Discovering Networks Using OpManager

 

You can discover devices on a network by either specifying a range or the entire network

OpManager uses ICMP/Nmap to discover the devices on a network.

 

Discover a range

 

To discover devices from a selected range specify the start and end ip address and select the netmask for the devices to be discovered within that range.

  1. Click the Admin tab.
  2. Under Discovery, select Discover Devices.
  3. Use IP Range: Select this option to specify the range.
  4. Start IP: Specify the IP address of the device in the range from where OpManager should start discovery.
  5. End IP: Specify the IP address till which OpManager should discover.
  6. Netmask: Select the correct netmask.
  7. Discovery Credentials: Select the configured Credentials to be used for discovery.
  8. Advanced SNMP Settings: Click here to configure an increase SNMP timeout or SNMP retries.
Discover a complete network
  1. Use CIDR: Select this option to discover an entire network.
  2. Network IP: Specify the Network IP to be discovered.
  3. Credentials: Select the credentials and SNMP settings as mentioned above.
  4. Click Discovery for the discovery to start.

Discover by Importing from a file

 

You can import a set of IP addresses for discovery from a csv file.

  1. Create a csv file with the details of name/ipaddress of the device, displayname etc.
  2. Browse and select the CSV file from which you want the devices discovered and imported.
  3. Click here to view the CSV file.
  4. Provide the correct netmask.

Import the Devices into OpManager

 

All the discovered devices are listed category-wise.

  1. Click Import Devices to add all the devices for monitoring.
  2. Click Finish once the devices are added.

 


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