Description

Assignment – 1

The aim of this assignment is to make you familiar with basic network commands and tools.

1. Read the man pages of ifconfig, ping, traceroute, arp, dig, nslookup, and netstat and write their utilities in brief.

2. Find the IP and hardware addresses of your machine using ifconfig command.
(1+1=2)
3. Use ping <AnyURL> command and find out
i. the average RTT (round trip time).
ii. the %packet loss. iii. size of packet that is sent to <AnyURL> server.
iv. size of packet that is received by your machine.

4. Use dig <AnyURL> command and find out
i. the IP address of <AnyURL>.
ii. the IP addresses of DNS servers.

5. Use traceroute <AnyURL> and find out
i. number of hops in between your machine and <AnyURL> server.
ii. the IP address of your network gateway of your subnet.

6. Use arp command to find out the MAC address of the device that is performing as your network gateway.

7. Use nslookup <AnyURL> command and find out the IP address of <AnyURL>.
Use nslookup <IP address> command and perform reverse domain lookup.

8. Use netstat command and find out the active connections of your machine.