Appendix A:
!
interface FastEthernet1/0/21
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,24,49
switchport mode trunk
switchport nonegotiate
!
interface FastEthernet1/0/22
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,24,49
switchport mode trunk
switchport nonegotiate
!
interface FastEthernet1/0/23
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,24,49
switchport mode trunk
switchport nonegotiate
!
interface FastEthernet1/0/24
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,24,49
switchport mode trunk
switchport nonegotiate
!
interface GigabitEthernet1/0/1
shutdown
!
interface GigabitEthernet1/0/2
shutdown
!
interface Vlan1
ip address 10.1.0.1 255.255.0.0
ip helper-address 172.31.0.20
9-7