Layer 2 Features
Use the Layer 2 Features panel to enable Layer 2 features and specify how you want to use them.
- Enable Layer 2 features on this server - select this check box to turn on Layer 2 features.
- [NN] Maps Enabled - Click this link to choose the maps for which Layer 2 is enabled. The Layer 2 Enabled Maps window appears as shown below.
Note: In order to use the Layer 2 features in your map, after enabling Layer 2 features in the Server Settings window, you must enable them in the Map Settings window for each map that contains Layer 2 devices.
Discovery Options
- Layer 2 discovery period - select a discovery period from the dropdown menu to specify how often to initiate discovery requests. Choose Manually to collect Layer 2 information only when you choose.
- Now - click the Now button to perform a discovery and collect Layer 2 data immediately.
- Collect complete information about devices on the network - select this option to collect detailed information from SNMP devices. This may place significant CPU load on your switches and routers during discovery.
- Limit Layer 2 discovery to CDP and LLDP only - select this option to request only CDP and LLDP information from Layer 2 devices. This option reduces the CPU load on your switches during the discovery process. It has the effect of limiting discovery only to switches.