CCNA Exploration: 网络基础知识 (版本 4.0)
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Introduction
In this practice Packet Tracer Skills Exam, you will:
- design and implement an addressing scheme to meet stated requirements
- configure, verify, and troubleshoot connectivity between all devices in the network
Addressing Table
|
Device |
Interface |
Address |
Subnet Mask |
Default Gateway |
|
Router1 |
Fa0/0 |
172.16.1.1 |
255.255.255.224 |
n/a |
|
Fa0/1 |
172.16.1.33 |
255.255.255.240 |
n/a |
|
|
Switch1 |
VLAN1 |
172.16.1.2 |
255.255.255.224 |
|
|
PC1 |
NIC |
172.16.1.30 |
225.255.255.224 |
172.16.1.1 |
|
PC2 |
NIC |
172.16.1.36 |
255.255.255.240 |
172.16.1.33 |
NOTE: The initial network has some errors. To aid in configuring and verifying the devices, as well as in troubleshooting the existing errors, use a printed version of these instructions to fill in the missing address information in the table during Step 1.
Step 1: Determine the IP Addressing Scheme.
Design an addressing scheme and fill in the Addressing Table based on the following requirements:
a. Subnet the address space 172.16.1.0/24 to provide 30 host addresses for LAN 1 while wasting the least amount of address space.
b. Assign the first available subnet to LAN 1.
c. Assign the lowest (first) host address in this subnet to the Fa0/0 interface on Router1.
d. Assign the second address in this subnet to the VLAN 1 interface on Switch1.
e. Assign the highest (last) host IP address in this subnet to PC1.
Switch>en
Switch#config t
Switch(config)#host Switch1
Switch1(config)#inter vlan 1
Switch1(config-if)#ip add 172.16.1.2 255.255.255.224
Switch1(config-if)#no shut
Switch1(config-if)#exit
Switch1(config)#ip default-gateway 172.16.1.1
Switch1(config)#enable secret class
Switch1(config)#line cons 0
Switch1(config-line)#password cisco
Switch1(config-line)#login
Switch1(config-line)#exit
Switch1(config)#line vty 0 2
Switch1(config-line)#password cisco
Switch1(config-line)#login
Switch1(config-line)#exit
Switch1(config)#banner motd #Authorized access only!#
Switch1(config)#^Z
Switch1#ping 172.16.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 3/24/31 ms
Switch1#ping 172.16.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 19/28/32 ms
Step 2: Configure Router1.
a. Configure Router1 with these basic parameters:
· Use Router1 as the router name.
· Use class as the encrypted password for privileged EXEC mode.
· Require password-protected logins for the console line. Use cisco as the password.
· Require password-protected logins for the vty lines. Use cisco as the password.
· Configure the banner message-of-the-day as Authorized access only!
b. Configure the two Fast Ethernet interfaces.
· Configure the router interfaces according to your completed addressing table.
· Configure each interface with a description.
c. Close the terminal window after completing the router configuration.
Router(config)#host Router1
Router1(config)#inter f0/0
Router1(config-if)#ip add 172.16.1.1 255.255.255.224
Router1(config-if)#no shut
Router1(config-if)#inter f0/1
Router1(config-if)#ip add 172.16.1.33 255.255.255.240
Router1(config-if)#no shut
Router1(config-if)#exit
Router1(config)#enable secret class
Router1(config)#line cons 0
Router1(config-line)#password cisco
Router1(config-line)#login
Router1(config-line)#exit
Router1(config)#line vty 0
Router1(config-line)#password cisco
Router1(config-line)#login
Router1(config-line)#exit
Router1(config)#banner mot
Router1(config)#banner motd #Authorized access only!#
Router1(config)#inter f0/0
Router1(config-if)#description tongxiangPC1
Router1(config-if)#exit
Router1(config)#inter f 0/1
Router1(config-if)#description tongxiangPC2
Router1(config-if)#^Z
Step 3: Configure Switch1 and Verify Connectivity.
a. Remove the console connection between PC1 and Router1.
b. Connect PC1 to the Switch1 console port.
c. Configure Switch1 with these basic parameters:
· Use Switch1 for the switch name.
· Use class as the encrypted password for privileged EXEC mode.
· Require password-protected logins for the console line. Use cisco as the password.
· Require password-protected logins for the vty lines. Use cisco as the password.
· Configure the banner message-of-the-day as Authorized access only!
d. Configure interface VLAN 1.
e. Configure the default gateway.
f. Test that Switch1 is able to ping the default gateway.
Step 4: Configure and Verify PC1 Addressing.
a. Use the IP addressing you determined in Step 1 and configure PC1 with the correct addressing.
b. Test that PC1 is able to ping the default gateway.
Step 5: Verify and Troubleshoot End-to-End Connectivity.
Verify that PC1 is able to ping PC2. If the ping fails, locate and correct any errors. For example, make sure PC2 is configured correctly with appropriate addressing for the subnet it belongs to.
Version 2.0
Created in Packet Tracer 5.3.2 and Marvel 1.0.1
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