Just a basic config:

Switch1>en Password: Switch1#show run Building configuration...

Current configuration : 2810 bytes ! version 12.2 no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption ! hostname Switch1 ! ! ! enable secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0 ! ! ! ip routing ! ! ! ! ! ! ! ! ! ! ! ! ! ! spanning-tree mode pvst ! ! ! ! ! ! interface FastEthernet0/1 switchport mode access shutdown ! interface FastEthernet0/2 switchport mode access shutdown ! interface FastEthernet0/3 switchport mode access shutdown ! interface FastEthernet0/4 switchport mode access shutdown ! interface FastEthernet0/5 switchport access vlan 10 switchport mode access ! interface FastEthernet0/6 switchport mode access shutdown ! interface FastEthernet0/7 switchport mode access shutdown ! interface FastEthernet0/8 switchport mode access shutdown ! interface FastEthernet0/9 switchport mode access shutdown ! interface FastEthernet0/10 switchport access vlan 10 switchport mode access ! interface FastEthernet0/11 switchport mode access shutdown ! interface FastEthernet0/12 switchport mode access shutdown ! interface FastEthernet0/13 switchport mode access shutdown ! interface FastEthernet0/14 switchport mode access shutdown ! interface FastEthernet0/15 switchport access vlan 20 switchport mode access ! interface FastEthernet0/16 switchport mode access shutdown ! interface FastEthernet0/17 switchport mode access shutdown ! interface FastEthernet0/18 switchport mode access shutdown ! interface FastEthernet0/19 switchport mode access shutdown ! interface FastEthernet0/20 switchport access vlan 20 switchport mode access ! interface FastEthernet0/21 switchport mode access shutdown ! interface FastEthernet0/22 switchport mode access shutdown ! interface FastEthernet0/23 switchport mode access shutdown ! interface FastEthernet0/24 switchport mode access shutdown ! interface GigabitEthernet0/1 description FILES switchport access vlan 50 switchport trunk allowed vlan 10,20,50 switchport trunk encapsulation dot1q switchport mode trunk ! interface GigabitEthernet0/2 description TOP SECRET switchport access vlan 60 switchport trunk allowed vlan 10,60 switchport trunk encapsulation dot1q switchport mode trunk ! interface Vlan1 no ip address shutdown ! interface Vlan10 ip address 10.1.10.1 255.255.255.0 ! interface Vlan20 ip address 10.1.20.1 255.255.255.0 ! interface Vlan50 ip address 10.1.50.1 255.255.255.0 ! interface Vlan60 ip address 10.1.60.1 255.255.255.0 ! ip classless ! ip flow-export version 9 ! ! ! banner motd ^C

Do not login to this L3 Switch

^C ! ! ! ! line con 0 exec-timeout 0 0 password cisco logging synchronous login ! line aux 0 ! line vty 0 4 password cisco login line vty 5 15 password cisco login ! ! ! end

Switch1#