########################### SWITCH: ###########################

enable
configure terminal

hostname Switch
no ip domain-lookup

enable secret cisco
service password-encryption
banner motd "Unauthorized access is strictly prohibited."

line console 0
password cisco
login
exit


interface vlan 1
no ip address
ip address 192.168.33.194 255.255.255.224
no shutdown
exit

ip default-gateway 192.168.33.193

copy running-config startup-config

show ip interfaces brief
show interfaces vlan 1
show mac address-table
show arp
show version

clear mac address-table dynamic

########################### ROUTER: ###########################
enable
configure terminal

hostname BR2
ipv6 unicast-routing
no ip domain lookup

enable password class
enable secret class1
service password-encryption
banner motd "This is a secure system. Authorized Access Only!"

line console 0
password cisco
login
exit


interface G0/0/0
no ip address
ip address 192.168.33.250 255.255.255.252
! ipv6 address 2001:db8:1:1::1/64
! ipv6 address fe80::1 link-local
no shutdown
! description room 114

exit

interface G0/0/1
no ip address
ip address 192.168.33.193 255.255.255.224
! ipv6 address 2001:db8:1:2::1/64
! ipv6 address fe80::1 link-local
no shutdown
! description room 279
exit

interface S0/0/0
! ip address 209.165.200.225 255.255.255.252
ipv6 address 2001:db8:1:a001::2/64
ipv6 address fe80::1 link-local
no shutdown
! description WAN connection to R2
exit

exit

copy running-config startup-config

copy startup-config flash

ip route 192.168.33.128 255.255.255.192 192.168.33.249

ip route 192.168.33.193 255.255.255.224 192.168.33.250

show ip route 

################################################

interface G0/0
ip address 10.1.1.1 255.255.255.0
no shutdown
description LAN connection to S3
exit

interface G0/1
ip address 10.1.2.1 255.255.255.0
no shutdown
description LAN connection to S4
exit

interface S0/0/0
ip address 209.165.200.226 255.255.255.252
no shutdown
description WAN connection to R1
exit