This feature is only available to the Early Access Program (EAP) customers. For more information, see Early Access Program.
In the Polling Configuration step, specify the following:
SNMP Collection: Enable this to execute SNMP protocols to discover and collect information such as traceroute/path collection, vendor and model, SNMP credential collection, routing and ARP tables, switch port data, and VLAN configuration data. If you disable SNMP collection, previously discovered data remains available for new data is added and no existing data is removed.
Some devices may not support SNMP, and some devices may not enable SNMP by default.
Note that when you disable SNMP collection on a network with enabled discovery, Network Insight still attempts to authenticate the SNMP credentials of devices that are newly discovered under this network. All newly discovered devices are automatically bound to a default group with enabled SNMP collection.CLI Collection: Enable this if you expect to use Network Insight to discover devices that support CLI connectivity through Telnet or SSH, and that you possess admin account information. NIOS can use device admin account logins to query network devices for discovery data collection, including IP configuration, port configuration, routing and forwarding tables, and much more.
Note that for SNMP and CLI Collection methods, ensure that you configure device polling credentials in the Credentials tab of the editor.
Smart IPv4 Subnet Ping Sweep: Enable this to execute Ping sweeps only on subnetworks that are known to exist but no IPs can be found within the subnet, such as through ARP or other means.
Auto ARP Refresh: Enable this to enable refreshing of ARP caches on switches and switch-routers in the managed network before NIOS performs polling of switch ports. Enabling this feature applies only to switched Ethernet devices. This feature enables more accurate detection of all endpoint devices on L2 switches. Without ARP refresh, some endpoint devices may not be detected. This feature is globally disabled by default. Individual ARPs can also be set to enable or disable this feature.
NetBIOS Scanning: Select this to enable NIOS to collect the NetBIOS name for endpoint devices in the network. This feature can be enabled only by users with SysAdmin privileges. This feature is globally disabled by default (and also for device groups) to prevent unexpected scanning of the network by a new collector.
Route Collection Priority
SNMP with CLI fallback: Choose this to use SNMP as the collection method and CLI as the fallback for route collection.
CLI with SNMP fallback: Choose this to use CLI as the collection method and SNMP as the fallback for route collection.
ARP Collection Priority
SNMP with CLI fallback when unknown CLI credentials: Choose this to collect ARP data from devices with the CLI when Network Insight has the appropriate access credentials for the active network device.
CLI with SNMP fallback with no data:
Switch Port Data Collection: Enter this to poll L2 enterprise switches. You can completely disable switch port polling by disabling this option. You can also separately schedule polling for switch port data collection as follows:
Collection Priority: Choose SNMP or CLI as the collection priority for switches.
Periodic Polling: Define regular polling time periods. Choose a polling interval in minutes. The default is 10 minutes.