Swiss Army Knife.
enable configure terminal ! no service config no ip domain-lookup ! line console 0 no login exec-timeout 0 0 logging synchronous privilege level 15 exit line vty 0 15 no login privilege level 15 exit ! hostname R1 ! interface FastEthernet 0/1 ip addr 172.17.1.5 255.255.255.0 no shutdown exit ! ip route 0.0.0.0 0.0.0.0 172.17.1.254 ! ntp source FastEthernet 0/0 ntp server 10.0.128.254 ntp update-calendar ! end copy running-config startup-config
en conf t no service config no setup express no ip domain-lookup ! line console 0 exec-timeout 0 0 logging synchronous exit hostname SW4 int vlan 1 ip addr 172.17.1.5 255.255.255.0 no shut exit ip default-gateway 172.16.1.1 enable secret password line vty 0 15 exec-timeout 0 0 password password login exit ntp source f0/0 ntp server 10.0.128.254 end write
en conf t ! no service config no ip domain-lookup ! line console 0 exec-timeout 0 0 logging synchronous exit ! hostname R1 ! int fa0/0 ip addr 172.16.2.1 255.255.255.0 ip nat inside no shut exit int fa0/1 ip addr dhcp ip nat outside no shut exit ! line vty 0 15 exec-timeout 0 0 exit ! access-list 1 permit 172.16.2.0 0.0.0.255 ! ip nat inside source list 1 interface f0/1 overload ! end write
enable erase startup-config reload
enable erase startup-config delete flash:vlan.dat reload