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Side-by-Side Bar Chart Interface Utilization

The Side-by-Side Bar Chart Interface Utilization view lets you compare average inbound utilization with average outbound utilization. The values are displayed horizontally over the selected time frame for the 10 interfaces with the highest utilization.

Interface utilization is shown in both directions for the following reasons:

• Almost all digital interfaces are full-duplex; they can transmit data while they receive data.
• Interface utilization is typically asymmetrical. The term means that there is typically much more traffic in one direction than the other.

  The asymmetry depends on the location of the device or interface and the applications in use. For example, a data center services client-server application traffic. The WAN router interfaces on the data center side typically transmit much more data than they receive. By contrast, the router interfaces on the remote office side receive much more data than they transmit. The asymmetry results from the behavior of client-server application traffic: small requests travel from the client computer to the data center, while large responses are transmitted from the data center to the client computers.

You can customize this view.

Follow these steps:

1. Click the Options (gear) icon on the view, and select Edit from the menu.

   The Settings dialog opens.

2. Change the view Title or Subtitle to reflect the modified view. The Subtitle is already selected if the view appears on an item context page.
3. Select the Metric Value to display on the view: Percentage, Rate, or Volume.
4. (Optional) Filter the view by time zone and business hours. Such filtering lets you monitor critical business functions during actual business hours in their respective time zones.
   1. Select the 'Time Filtering: Enabled' check box.
   2. Select the Time Zone filter that best represents the geographic location of the business function. The list contains only time zones that are associated with the configured sites for the current tenant.

      Tip: The list offers a "type ahead" feature. As you type the name of the country for a time zone, the list quickly scrolls to the time zones in that country.

   3. Select the appropriate Business Hours filter. The Options in the list are available only after you select a Time Zone filter.

      The list contains only business hours that are associated with the current tenant. However, it is not filtered by group or item context. If you have selected a context for the view, select the business hours that are associated with the applicable site. Otherwise, the view contains no data.

      Note: A CA Performance Center administrator configures all business hour selections that are available in the Business Hour Filter list.

5. Expand the nodes in the Context Settings area and then select the group whose data you want to see in the view. Your selection appears in the 'Current Item' field.
6. Select the scope of your changes from the Apply Changes drop-down. Select one of the following options:
   • For All Tenant Users: Saves the changes so that they are only available to users associated with your tenant (possibly the Default Tenant).
   • My User Account: Saves the changes to your user account as a default for this view.
   • My Current Session: Reverts the changes when you log out.

   Note: The availability of these options depends on your user account role rights.

7. Click Save.

   The view is refreshed to reflect your updates.

More information:

Top Interface Utilization - Out - Trend/Table

Top Interface Utilization - In - Trend/Table

Assign Time Zone and Business Hour Filters to a View