|
|
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.
|
|
|
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.
|
|
|
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.
|
|
|
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.
|
|
|
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.
|
|
|
Monitoring Service Properties of an IPFIX Collector
Kala, Jan ; Žádník, Martin (referee) ; Wrona, Jan (advisor)
This bachelor's thesis addresses possible ways of monitoring IPFIX collector, which is used for the collection of metadata about network traffic. The thesis briefly introduces the pro- blematics of monitoring and describes the current state of IPFIX collector, which is being developed by an organization called CESNET. It also describes service properties, which can be monitored during the process of data collection using the IPFIX protocol. A new plugin is described, which is intended for the collection and the export of service properties. The thesis describes an implementation and contains results of testing of the new plugin.
|
|
|
Monitoring the operation of local internet networks
Papež, Nikola ; Bartl, Milan (referee) ; Verner, Lukáš (advisor)
This thesis deals with issues of traffic monitoring of local internet networks. Attention is paid to describing main functions and methods of network monitoring, consequently standards for monitoring such as SNMP protocol, WMI service or Cisco NetFlow methods. There are also described some other basic tools with open source licence used for monitoring. The main contribution of this thesis is clarification and subsequent usage of these methods for monitoring on VUT network. For this intermediation was used Nagios tool which used Nagios tool which provided feedback about the status of devices together with the own programmed plugin and tool Cacti which collected data from these devices and created graphical dependencies.
|
|
|
A System for Monitoring Status of Network Links via SNMP
Zubčák, Peter ; Trchalík, Roman (referee) ; Rychlý, Marek (advisor)
The goal of the bachelor thesis is an implementation of the system for monitoring status of network links. System collects information from network nodes, from which calculates metrics and statistics, which are available for users in MIB. The communications with network nodes is proceeded by SNMP protocol. The system is implemented in C++ language as a multiplatform service.
|
|
|
Implementation of service functions for work with MIB database in simulation environment OPNET Modeler
Ruml, Martin ; Skořepa, Michal (referee) ; Molnár, Karol (advisor)
Implementation of service for work with MIB database is subjeckt the bachelor’s thesis. MIB database is system database which is instrumental for storage of control informations in network elements. A first chapter is instrumental like a introduction to the control computer networks. A second chapter describes the basic features of protocol SNMP. The protocol SNMP is a standardized application protocol which uses for a transmission control informacions from and to the system database MIB. The protocol is based on a draft manager-agent when the manager is mostly active who enquire of the agent for the values of concrete items. A next chapter deals with a structure and standards for the MIB database. It describes a basic enbranchment among the administrative organizations. A main part of working is devoted to a proposal and a implementation of servece functions MIB database. The main requirements for the MIB database in light of a cooperation with the protocol SNMP are identified in this chapter. These processes are trained-in to the experiment implementation of MIB database. The implementation is written in C++. A header file of the classes and supportive functions who implement basic mechanisms of MIB database and its methods for a tender the database created from the proposal. The header file contains the several processes for an easement of cooperation MIB database with the application protocol SNMP, too. A final chapter shows the using of designed classes. The created programe is equipped with a graphics interface who uses the functions for a local access. Very easy modul for the comunication with the database through the messages of SNMP is among next shown functions in the programe.
|
|
|
Implementation of a simulation model for a simplified DiffServ-MIB database
Zeman, Otto ; Hošek, Jiří (referee) ; Molnár, Karol (advisor)
The aim of this work is to propose feasible solution for the simulation of the SNMP (Simple Network Management Protocol) protocol in the OPNET Modeler simulation environment. This work describes in detail individual procedures, which were chosen for this simulation . The work also contains an introduction to the OPNET Modeler simulation environment, the SNMP protocol, the DiffServ model and the DiffServ-MIB database. The main part of this work describes the algorithms programmed to model the functions of the SNMP protocol. Source codes of the algorithms programmed are included as well. The work deals especially with the functions for obtaining values from different levels of a multilevel model attributes, packet creation functions with dynamically changing length of user-data field, for the implementation process of a simplified DiffServ MIB database and with the functions for statistic creation.
|
guest ::
