Lab 2.5.2 Monitoring Network Performance

Step 1: Configure network connectivity
a. Connect the devices in accordance with the given topology and configuration. Your instructor may substitute Discovery Server with an equivalent server for this lab.
b. See your instructor regarding device configuration. If the devices are not configured from the Admin PC, establish a terminal session in turn to each switch and the router using HyperTerminal or TeraTerm. Configure these devices in accordance with the configuration details provided.
c. Ping between all devices to confirm network connectivity. Troubleshoot and establish connectivity if the pings fail.

Step 2 Set up Cisco Network Assistant
a. From the Admin PC, launch the Cisco Network Assistant program.
b. Set Cisco Network Assistant to discover the network. Establish a “community” of devices.
1) From the Application menu, select Communities.
2) In the Name field, enter FilmCompany.
3) From the Discover drop-down list, select Devices in an IP address range.
4) Enter the start and end addresses of the router and two switches.
Start IP address ________________________
End IP address ________________________
c. Display the network topology and add the found devices to the community.

Step 3: Monitor network traffic
Examine the different bandwidth graphs for the network devices and determine what graphs are the most useful for monitoring network traffic at this stage.
a. Use PC1 to generate network traffic.
b. Ping and telnet to Discovery Server.
c. Open the Discovery Server home web page in a browser on PC1.
d. Use FTP to download a file from Discovery Server.

Step 4: Review the data
Typical network monitoring would be performed over a period of time. Discuss with other students and record here what conclusions could be drawn from the limited information monitored in this lab. What area do you think requires more investigation before the information would be useful in planning a network upgrade?

Step 5: Clean up
Erase the configurations and reload the routers and switches. Disconnect and store the cabling. For PC hosts that are normally connected to other networks (such as the school LAN or to the Internet), reconnect the appropriate cabling and restore the TCP/IP settings.

Step 6: Reflection
The usefulness of monitoring network traffic and performance is maximized when the full range of network usage and service situations has been recorded. Consider and discuss when recorded network performance data should be considered for network design purposes and occasions when it should not be included.
Memastikan peristiwa luar biasa yang berefek terhadap lalu lintas jaringan dan kinerja yang tidak termasuk kriteria misalnya darurat sipil. Rentang waktu pemantauan perlu mencakup semua siklus bisnis puncak dan siklus bisnis non-puncak.

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