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TOC

IP Scanner Tool

Introduction

The IP Scanner Tool is used to discover existing host in an IP address range. This one is very useful to discover hosts that do not use a router and therefore have no  arp entries in its table. It could be used to discover hosts on network portions where SNMP is not authorized or activated.

In summary it could be started for a one shot discover .It optionally fills the Directory with new discovered objects.

Remark: If you want to add the new discovered objects in a specific container, you should preliminary select it in the Directory. If you start it with a network object as default object, the IP address range will be automatically set with the right value.

Example

From the contextual menu of a network object, select the option:

IP Scanner


IP Scanner

The IP Start Address field and IP Stop Address field are set with the right IP address range.

The scanning could be performed either with the ICMP (Ping) or the SNMP version V1/V2c protocole.

If you check the ‘Snmp Scan’ option, the process will use RO Snmp Community to carry out the request.

If you want that the discovered hosts are inserted in the Directory, you should check the ‘Add / Update Hosts Database’ option.

Table of options of the  IP Scanner tool

Options

functions

Add/Update Entry

If this option is checked, the discovered hosts will be added to the Directory.

Remark: If this option is not checked, the other options of the  ‘Add /Update Hosts Database’ zone are not used.

DNS Resolve

The tool tries to resolv the host name with a DNS query.

Remark: This option slows down the scanning drastically.

Put In Network If Exist

If a network container with the right IP network already exists in the Directory, dicovered hosts are directly put in it.

Remark: Regarding the network mask used,  it is thus possible to have assignation errors.

Icmp Polling

Created hosts will be polled with ICMP ( each 60 s)

Snmp Polling

Created hosts will be polled with SNMP ( each 60 s)

Enable Discover Scanning

Hosts will be used by the Discovered process

Remark: Read the chapter discussing about the Discover process for more details.


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