Network Configuration: Routers and Switches

Router R1 Configuration

Hostname and Enable Secret

hostname R1

enable secret cisco

IP Domain Name

ip domain-name reprobe.cl

Crypto Key

crypto key generate rsa

2048

Username and Password

username alumno password alumno

Line VTY Configuration

line vty 0 4

transport input ssh

login local

exit

SSH Configuration

ip ssh version 2

ip ssh authentication-retries 2

ip ssh time-out 60

Interface Configuration

FastEthernet 0/0.15

interface FastEthernet 0/0.15

encapsulation dot1Q 15

ip address 172.16.0.1 255.255.192.0

!

FastEthernet 0/0.30

interface FastEthernet 0/0.30

encapsulation dot1Q 30

ip address 172.16.96.1 255.255.240.0

!

FastEthernet 0/0.45

interface FastEthernet 0/0.45

encapsulation dot1Q 45

ip address 172.16.64.1 255.255.224.0

!

FastEthernet 0/0.100

interface FastEthernet 0/0.100

encapsulation dot1Q 100

ip address 172.16.112.1 255.255.255.248

!

Serial 0/0/0

interface Serial 0/0/0

ip address 204.106.142.1 255.255.255.252

clock rate 128000

no shutdown

!

OSPF Configuration

router ospf 1

net 204.106.142.0 0.0.0.3 area 0

exit

!

Interface FastEthernet 0/0

interface FastEthernet 0/0

no shutdown

!

Line CON 0

line con 0

pass cisco

login

exit

!

Router R2 Configuration

Hostname and Enable Secret

hostname R2

enable secret cisco

IP Domain Name

ip domain-name reprobe.cl

Crypto Key

crypto key generate rsa

2048

Username and Password

username alumno password alumno

Line VTY Configuration

line vty 0 4

transport input ssh

login local

exit

SSH Configuration

ip ssh version 2

ip ssh authentication-retries 2

ip ssh time-out 60

Interface Configuration

FastEthernet 0/0

interface FastEthernet 0/0

ip address 192.168.0.1 255.255.255.0

no shutdown

!

Serial 0/0/0

interface Serial 0/0/0

ip address 204.106.142.2 255.255.255.252

clock rate 128000

no shutdown

exit

!

Serial 0/0/1

interface Serial 0/0/1

ip address 200.0.0.1 255.255.255.252

clock rate 128000

no shutdown

exit

!

OSPF Configuration

router ospf 1

network 204.106.142.0 0.0.0.3 area 0

network 200.0.0.0 0.0.0.3 area 0

network 192.168.0.0 0.0.0.255 area 0

exit

!

Static Route

ip route 172.16.112.0 255.255.255.248 204.106.142.1

!

Line CON 0

line con 0

pass cisco

login

exit

!

Router R3 Configuration

Hostname and Enable Secret

hostname R3

enable secret cisco

IP Domain Name

ip domain-name reprobe.cl

Crypto Key

crypto key generate rsa

2048

Username and Password

username alumno password alumno

Line VTY Configuration

line vty 0 4

transport input ssh

login local

exit

SSH Configuration

ip ssh version 2

ip ssh authentication-retries 2

ip ssh time-out 60

Interface Configuration

FastEthernet 0/0

interface FastEthernet 0/0

ip address 192.168.1.1 255.255.255.0

no shutdown

!

Serial 0/0/1

interface Serial 0/0/1

ip address 200.0.0.2 255.255.255.252

clock rate 128000

no shutdown

exit

!

OSPF Configuration

router ospf 1

network 200.0.0.0 0.0.0.3 area 0

network 192.168.1.0 0.0.0.255 area 0

exit

!

Default Route

ip route 0.0.0.0 0.0.0.0 200.0.0.1

!

Line CON 0

line con 0

pass cisco

login

exit

!

Switch SW1 Configuration

VLAN Configuration

vlan 15

exit

!

vlan 30

exit

!

vlan 45

exit

!

vlan 100

exit

!

VTP Configuration

vtp domain reprobe.cl

vtp version 2

vtp password reprobe

!

Interface Configuration

Access Ports

interface range fa 0/1 – 7

switchport mode access

switchport access vlan 15

exit

!

interface range fa 0/8 – 13

switchport mode access

switchport access vlan 30

exit

!

interface range fa 0/14 – 22

switchport mode access

switchport access vlan 45

exit

!

Trunk Ports

interface fa 0/24

switchport mode trunk

switchport trunk native vlan 100

exit

!

interface fa 0/23

switchport mode trunk

switchport trunk native vlan 100

exit

!

VTP Server Mode

vtp version 2

vtp domain reprobe.cl

vtp password reprobe

vtp mode server

!

VLAN 100 Interface

interface vlan 100

ip address 172.16.112.2 255.255.255.248

exit

!

Default Gateway

ip default-gateway 172.16.112.1

!

Port Security

interface fa 0/1

switchport port-security mac-address 0001.C986.98C9

switchport port-security maximum 1

switchport port-security violation protect

exit

!

Line VTY

line vty 0 15

password cisco

login

exit

!

Enable Secret

enable secret cisco

!

Switch SW2 Configuration

VLAN Configuration

vlan 15

exit

!

vlan 30

exit

!

vlan 45

exit

!

vlan 100

exit

!

VTP Configuration

vtp domain reprobe.cl

vtp version 2

vtp password reprobe

!

Interface Configuration

Access Ports

interface range fa 0/1 – 7

switchport mode access

switchport access vlan 15

exit

!

interface range fa 0/8 – 13

switchport mode access

switchport access vlan 30

exit

!

interface range fa 0/14 – 22

switchport mode access

switchport access vlan 45

exit

!

Trunk Ports

interface fa 0/24

switchport mode trunk

switchport trunk native vlan 100

exit

!

interface fa 0/23

switchport mode trunk

switchport trunk native vlan 100

exit

!

VTP Client Mode

vtp version 2

vtp domain reprobe.cl

vtp password reprobe

vtp mode client

!

VLAN 100 Interface

interface vlan 100

ip address 172.16.112.3 255.255.255.248

exit

!

Default Gateway

ip default-gateway 172.16.112.1

!

Line VTY

line vty 0 15

password cisco

login

exit

!

Enable Secret

enable secret cisco

!

Switch SW3 Configuration

VLAN Configuration

vlan 15

exit

!

vlan 30

exit

!

vlan 45

exit

!

vlan 100

exit

!

VTP Configuration

vtp domain reprobe.cl

vtp version 2

vtp password reprobe

!

Interface Configuration

Access Ports

interface range fa 0/1 – 7

switchport mode access

switchport access vlan 15

exit

!

interface range fa 0/8 – 13

switchport mode access

switchport access vlan 30

exit

!

interface range fa 0/14 – 22

switchport mode access

switchport access vlan 45

exit

!

Trunk Port

interface fa 0/24

switchport mode trunk

switchport trunk native vlan 100

exit

!

VTP Client Mode

vtp version 2

vtp domain reprobe.cl

vtp password reprobe

vtp mode client

!

VLAN 100 Interface

interface vlan 100

ip address 172.16.112.4 255.255.255.248

exit

!

Default Gateway

ip default-gateway 172.16.112.1

!

Port Security

interface fa 0/22

switchport port-security mac-address sticky

switchport port-security maximum 1

switchport port-security violation shutdown

exit

!

Line VTY

line vty 0 15

password cisco

login

exit

!

Enable Secret

enable secret cisco

!