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Running program builder scheme of a network.

Program Neb consists of two parts: the scanner and builder of the scheme of network Neb.jar.

 Program for viewing and editing of the scheme of network Neb_viewer.jar

On all scanned units it is necessary to create SNMP community RO (read).

Before start of program Neb it is necessary to edit a file of a configuration neb.cfg according to your requirements.

Structure and parameters of a file of a configuration neb.cfg the following:

scanning - networks which needs to be scanned. Through a comma the list scanned subnets. exclude - networks which needs to be excluded from the list of scanning.
map_file - a name of a current file with the scheme of a network.
community - SNMP community string.
scan_mode - set mode scanning

  • fast - the fastest mode of scanning. Quickly scans, but it is a lot errors.
  • normal - optimum on time and accuracy of construction of the scheme of a network a mode of scanning.
  • slowly - big time of scanning and thus very high accuracy of construction of the scheme of a network.

host_time_live - this parameter shows how many days to store the information on connection of client computers.
history_map - this parameter defines a folder in which schemes of a network for the last days will be kept.
history_num_days - this parameter shows for how many the last days to store schemes of a network.

To start program Neb for map development of a network by means of a command

java –jar Neb.jar

This program running big time enough 1-8 hours (depending on a mode of scanning) and the size of a scanned network and capacity of a computer on which construction of the scheme of a network is carried out.

To start program Neb map viewer for viewing and editing of the received scheme of a network:

java –jar Neb_viewer.jar, or    Neb_viewer.exe (in Windows)

If it was the first scanning a network you will see very confused scheme of a network. What it to correct press button Edit panels of tools and change the scheme as it is pleasant to you.

In mode Edit you also can add and delete new units, links and comments, to change icons for routers and switches, change properties of links.

After change of the scheme of a network keep these changes.

In the further, at following starts of the program the scheme of a network will be presented in that kind in which you have kept it.

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