dsl2#sh run
Building configuration...

Current configuration : 2651 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname dsl2
!
!
no aaa new-model
system mtu routing 1500
ip subnet-zero
ip routing
!
!
!
!
no file verify auto
spanning-tree mode pvst
spanning-tree extend system-id
!
vlan internal allocation policy ascending
!
!
interface FastEthernet0/1
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/2
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/3
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/4
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/5
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/6
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/7
 switchport trunk encapsulation dot1q
 switchport trunk allowed vlan 1,10,15,20,25,150
 switchport mode trunk
!
interface FastEthernet0/8
 switchport trunk encapsulation dot1q
 switchport trunk allowed vlan 1,10,15,20,25,150
 switchport mode trunk
!
interface FastEthernet0/9
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface FastEthernet0/10
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface FastEthernet0/11
 no switchport
 ip address 172.16.1.2 255.255.255.0
!
interface FastEthernet0/12
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface FastEthernet0/13
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/14
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/15
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/16
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/17
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/18
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/19
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/20
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/21
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/22
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/23
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/24
 switchport mode access
 spanning-tree portfast
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
 no ip address
!
interface Vlan10
 no ip address
!
interface Vlan20
 ip address 172.16.20.1 255.255.255.0
!
router eigrp 1
 no auto-summary
!
ip classless
ip http server
!
!
!
control-plane
!
!
line con 0
line vty 5 15
!
end

dsl2#