Network Management Tools

7/31/2019 Network Management Tools

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NETWORK MANAGEMENT TOOLS

Allows the administrator to know the health status

of the network.

They are necessary for troubleshooting of problems

in networks and detect problems

or failures and notify the various alarm.

Uses network probe. Probes let you isolate traffic

problems and congestions slowing your network to

a crawl.


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NOC TOOL CATEGORIES


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FUNCTIONAL ROLE OF MANAGEMENT

TOOLS

ALARM - A reporting/logging tool that can betriggered by specific events with a network.

ANALYZER A traffic monitoring tool thatreconstruct and interprets protocol messages that

span several packets. BENCHMARK A tool used to evaluate the

performance of network components.

CONTROL- A tool that can change the status or

state of a remote network resource. SECURITY- A tool for analyzing or reducing

threats to security

MAP- A tool that can discover and report a systemtopolgy or configuration


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GENERATOR- A traffic generation tool.

MANAGER- A distributed network management system

TRAFFIC- A tool that monitors packet flow.

ROUTING- A packet route discovery tool.


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RESOURCESAND COMPONENTS MANAGED

BY TOOLS

BRIDGE- A tool for controlling or monitoring LAN

bridges.

DNS- A domain name system debugging tool.

ETHERNET- A tool for controlling or monitoringnetwork components on ETHERNET LAN

FDDI- A tool for controlling or monitoring network

components on FDDI LAN or WAN.

NFS- A network file system debugging tool. SMTP- An SMTP debugging tool.

OSI- A tool for controlling or monitoring

implementations of the OSI protocol.


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MECHANISMUSEDIN MANAGEMENT TOOL

CMIS Common Management Information System

CURSES- A tool that uses the curses tty interface

package.

EAVESDROP- A tool that silently monitorscommunication media.

NMS- The tool is component of or queries a

network management system.

X- A tool that uses X windows. RMON- A tool that employs the RMON extensions

to SNMP.


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OPERATING ENVIRONMENT

DOS- A tool that runs under MS-DOS.

HP- A tool that run on Hewlett-Packard systems.

MACNITOSH- A tool that runs on Macnitosh

personal computers. SUN- A tool that runs on Sun Microsystems

platforms.

VMS-A tool that runs under DECs VMS operating

system.


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SNMP MIB TOOLS

There are three types of SNMP MIB tools

1. SNMP MIB Browsers.

It uses the browser interface and can be used on any

platform supporting a web browser. SNMP COMMAND LINE Tool

SNMP command line tools are available for either the

UNIX or LINUX. The command line tools are basically

the SNMPv1 message get, get-next, set,get-responseand trap.

LINUX/Free BSD-based tool which is useful for

reading the SNMP PDUs.


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PROTOCOL ANALYZER

Analyzes data packets on any transmission line

including LAN

Measurements made locally or remotely

Probe (data capture device) captures data andtransfers to the protocol analyzer (no storage)

Data link between probe and protocol analyzer

either dial-up or dedicated link or LAN

Protocol analyzer analyzes data at all protocollevels


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BASICCONFIGURATIONOFAPROTOCOL

ANALYZER


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ARGUS

Argus is a system and network monitoringapplication.

It will monitor nearly anything you ask it to monitor(TCP + UDP applications, IP connectivity, SNMP

OIDS, Programs, Databases, etc). It presents a nice clean, easy to view web interface

that will keep both the managers happy (Red Bad.Green Good.) and the techs happy ("Ah! that's whatthe problem is").

It can send alerts numerous ways (such as viapager) and can automatically escalate if someonefalls asleep.


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FEATURES

It is open-source available at no charge.

It has a clean and intuitive web interface.

The web pages can easily be understood by non-

technical people. It can generate graphs of what is going on.

It can monitor network connectivity (Ping test)

It can monitor TCP/UDP ports

It can monitor a wide variety of TCP/UDPapplications (HTTP, SMTP, RADIUS, ...)


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Documents

Network Management Tools