CSIS 330 – Lab 11 Troubleshooting.pdf | CSIS 330 - Business Data Communication Systems

Part I: Netstat Syntax

Command Description

Example:

netstat -a Displays all connections and listening ports

netstat -n Displays addresses and port numbers in numeric form

netstat interval Redisplays statistics every 5 second. Press Ctrl-C to stop redisplaying statistics.

Netstat -q Shows connections for the TCP protocol

Netstat -f Displays fully qualified domain names for foreign addresses.

Netstat -r Displays the routing table.

Part II: NetStat Routing Table

Screenshot #1:

CSIS 330 – Lab 11: Troubleshooting–

OS Command Line Tools

Answer Template

Question #1: What does this table show you?

This table provides information about the active routes including the network destination, netmask,

gateway, interface and metric.

Part III: NetStat Output

Screenshot #2:

Questions:

1. How many active opens were recorded? 869510

2. How many failed connection attempts were recorded? 559065

3. How many segments were received? 387660958

4. How many segments were sent? 185924602

5. How many segments were retransmitted? 1170737

Part IV: IPCONFIG

Screenshot #3:

Questions:

1. What is your IPv4 address?

192.168.137.1

2. What is your subnet mask?

255.255.255.0

3. What is your default gateway address?

192.168.1.1

Part V: PING

Screenshot #4:

Questions:

1. Were you able to ping this address?

Yes I was.

2. How do you know?

All of the packets sent were successfully received.

3. How many packets were sent?

Four packets were sent.

4. How many packets were received?

Four packets were received.

5. How many packets were lost?

Zero packets were lost

Part VI: TRACERT

Screenshot #5:

Questions:

1. Was the trace successful? Yes, it was successful.

2. If the trace was successful, how many hops were performed to reach the destination? Only one

hop was made.

CSIS 330 – Lab 11 Troubleshooting.pdf

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