About the Link Tab

Tasks You Can Perform

• From the More list, you can perform the following tasks:

  Note:

  You can also right-click a link to view the same options.

  • View details about a link—To view details tab and interface stats tab:

    • Hover over a link row in the table and click the Details icon. The Link - Device A to Device Z appears. On the Link - Device A to Device Z page that appears, you can view the Interface Stats tab and the Details tab.

    • Select the link on the table and click More > Show Detail. On the Link - Device A to Device Z page that appears, you can view the Interface Stats tab and the Details tab.

    On the Interface Stats tab, you can view the device name, interface name, management IP address, available bandwidth, used bandwidth, live interface utilization, live RSVP utilization, computed tunnel utilization, measured delay, and packet loss of ingress device (Node A) and egress device (Node Z).

    On the Details tab, you can view the link ID, link index, live status, operational status, and properties of ingress device (Node A) and egress device (Node Z) in detail. See Table 1

    The Link - Device A to Device Z page is movable so, you can pin it anywhere on the screen.

  • Filter links on the topology map—To display only the selected link in the topology map, select Filter Selected Link. To undo the filter, right click a blank space on the topology map and click Reload Network.

  • Zoom in on a link—To zoom in on a link in the topology map, select the link and click Zoom to Selected Link. The topology map is enlarged to zoom in on the selected link.

  • Configure table settings—Select Table Settings to change the display format of utilization values (Decimal or Percentage) in the table.

  • Force delete a link—Use the Force Delete option to delete a link that is no longer present in the network but remains in the network model, which is maintained by the TopoServer.

    CAUTION:
    Force delete a link only in extraordinary circumstances, such as troubleshooting, because force deleting a link that's working normally might cause Routing Director to be out-of-sync with the live network.

    To force delete a link:

    1. Select one or more links from the Link tab of the network information table and click More > Force Delete. Alternatively, right-click on the selected links and select Force Delete.

       A confirmation message appears.

    2. Click Yes.

       The link is deleted from the table and the topology map.

• Download link-related information—Click Download to download detailed information about all the existing links in the topology in CSV format.

• View historical data—Routing Director enables you can view the historical data. Historical data provides you valuable insights into past trends and patterns.

  Note:

  For Routing Director to collect historical data, you need to do the following:

  1. You need to enable the collection of statistics.

     1. To collect historical data for interface traffic, you need to enable traffic engineering while creating a device profile. For more information, see Add a Device Profile.

     2. To collect historical data for interface delay, you need to enable link delay measurements. For more information, see https://www.juniper.net/documentation/us/en/software/junos/is-is/topics/topic-map/enable-link-delay-advertise-in-is-is.html.

     3. To collect historical data for packet loss, you need to enable active assurance and packet loss while creating a device profile. For more information, see Add a Device Profile. You also need to enable packet loss in the Organization Settings page. For more information, see Manage Organization Settings.

  2. Enable dynamic topology so that you can view real-time changes in your network. For more information, see Dynamic Topology Workflow.

  You can view the historical data for the following:

  • Interface Traffic—View a graphical representation of the link traffic (in bps) for interface A and Z based on the time range selected from the Period list. A Link Traffic pop-up appears, which you can pin anywhere on the screen using the pin icon. From the Period list, you can select an option to view the traffic data for Previous 3 Hours, 1 day, 1 Week, or Custom time ranges.

    You can choose to auto refresh the data or manually refresh the data.

  • Interface delay—View a graphical representation of the link delay (in milliseconds) for interface A and Z based on the time range selected from the Period list. A Link Delay pop-up appears, which you can pin anywhere on the screen using the pin icon. From the Period list, you can select an option to view the delay data for Previous 3 Hours, 1 day, 1 Week, or Custom time ranges.

    You can choose to auto refresh the data or manually refresh the data.

  • Packet loss—View a graphical representation of the packet loss (in percentage) on the link from interface A to interface Z based on the time range selected from the Period list. A Packet Loss pop-up appears, which you can pin anywhere on the screen using the pin icon. From the Period list, you can select an option to view the delay data for Previous 3 Hours, 1 day, 1 Week, or Custom time ranges.

    You can choose to auto refresh the data or manually refresh the data.