How to draw Layer 2 maps?
OpManager allows you to discover Layer2 devices that are connected to your network and draws a visual representation of the same. This includes a detailed map of all the nodes, interconnected layers and port-to-port connectivity in addition to the interfaces.
To start discovering your layer2 devices, go to Settings > Discovery > Layer2 Discovery. This process can also be initiated from Maps > Layer 2 Maps > Create New.
Enter a name in the Layer2 Map Name section and proceed to type the IPv4 of your seed device in the Router IPv4 Address section.
The seed router will be connected to a vast number of devices. If you wish to restrict your Layer2 Map to a certain IP range, enter their Start IP and End IP and press the ‘+’ icon. You can specify multiple such entries.
Discovery Mechanism:
OpManager supports multiple discovery protocols. Choose one (or more) that is implemented in your seed router/L3 switch. This will drastically reduce the time taken to discover the devices.
Schedule interval:
As changes happen to the networks frequently, OpManager allows you to configure an interval (in days) to re-draw the map. For instance, if a change happens once in a week, you can configure OpManager to re-draw the map every seven days.
Set Uplink Dependency:
This option helps in avoiding multiple device-down alerts when the parent device is down. Besides the layer2 discovery window, Uplink Dependency can also be set from the Quick Configuration Wizard.
Credentials:
Choose the SNMP credentials required for the seed router to identify the devices. You can add new credentials from the Add Credentials button.
To learn how to customize your layer 2 Map, click here.