Network Host Device Configuration

Network Host driver provides support for a set of services that can be running on an IP network host. Refer to the Network Host chapter and its sections for detailed description of the driver, services and their configuration parameters. Here we'll discuss several important services and their configuration specifics you should pay additional attention to.

Ping service is essential for monitoring availability of network host. The default configuration parameters will be simply okay for most cases in practice. But for some specific circumstances you'll have to adjust timeout and possibly other settings.

SNMP monitoring is the most universal and widely used way to collect detailed information about particular devices, services and applications in your network.

For a particular SNMP-compliant device you should specify polling parameters. They are described in the SNMP Polling Settings section.

Network devices are often customized by administrators to meet security and other real-life requirements. Therefore you have to ensure that transport protocol, port, SNMP version, read/write community strings, security parameters and PDU size at Iotellect side correspond to agent's configuration.

Check also that communication parameters (command retries and timeout) conform the network conditions.

Polling parameters define:

• What kind of data Iotellect Network Manager will read from the device
• Polling period
• Value history storage rules

Data to be read is defined by Data To Process parameter. There are two options allowing to balance between data fullness/plenitude and performance penalty your system and network pay for that. If you use All values found by SNMP walk option, you'll get all the data this device provides via SNMP. It can be useful especially if you want to explore new type of device, reveal all the data it exports via SNMP, and add necessary MIBs to the system. But for many cases this will just pollute your system with excessive information, borrow additional memory and other resources resulting in performance degradation. Thus, All available values in MIB directory is the best choice for most cases.

Another important aspect of polling configuration is synchronization options. They define how often Iotellect Network Manager poll the device and particular SNMP variables the device provides. Again you have to find a good tradeoff between performance and information accuracy. Use synchronization options for the whole device (a part of Generic Properties) and for particular SNMP variables to configure polling according to your requirements.

Refer to particular service articles presented in Network Host chapter for details about their operation and configuration.

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