Information tec2 | Computer Science homework help

Lab – Building a Simple Network
Topology
Addressing Table
Device Interface IP Address Subnet Mask
PC-A NIC 192.168.1.10 255.255.255.0
PC-B NIC 192.168.1.11 255.255.255.0
Objectives
Part 1: Set Up the Network Topology (Ethernet only)
Part 2: Configure PC Hosts
Part 3: Configure and Verify Basic Switch Settings
Background / Scenario
Networks are constructed of three major components: hosts, switches, and routers. In this lab, you
will build a simple network with two hosts and two switches. You will also configure basic settings
including hostname, local passwords, and login banner. Use show commands to display the running
configuration, IOS version, and interface status. Use the copy command to save device
configurations.
You will apply IP addressing for this lab to the PCs to enable communication between these two
devices. Use the ping utility to verify connectivity.
Required Resources
2 Switches (Cisco 2960)
2 PCs
Console cables to configure the Cisco IOS devices via the console ports
Ethernet cables as shown in the topology

Part 1: Set Up the Network Topology (Ethernet only)
In Part 1, you will cable the devices together according to the network topology.
Step 1: Connect the two switches.
Connect one end of an Ethernet cable to F0/1 on S1 and the other end of the cable to F0/1 on S2.
You should see the lights for F0/1 on both switches turn amber and then green. This indicates that
the switches have been connected correctly.
Step 2: Connect the PCs to their respective switches.
a. Connect one end of the second Ethernet cable to the NIC port on PC-A. Connect the other end of
the cable to F0/6 on S1. After connecting the PC to the switch, you should see the light for F0/6
turn amber and then green, indicating that PC-A has been connected correctly.
b. Connect one end of the last Ethernet cable to the NIC port on PC-B. Connect the other end of the
cable to F0/18 on S2. After connecting the PC to the switch, you should see the light for F0/18
turn amber and then green, indicating that the PC-B has been connected correctly.
Part 2: Configure PC Hosts
Step 1: Configure static IP address information on the PCs.
a. Use the following IP address to manually enter an IP address for PC-A and a subnet mask.
IP address 192.168.1.10
Subnet Mask 255.255.255.0
b. Use the following IP address to manually enter an IP address for PC-A and a subnet mask.
IP address 192.168.1.11
Subnet Mask 255.255.255.0
Step 2: Verify PC settings and connectivity.
Use the command prompt (cmd.exe) window to verify the PC settings and connectivity.
a. On PC-A go to the Command Prompt on the Desktop and verify your PC settings by using the
ipconfig /all command. This command displays the PC hostname and the IPv4 address
information.

b. Type ping 192.168.1.11 and press Enter.
Were the ping results successful? ______________________

Part 3: Configure and Verify Basic Switch Settings

Step 1: Console into the switch.
Establish a console connection to the switch from PC-A.
Step 2: Enter privileged EXEC mode.
You can access all switch commands in privileged EXEC mode. The privileged EXEC command set
includes those commands contained in user EXEC mode, as well as the configure command
through which access to the remaining command modes are gained. Enter privileged EXEC mode by
entering the enable command.
Switch> enable
Switch#
The prompt changed from Switch> to Switch# which indicates privileged EXEC mode.

Step 3: Enter configuration mode.
Use the configuration terminal command to enter configuration mode.
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#
The prompt changed to reflect global configuration mode.

Step 4: Give the switch a name.
Use the hostname command to change the switch name to S1.
Switch(config)# hostname S1
S1(config)#
Step 5: Prevent unwanted DNS lookups.
To prevent the switch from attempting to translate incorrectly entered commands as though they were
hostnames, disable the Domain Name System (DNS) lookup.
S1(config)# no ip domain-lookup
S1(config)#
Step 6: Enter local passwords.
To prevent unauthorized access to the switch, passwords must be configured.
S1(config)# enable secret class
S1(config)# line con 0
S1(config-line)# password cisco
S1(config-line)# login
S1(config-line)# exit
S1(config)#
Step 7: Enter a login MOTD banner.
A login banner, known as the message of the day (MOTD) banner, should be configured to warn
anyone accessing the switch that unauthorized access will not be tolerated.
The banner motd command requires the use of delimiters to identify the content of the banner
message. The delimiting character can be any character as long as it does not occur in the message.
For this reason, symbols, such as the #, are often used.

S1(config)# banner motd #
Enter TEXT message. End with the character ‘#’.
Unauthorized access is strictly prohibited and prosecuted to the full
extent of the law. #
S1(config)# exit
S1#
Step 8: Save the configuration.
Use the copy command to save the running configuration to the startup file on non-volatile random
access memory (NVRAM).
S1# copy running-config startup-config
Destination filename [startup-config]? [Enter]
Building configuration…
[OK]
S1#
Step 9: Display the current configuration.
The show running-config command displays the entire running configuration, one page at a time.
Use the spacebar to advance paging. The commands configured in Steps 1 – 8 are highlighted
below.
S1# show running-config
Building configuration…
Current configuration : 1409 bytes
!
! Last configuration change at 03:49:17 UTC Mon Mar 1 1993
!
version 15.0
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname S1
!
boot-start-marker
boot-end-marker
!
enable secret 4 06YFDUHH61wAE/kLkDq9BGho1QM5EnRtoyr8cHAUg.2
!
no aaa new-model
system mtu routing 1500
!
!
no ip domain-lookup
!
<output omitted>

!
banner motd ^C
Unauthorized access is strictly prohibited and prosecuted to the full extent of
the law. ^C
!
line con 0
password cisco
login
line vty 0 4
login
line vty 5 15
login
!
end
S1#
Step 10: Display the IOS version and other useful switch information.
Use the show version command to display the IOS version that the switch is running, along with
other useful information. Again, you will need to use the spacebar to advance through the displayed
information.
S1# show version
Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 15.0(2)SE,
RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2012 by Cisco Systems, Inc.
Compiled Sat 28-Jul-12 00:29 by prod_rel_team
ROM: Bootstrap program is C2960 boot loader
BOOTLDR: C2960 Boot Loader (C2960-HBOOT-M) Version 12.2(53r)SEY3, RELEASE
SOFTWARE (fc1)
S1 uptime is 1 hour, 38 minutes
System returned to ROM by power-on
System image file is “flash:/c2960-lanbasek9-mz.150-2.SE.bin”
This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.
A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

Switch Ports Model SW Version SW Image
—— —– —– ———- ———-
* 1 26 WS-C2960-24TT-L 15.0(2)SE C2960-LANBASEK9-M
Configuration register is 0xF
S1#

Step 11: Display the status of the connected interfaces on the switch.

To check the status of the connected interfaces, use the show ip interface brief command. Press
the spacebar to advance to the end of the list.
S1# show ip interface brief
Interface IP-Address OK? Method Status
Protocol
Vlan1 unassigned YES unset up up
FastEthernet0/1 unassigned YES unset up up
FastEthernet0/2 unassigned YES unset down down
FastEthernet0/3 unassigned YES unset down down
FastEthernet0/4 unassigned YES unset down down
FastEthernet0/5 unassigned YES unset down down
FastEthernet0/6 unassigned YES unset up up
FastEthernet0/7 unassigned YES unset down down
FastEthernet0/8 unassigned YES unset down down
FastEthernet0/9 unassigned YES unset down down
FastEthernet0/10 unassigned YES unset down down
FastEthernet0/11 unassigned YES unset down down
FastEthernet0/12 unassigned YES unset down down
FastEthernet0/13 unassigned YES unset down down
FastEthernet0/14 unassigned YES unset down down
FastEthernet0/15 unassigned YES unset down down
FastEthernet0/16 unassigned YES unset down down
FastEthernet0/17 unassigned YES unset down down
FastEthernet0/18 unassigned YES unset down down
FastEthernet0/19 unassigned YES unset down down
FastEthernet0/20 unassigned YES unset down down
FastEthernet0/21 unassigned YES unset down down
FastEthernet0/22 unassigned YES unset down down
FastEthernet0/23 unassigned YES unset down down
FastEthernet0/24 unassigned YES unset down down
GigabitEthernet0/1 unassigned YES unset down down
GigabitEthernet0/2 unassigned YES unset down down
S1#

Step 12: Repeat Steps 1 to 12 to configure switch S2.
The only difference for this step is to change the hostname to S2.
Step 13: Record the interface status for the following interfaces.
S1 S2
Interface Status Protocol Status Protocol
F0/1
F0/6
F0/18
VLAN 1
Why are some FastEthernet ports on the switches are up and others are down?
________________________________________________________________________________
________________________________________________________________________________
Reflection

What could prevent a ping from being sent between the PCs?







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