Configure auto discovery of network devices

Procedure

1. On the Responder navigation pane, click Network Devices.
2. On the Network Devices screen, click Discover.
3. On the Discover Network Devices dialog, select options for the following:
   • Search Method — Select Subnet and enter an IP Range, or select Cisco Discovery Protocol and enter a router.
   • SNMP — Enter a port number, select a version, and then click OK.
4. Select the device or devices to include, and then click Add.
5. On the Active Responder Options tab, select options for the following:
   RADIUS Options

   • Use RADIUS Authentication
   • Enforce switch actions using RADIUS
   • Prefer VLAN symbolic name over ID

   Device Usage

   • Use this device for IP to MAC Correlation
   • Use this device for Access Control
6. Click Next, or select SNMP Settings.
7. On the SNMP Settings tab, select the appropriate SNMP Settings:
   • Community-based Security Model
   • User-based Security Model
8. Click Next, or select Telnet Settings.
9. On the Telnet Settings tab under the User Authentication area, enter the administrative username and password for the selected access device(s).
10. On the Telnet Settings tab under the Connection Settings area, select the Session Timeout and the Telnet Port to use for the connection.
11. Click Finish. The selected device(s) are added to the Network Devices table.