M01:
Introduction to Operating Systems
|
TU1: Installing,
configuring and exploiting a computer system
|
ASIX1-DAW1
|
Practical Exercise 3: Basic
network configuration
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23-10-2023
|
Task A2: Basic Network Configuration
GENERAL CONDITIONS
1- Deadline: 5-11-2023
2- Send your report attached to an e-mail with the
following specifications:
a) E-mail
address:
cf(at)collados.org or jordi.binefa(at)fje.edu depending who is your
teacher
b)
File Name:
b.1) ASIX1: asix1_surname_name_sm1act03.pdf and asix1_surname_name_sm1act03.odt
b.2) DAW1: daw1_surname_name_sm1act03.pdf and daw1_surname_name_sm1act03.odt
c) Subject:
c.1) ASIX1:
asix1_surname_name_sm1act03
c.2) DAW1: daw1_surname_name_sm1act03
3- Make
this report individually.
4- Left, right, top and
bottom margins: 2cm.
5- Character format: a)
Font:Arial, b) Size: 10, c) Questions typeface: Bold, d)
Answers typeface: Regular
DOCUMENTATION
1- Basic
network concepts (IP address, mask, gateway and DNS): https://www.dipolnet.com/what_is_the_ip_address_network_mask_gateway__bib538.htm
2- Local area network: https://en.wikipedia.org/wiki/Local_area_network
3- Private network and private IP address: https://en.wikipedia.org/wiki/Private_network
4- Private
vs Public IP addresses: https://www.avast.com/c-ip-address-public-vs-private#gref
5-
MAC (or hardware) address: https://slts.osu.edu/articles/whats-a-mac-address-and-how-do-i-find-it/
6-
Linux ip command examples: https://www.cyberciti.biz/faq/linux-ip-command-examples-usage-syntax/
PRACTICAL EXERCISE
FIRST
PART:
QUESTIONS
1.- Whats the main advantage of
working with Bridge Adapter on VirtualBox.
2.- What is a MAC (or hardware)
address
3.- What is an interface
identifier?
4.- What is an IP (and mask)
address
5.- What are the computers that
belong to your local area network?. What is
a Gateway
(also called
Router)?.
6.- What is a private and public IP
address?
7.- What are the values of IP and
mask you can assigned to private IP
addresses?
8.- What is a DNS server?
9.- What are the differences
between the Automatic (DHCP) and the
Manual network configuration methods.
10.- What is the Network Manager?
SECOND PART: SHOWING YOUR
NETWORK CONFIGURATION. TESTING
CONNECTIVITY
1.-
With the help of Network Manager
shows clearly:
a) Network Interface
identifier of your network card.
b) MAC (or hardware)
address of your network card.
c) IP address of your
computer.
d) IP address of the Gateway
(Router) on your local network.
e) IP addresses of the
primary and secondary DNS servers queried by computers
on your local network.
2.-
With the help
of Network
Manager
shows clearly
the
configuration Method of
your computer.
3.- With
the help of commands
shows clearly:
a)
The ethernet
interface identifier.
b) MAC
(or
hardware) address
of your ethernet
interface.
c) IP
address of your computer.
d) IP address of the Gateway (Router) on
your local network.
e) IP addresses of the primary and secondary DNS
servers queried by computers on your local network.
4.- With
the help
of commands
tests the
connectivity of your computer to:
a) The Gateway (Router) on
the school local network.
Is there connectivity?.
How do you know it?.
b) Primary DNS
server queried by computers on the
school local network. Is
there
connectivity?.
How do you
know it?.
c) IP
addres
172.20.1.1 on
the school
local network.
Is
there
connectivity?.
How do you
know it?.
d) www.google.com. Is
there
connectivity?.
How do you
know it?.
e) IP address 7.7.7.7. Is
there
connectivity?.
Why?.
5.- Find out the public
IP address of www.google.com.
How did you find out this
information?
THIRD
PART: BASIC
MANAGEMENT OF YOUR
NETWORK SETTINGS
1.- Manually
configure (take screenshots of each step)
your ethernet interface using Network
Manager:
- Step
1: Select Network Manager --> Edit
Connections --> Wired Connection 1 -->
IPv4 Settings
- Step
2: Configure your Ethernet inteface:
- Configuration
method: Manual
- IP
addres: 192.168.1.40 to
192.168.1.60 (An
IP will
be assigned
by the teacher
for each
student)
- Netmask:
20 (or
255.255.40.0)
- Gateway
(IP addres of your
Router):
192.168.1.1
- Primary
DNS: 80.58.0.33
- Secondary
DNS: 1.1.1.1
- Step 3: Save
your new
configuration ->
Close the Network
Manager
window.
- Step
4: Disable
the networking system using
Network Manager.
- Step
5: Enable
the networking
system
using Network
Manager.
2.- Show the new network configuration
of the ethernet interface with Network Manager.
3.- With
the help of commands
shows clearly:
a)
The ethernet
interface identifier.
b) MAC
(or
hardware) address
of your ethernet
interface.
c) IP
address of your computer.
d) IP address of the Gateway (Router) on
your local network.
e) IP addresses of the primary and secondary DNS
servers queried by computers on your local network.
4.- Configure
again (take
screenshots of
each step) your
network interface using
the Automatic
(DHCP) method
using
Network
Manager.
Afterwards,
show again the
network
configuration
with the help
of commands.