Owners Manual

Field Description

Import Select this option to import host names and IP

addresses from a file that is in CSV format.

However, you can import only 500 line items per

task. You can import different discovery ranges

with different subnet masks. For example,

192.168.10.10, 255.255.255.128, 10.10.1.1,

255.255.0.0, and 172.16.21.1, 255.255.128.0.

You can use an Active Directory export file in

a.CSV format as input. You can also create a .CSV

file in a spreadsheet editor using the header Name

and filling in system IP addresses or host names in

the rows below the header (one per cell). Save the

file in a .CSV format and use it as the input with the

import feature. If there are any invalid entries in the

file, a message is displayed when the data is

imported by OpenManage Essentials. For an

example of a CSV file, see Specifying IPs, Ranges,

or Host Names.

ICMP Configuration

ICMP is used to by discovery engine to determine whether or not any device has a specified IP address.

The discovery engine sends out a request and waits until the 'timeout' period to receive a reply. If a device

is busy doing other things, it may not reply to an ICMP request as quickly as it would under low-load

conditions. If no device has been assigned to the IP address being tested by the discovery engine, there

will be no response at all. If no reply is received within the 'timeout' period, the discovery engine will

repeat the request up to 'Retries' times (waiting, each time, for the 'timeout' period to expire). See ICMP

Configuration Options to configure the ICMP parameters.

For more information, click

- (Why do I need this?) help.

ICMP Configuration Options

Field Description

Timeout (milliseconds) Specifies the maximum number of milliseconds

the discovery engine waits for a reply after issuing

an ICMP request. The default timeout period is

1000 milliseconds. A higher value allows more

time to receive responses from busy devices, but

also means more wait time if there is no device

with a specified IP address.

Retries (attempts) Specifies the maximum number of additional times

that the discovery engine will send an ICMP

request if the first request times out. A device may

have been too busy to respond to an earlier ICMP

request, but may be able to respond to a

subsequent request. If there is no device with the

IP address being used, retries will also timeout, so

the retry count should be a small number. The

default value is 1.