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ចង់ប្តូរការងារ ឬ កំពុងស្វែងរកការងារ​​ ផ្វើសារឥឡូវនេះ

The requirement of the LAB defined as below:

1. To manage Switch from PC-C via Console cable.
2. PC-A & PC-B can ping each other.
3. PC-B can Telent to Switch and Restrict PC-A from Telnet to Switch.

Meterial: Swiitch 2950T-24, 3 PC, Vlan 10, Subnet: 172.16.1.x/24, PC-A IP: 172.16.1.10/24, PC-B IP: 172.16.1.20/24, Switch IP: 172.16.1.1/24.

 

Network Potology:


1. To manage Switch from PC-C via Console cable.

For this scenario (using packet tracert), to connect PC-C to Switch by using Console cable, we need to:

   #1. Select console cable

Click on 1 and 2 to select the cable

 

    #2. Connect to PC-C

After select cable, Right-Click on PC-C and select "RS 232" as below:

   

   #3. Connect to Switch

Right-Click on Switch and select "Console" as below:

   

   #4. Open Cosole Session in PC-C

After connect console cable from PC-A to Switch, we can open console session in PC-C as below:

Under Destop, click on "Terminal"

 

Verify Terminal Confirguration (below are the default value), Click OK to go:

 

Finally, we can manage switch via console cable:

 

2. PC-A & PC-B can ping each other.
 

Configuration on Switch:

   #1. Creat Vlan 10 and Interface Vlan 10 with IP address.

switch>enable
switch#configuration terminal
switch(config)#vlan 10
switch(config-vlan)#name Group_A
switch(config-vlan)#exit
switch(config)#interface vlan 10
switch(config-if)#ip address 172.17.1.1 255.255.255.0
switch(config-if)#no shutdown

   #2. Configure Port to vlan10

switch(config)#interface range fa0/1-2
switch(config-if-range)#switch access vlan 10
switch(config-if-range)#no shutdown

 

3. PC-B can Telent to Switch and Restrict PC-A from Telnet to Switch

 

Configure telnet session:

   #1. Creat "Enable Password"

switch(config)#enable password cisco

OR 

switch(config)#enable secret cisco

   #2. Configure password vty

switch(config)#line vty 0 4
switch(config-line)#password 123
switch(config-line)#login
switch(config-line)#transport input telnet

   #3. Restrict PC-A from Telnet to Switch

switch(config)#access-list 1 permit host 172.16.1.20
switch(config)#access-list 1 deny any

switch(config)#line vty 0 4
switch(config-line)#access-class 1 in
switch(config-line)#exit
switch(config)#exit
switch#copy run start

OR

switch#write memory

 

Testing Result:

#1. Ping Testing and Telnet (PC-A)

 

 

#2. Ping Testing and Telnet (PC-B)

 



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