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The process of creating a network map in the LANState program. Tasks for a practical lesson

The program is included in single register Russian programs Ministry of Communications.

Latest version of the program: 3.4

Language: Russian

Supported OS: Windows XP/2003/Vista/2008/7/8.1/2012/10/2016

Test period: 30 days

Demo version limitations: Within 30 days trial period you cannot export more than 10 devices to MS Visio. On the background of the diagram, the inscriptions "DEMO" are displayed. There are no other restrictions (except for the registration reminder window) - you can scan the network without restrictions on the number of devices. After the expiration of the test period, the program will stop working. You will be able to pay for the license and, having received registration key, continue using the program, or remove it from your PC.

- 10-Strike: Network Diagram Wins Awards You are in the "BestSoft 2010" competition held by PC Magazine in 2010!

Program installation: The program does not make any special changes to the system. To install the program, download the file from our website and run it. Click "Allow" and follow the instructions of the Installation Wizard by clicking the "Next" button.

Removing the program: You can uninstall the program standard means, provided in Windows OS (via "Control Panel" -> "Uninstall Programs", or use the shortcut to uninstall the program in its folder in the Start menu).

For legal entities when paying by bank transfer, it is issued full set documents for accounting and sent by mail (invoices, supply agreement, act of transfer, etc.).

Designing local computer networks. structured cable system »

Goal of the work: learn how to design a computer network.

Educational results declared in the third generation of the Federal State Educational Standards:

The student must

be able to:

Apply standard methods to protect objects.

know:

Basic methods of work in computer networks;

Technologies for data transmission and exchange in networks;

Informational resources computer networks.

Tasks for practical session:

1. Creating local network diagrams in the program 10 Strike: Network Diagram

10-Strike: Network Diagram - program creating local network diagrams, which allows you to detect network devices and place them on a schematic map. Website developers - http://www.10-strike.com/rus/download.shtml. Program contains an icon library network devices, which allows you to draw diagrams for a term paper or a diploma in it. If the protocol is supported on the network SNMP, That program will draw links between devices automatically. In other words, in this program, you can create a circuit local network manually or automatic mode. Program scans the network topology and displays all network devices graphically. It remains only to edit the network diagram - to finish the missing links, apply inscriptions, apply the desired color to the drawings.

Practice in the program

Starts automatically on first start Creation Wizard new card networks(Fig. 8.1). During the Network Mapping Wizard, select desired option computer search:

· Scanning a range of IP addresses. If you have a large switched network, then this scanning method is recommended. But it is quite long in time.

· Import from network environment. This method works somewhat faster, and the program will automatically divide the found computers into their workgroups or domains.

Rice. 8.1. Launching the New Network Map Wizard

Rice. 8.2. Set the range for scanning the local network

Rice. 8.3. Set network scan options

Rice. 8.4. Selection of PCs for their placement on the network map

Rice. 8.5. Window for saving the network map to a file

Click on the button Ready(Fig. 8.6).

Rice. 8.6. Network map built

Now, if you wish, you can edit it (Fig. 8.7).

Rice. 8.7. Network map edited

Note

Internet is full big amount dangerous programs actively wanting to infiltrate your computer system. For guard operating system from such threats and was created firewall (firewall or firewall). The main purpose of this program, which prohibits or restricts their access to the Internet, is to manage network activity applications. Many software products immediately after installation on a PC, on their own, without your knowledge, they begin to visit the Internet and update themselves. If a firewall is used, then such activity will definitely be noticed by the user and will be controlled by him.

tracing

You can trace in the program, we will trace the provider Internet(Fig. 8.8).

Rice. 8.8. At the first step of the Wizard, select the radio button Tracing

Rice. 8.9. We add the provider to the program using the Add button

Rice. 8.10. Everything is fine, the waiting interval has not been exceeded anywhere

On last step Masters will be built graphics card networks (Fig. 8.11).

Rice. 8.11. Network map from the user's PC to his Internet provider. On the map we see five clusters.

cluster - group computers united by high-speed communication channels and representing from the user's point of view a single hardware resource. Clusters are often created to create a fault-tolerant system (Figure 8.12). For example, initially one works server (RAID 1) if software or hardware failure, then the second server (RAID 2), and special service installed on these servers quickly resumes the user after a crash.

Rice. 8.12. Figure explaining the term “Cluster”

Task 1. Draw in the program 10 Strike Network Diagram a diagram of the enterprise network as in Figure 5.13. Explain what devices are present on this network and how they work.

Program 10 Strike Network Diagram has a library of network devices, areas and lines. Apply them in order to repeat the drawing below.

Rice. 8.13. Enterprise network diagram

Note

In terms of its capabilities, the 10-Strike program: Network Diagram is similar to Lan program State Pro, designed to administer and monitor a computer network. Lan State Pro, like 10-Strike: Network Diagram, can create a network diagram automatically (Figure 8.14).

Annotation: In the lecture, we will consider network programs for creating local network diagrams, administering, monitoring and inventorying computer networks. More precisely, two programs of this class network programs, intended mainly for system administrators, as well as for students doing course projects and diplomas in computer networks. It's about about 10 Strike: Network Diagram and EDraw Network Diagrammer. It cannot be said that we will study these programs thoroughly, most likely it will be small review programs of their capabilities in order to interest the user for their further practical study.

1. Creating local network diagrams in the program 10 Strike: Network Diagram

10-Strike: Network Diagram- a program for creating local network diagrams that allows you to detect network devices and place them on a schematic map. Developer site - http://www.10-strike.com/rus/download.shtml. The program contains a library of icons for network devices, which allows you to draw diagrams for a term paper or a diploma. If the network supports the SNMP protocol, then the program will draw connections between devices automatically. In other words, in this program you can create a local network diagram in manual or automatic mode. The program scans the network topology and displays all network devices graphically. It remains only to edit the network diagram - to finish the missing links, apply inscriptions, apply the desired color to the drawings.

Practice in the program

Starts automatically on first start New Network Map Wizard(Fig. 8.1). During the Network Map Creation Wizard, select the desired option for searching for computers:

  • Scanning a range of IP addresses. If you have a large switched network, then this scanning method is recommended. But it is quite long in time.
  • Import from network environment. This method works somewhat faster, and the program will automatically divide the found computers into their workgroups or domains.


Rice. 8.1.


Rice. 8.2.


Rice. 8.3.


Rice. 8.4.


Rice. 8.5.

Click on the button Ready (

many system administrators often you have to face a situation where you need to quickly find out which devices are connected to the local network of the enterprise, as well as draw a diagram of the topology of this network. Yes, there are many packages graphic modeling, but drawing up a local network diagram manually can take a lot of time, especially if the network structure itself is unknown, what is included in it, how and to what the devices are connected. You have to bypass the company's switches, determine the ports for connecting computers, other switches and other devices ... The program from the Russian developers of network programs "10-Strike: Network Diagram" 2.5 can help in this situation. It will automatically scan the specified range of addresses on the network, find all available devices, determines their type and properties, and also builds connections between them if there are switches with the SNMP protocol enabled.

The program "10-Strike: Network Diagram" 2.5 has a built-in LAN scanner that allows you to find and recognize a large number of devices on the organization's network. Scanning is performed using most commonly known network protocols such as ICMP, TCP, UPnP, SNMP, ARP. With intelligent recognition algorithm various types network devices, the scanning module of the program can determine which of the found hosts are workstations, network and local printers, servers (file, web or database), routers, switches, webcams or hotspots WiFi access. WITH managed switches read information from the routing table SNMP protocol) about what is connected where. Using the received data, the program builds a topological diagram and connects the found devices with connections. After creating a beautiful network diagram, the user can print it or copy it to the clipboard and paste it into another document. You can export the resulting scheme to a popular graphics program Microsoft Vision.

However, if there are no "smart" switches in your network and it was not possible to build connections automatically, then you should not be upset. Connecting the found devices with lines is not difficult at all thanks to the advanced graphics editor programs. Available extensive library vector images various types of devices that can be added to the diagram.

The new version of the program 2.5 works much faster previous versions. The schematic editor has been improved and optimized to speed up bulk move and copy operations. Compared to the above Microsoft package Visio work in "10-Strike: Network Diagram" 2.5 co complex schemes, containing hundreds and thousands of elements, is many times faster.

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