Tool; Chapter 6 Tool; Device Discovery; Automatic - ZyXEL Communications ENTERPRISE NETWORK CENTER Manual

The tool help to find devices, check device connectivity, group devices that have similar
configurations, upload private MIBs to the ENC, monitor specific performance on devices, and
manage device logs.

6.1 Device Discovery

Devices can be discovered automatically or manually.

6.1.1 Automatic

Automatic discovery lets you search devices or networks from the specified seeds that you
configured. A seed is the IP address of a host in the ENC's network or a remote network. The ENC
can learn other networks through a router's routing table if you configure the same SNMP
community on both the ENC and the router. By clicking the Discover button in the Tool > Auto-
Discovery screen, you can start an automatic discovery process. All devices automatically
discovered are added to the networks to which they belong in the OTV panel.
You can perform automatic discovery through SNMP messages, and/or ping (ICMP). The Auto-
Discovery screen also allows you to configure status and service polling to update the latest status
of managed devices and the list of different services managed devices provide.
The ENC adds all subnets and then devices according to your seed/IP range settings. The ENC stops
an auto-discovery process if it has reached the maximum number of devices it can supports
according to the license the ENC is using.
The ENC uses the SNMP GET method to differentiate a device's type (Host, Switch, Firewall,
Wireless AP, Router/Gateway, Wireless Controller, IP PBX, IP Phone, Peripheral, and
Others). If the ENC does not receive a device's SNMP response (for example, when you configure a
different SNMP community on the ENC) but the ENC receives a ping response from the device, the
ENC will assign the device to the Host type. If the ENC receives the device's SNMP messages but
fails to get the device's type, the ENC will assign the device to the Others type.
After using Auto-Discovery, the ENC uses devices' IP addresses as their display name in the ENC.

6.1.2 Manual

To manually add a device or network to your network, you must know what type of device it is and
its IP address. Right-click the Root Subnet or a network in the OTV and then click Add Network
or Add Device. See the Quick Start Guide for a configuration example.
ENC User's Guide
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