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Cisco Prime Network 4.0 User Guide
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Chapter 12 Monitoring Carrier Ethernet Services
Working with VLANs
Figure 12-33 VLAN Overlay Example
Note The overlay is a snapshot taken at a specific point in time. As a result, the information in the overlay
might become stale. To update the overlay, click Refresh the Last Selected Overlay in the toolbar.
The VLAN overlay service also supports multi-chassis devices. If a network element in the overlay is
dimmed, then all the hosts of the network element along wi th t he I nt er Rac k Li n ks ( IRL) a nd th e In ter
Chassis Links (ICL) used for transportation will also be dimmed. Apart from these, the chassis th at holds
the configured port will also be dimmed.
Displaying or Hiding VLAN Overlays
After you create a VLAN overlay, you can hide it by clicking Hide Overlay in the toolbar. All previously
dimmed network elements and links are displayed. To display the overlay, click Show Overlay.
Note The Overlay icon toggles between Show Overlay and Hide Overlay. When selected, the V LAN overlay
is displayed and the Hide Overlay tool is active. When deselected, the VLAN overlay is hidden and the
Show Overlay tool is active.
Removing a VLAN Overlay
To remove a VLAN overlay from a map, choose Choose Overlay Type > None in the toolbar. The
overlay is removed from the map, and the Show Overlay/Hide Overlay icon is dimmed.