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Finding the network architecture for alarm transmission system LAN-RING
Mikšíček, Pavel ; Marada, Tomáš (referee) ; Zuth, Daniel (advisor)
This master’s thesis deals with a complex solution for the visualization of network topology. The first part of thesis describes the operation principle of LLDP protocol, which was chosen as a tool for retrieving informations from network traffic based on the requirement of the assignment. There is a detailed description of the LLDP protocol implementation in C language to METEL s.r.o. network products. The second part deals with possibilities of graphical interface in software SIMULand intended for managing network devices. It describes tools expansion process for the visualization of the network topology. In conclusion, the results of testing final solution are introduced.
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Monitoring Hybrid Net Infrastructure
Janda, Martin ; Plchot, Oldřich (referee) ; Smrž, Pavel (advisor)
This bachelor thesis follows developement of automatic monitoring system of devices in hybrid network for SELF servis company. System's purpose is to check availability by ICMP packets and to watch values by SNMP protocol. In this text you'll find description of requirements analysis, design of the system and implementation. In the last chapter follows results from real use and ideas for further development.
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Automation of MIB Files Import
Kožušník, Adam ; Bartík, Vladimír (referee) ; Kreslíková, Jitka (advisor)
This diploma thesis is about an automation of importing MIB files into MIB database. This work is written for SolarWinds company. The goal is to analyze current process of importing MIB files. Than design changes of existing tools for their use in the automation. Also design new tools, if they are needed. Designed system will be implemented in required programming language with suitable technologies. There will be consultations with responsible person from SolarWinds company during the whole work.
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Managing Mobile IP enabled networks with SNMP protocol
Závodný, Ondřej ; Vajsar, Pavel (referee) ; Skořepa, Michal (advisor)
The content of this thesis is to research possibilities of using SNMP for management of Mobile IP activated entities. The first two chapters deal with theoretical analysis of Mobile IP protocol, and Simple Network Management Protocol. The Mobile IP protocol analysis focuses especially on the elements Home agent and Foreign agent. In the SNMP chapter the analysis focuses mainly on ways to exchange messages. Another part of the document is devoted to a description of laboratory networks com- posed of routers Cisco 1841 and the configuration of them. Finally is described the programmed application to manager these devices in JAVA, which is included in Annex. The program periodically sends SNMP queries and finds relationships between the Home agent and the mobile nodes, and between the foreign agent and the mobile nodes. The application has a user-friendly interface that is shown on the attached flash animation. Finally, the thesis summarizes the concepts described in previous chapters and the goals to achieve.
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Cyberattack generator
Gajdušek, Ondřej ; Jeřábek, Jan (referee) ; Hajný, Jan (advisor)
This work deals with the enhancement of software which generates cyberattacks. These enhancements are focused on application layer of ISO/OSI model. The firsh part of the work contains general description of cyberattacks. Concrete attacks which this work is dealing with are described more concretely. Next part deals with describing generator software and its enhancement. The last part is describing testing of newly implemented cyberattacks.
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Monitoring of Ethernet network
Herman, Vít ; Hošek, Jiří (referee) ; Jeřábek, Jan (advisor)
The bachelor thesis deals witch possibility of monitoring active items of Cisco Company, VLAN networks built between them and utilization of particular lines. All the information about items is stored in MIB database. Designed and then implemented system uses pooling MIB database using SNMP protocol, to obtain required information. For application SNMP protocol, programming language Perl is used. Obtained and processed data are stored in MySQL database. Designed system is not dependent either on any platform or this implementation. All the technologies and tools used described in the thesis. In the thesis there is described and shown, how is possible pooling items including results of pooling.
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Administration and configuration of simplified database QoS MIB
Macura, Miroslav ; Matocha, Tomáš (referee) ; Hošek, Jiří (advisor)
The main aim of this work was to study the issue of the SNMP protocol and MIB database in order to focus on management and configuration of MIB database using the SNMP protocol. The Master's thesis in detail describes especially creating a communications model of the Manager - Agent type in an OPNET Modeler. In this modeling tool we created exchange of information from the side of the Manager to the side of the Agent via SNMP packets. The Master's thesis is mainly focused on the creation of the SNMP packet according to defined rules, then on reading of information from the MIB database on the side of the Agent and saves this information to the Manager’s MIB database. Exchange of informations is realized via the messages of type GetRequest, GetNext and GetResponse. These models are programmed in language C/C++ and then implemented into the environment of OPNET Modeler.
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Design and implementation of model architecture of MIB system database
Mikulica, Vladimír ; Hošek, Jiří (referee) ; Molnár, Karol (advisor)
The submetted work deals with the systems design and the implementation of the model database MIB. The work is the introduction into the protocol SNMP (Simple Network Management Protocol) and the database MIB (Management Information Base), which describes in detail branch MIB II. This branch is the current standard for the management of objects using SNMP. Consequently, there are explained different data types that the MIB database uses. Furthermore, the work describes the procedures for the design of the database MIB in the language of ASN. 1 according to RFC 2233 and the subsequent transfer of the MIB database, available through the compilers into the langure C. In the following chapters of the work, each of the models that were created in the simulated environment OPNET Modeler during the implementation of a comprehensive simulation scenario are documented more in detail. The above mentioned parts implement the communication between the manager and the agent. The state machine and the individual blocks of the model are described so that it could be later re-assembled by other candidates.
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