Appendix A:
switchport access vlan 31
switchport mode access
!
interface FastEthernet1/0/4
switchport access vlan 31
switchport mode access
!
interface FastEthernet1/0/5
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,24,49
switchport mode trunk
switchport nonegotiate
!
interface FastEthernet1/0/6
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,24,49
switchport mode trunk
switchport nonegotiate
!
interface FastEthernet1/0/7
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,24,49
switchport mode trunk
switchport nonegotiate
!
interface FastEthernet1/0/8
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,24,49
switchport mode trunk
switchport nonegotiate
!
interface FastEthernet1/0/9
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,24,49
9-4