > Enter destination IP address.

  5. To access additional options, such as selecting the source/destination interface or IP address, or vrf, running mpls or vpn ping, or setting the ping count, click the Advanced button.

  6. Click the “Run” button to begin the series of pings.

    Figure 2: Continuous Ping Graph
    Continuous Ping Graph

    By default, ping results are displayed in blue for max, green for avg, and black for min. These are the maximum, minimum, and average ping results. Loss% ( in red) reports the percentage of packets lost.

  7. To zoom into an area, select a rectangle area on the graph by dragging the mouse pointer from an upper left corner to a lower right corner of the rectangle. Select Auto Range > Both Axes to undo the zoom.

    Figure 3: Continuous Ping Chart
    Continuous Ping Chart
  8. To view the data points making up the graph, right-click on the row in the upper half of the Diagnostics Tool and deselect the “Chart View” checkbox.

  9. To stop the continuous ping, right-click on the row in the upper half of the Diagnostics Tool and select “Stop continuous ping.”