![](/images/backgrounds/285925/hp-van-sdn-controller-software-products-administrators-guide-66988615x1.png)
Figure 2 Screen topography
1Banner: Identifies the user interface. Contains the alert notification counter and links to the navigation menu, alert information, and the SDN User window.
2Alert notification counter: Displays the current number of active alerts. Clicking this icon displays the Alerts as of Today window box.
3SDN User window: Enables you to log out of the controller, link to external websites, change the theme for the controller, and identify the version of controller software currently in use.
4navigation menu: The primary menu for navigating to controller and application resources. Contains the controller navigation tree, labelled General, and can contain additional navigation trees for installed applications that integrate with the controller UI. Can be displayed as a pane (as shown) or as a window that overlays the controller screen (see “Expanding or collapsing the navigation menu” (page 17)).
5navigation tree: Used to select the controller or application screen to display in the details pane. General is the controller navigation tree. Navigation trees for installed applications are displayed below or to the right of the General navigation tree. In this figure, there are two navigation trees: General and Net Optimizer - Lync.
6Details pane: Displays the detailed interface for the controller or application resource selected in the navigation menu. When the controller starts, it displays the Alerts screen.
7Pagination control: Can appear on screens that have lists of items. Use these controls to view the listings page by page.
8Listing control: Can appear on screens that have lists of items. Use these controls to select the number of items to display in a single view. The Auto option displays all items in a single screen. For listings exceeding the length of the screen, you can use the scroll bar on the right side of the screen.
Screen component | Description |
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SDN Controller | Expands or collapses the “navigation menu” (page 16) as an overlay window. |
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| Expands or collapses the controller “Alerts as of today” (page 21) window. |
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3.2 About the user interface | 15 |