2.3.1.5 Packet Tracer lab - Configuring PVST+

This was an easy-cheasy lab and a great STP exercise. I got stumbled only once or so (had to look up the ? for my commands)


I am running out of the allotted data plan, so cannot post any images.

Switch 1

hostname S1
!
!
!
no ip domain-lookup
!
vtp mode transparent
!
!
spanning-tree mode pvst
spanning-tree vlan 1,10,30,50,70 priority 24576
!
vlan 10
!
vlan 20
!
vlan 30
!
vlan 40
!
vlan 50
!
vlan 60
!
vlan 70
!
vlan 80
!
vlan 99
!
interface FastEthernet0/1
switchport trunk native vlan 99
switchport mode trunk
!
interface FastEthernet0/2
switchport mode access
!
interface FastEthernet0/3
switchport mode access
!
interface FastEthernet0/4
switchport trunk native vlan 99
switchport mode trunk
!
interface FastEthernet0/5
!
interface FastEthernet0/6
switchport access vlan 30
switchport mode access
spanning-tree portfast
spanning-tree bpduguard enable
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
no ip address
shutdown
!
interface Vlan99
ip address 172.31.99.1 255.255.255.0

!

----------------

hostname S2

!
!
!
no ip domain-lookup
!
vtp mode transparent
!
!
spanning-tree mode pvst
spanning-tree vlan 1,10,20,30,40,50,60,70,80,99 priority 28672
!
vlan 10
!
vlan 20
!
vlan 30
!
vlan 40
!
vlan 50
!
vlan 60
!
vlan 70
!
vlan 80
!
vlan 99
!
interface FastEthernet0/1
switchport trunk native vlan 99
switchport mode trunk
!
interface FastEthernet0/2
switchport trunk native vlan 99
switchport mode access
!
interface FastEthernet0/3
switchport mode access
!
interface FastEthernet0/4
switchport trunk native vlan 99
switchport mode trunk
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
switchport access vlan 20
switchport mode access
spanning-tree portfast
spanning-tree bpduguard enable
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
no ip address
shutdown
!
interface Vlan99
ip address 172.31.99.2 255.255.255.0

!


----------------

Switch 3

hostname S3
!
!
!
no ip domain-lookup
!
vtp mode transparent
!
!
spanning-tree mode pvst
spanning-tree vlan 20,40,60,80,99 priority 20480
!
vlan 10
!
vlan 20
!
vlan 30
!
vlan 40
!
vlan 50
!
vlan 60
!
vlan 70
!
vlan 80
!
vlan 99
!
interface FastEthernet0/1
switchport trunk native vlan 99
switchport mode trunk
!
interface FastEthernet0/2
switchport mode access
!
interface FastEthernet0/3
switchport trunk native vlan 99
switchport mode access
!
interface FastEthernet0/4
switchport trunk native vlan 99
switchport mode trunk
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
switchport access vlan 10
switchport mode access
spanning-tree portfast
spanning-tree bpduguard enable
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
no ip address
shutdown
!
interface Vlan99
ip address 172.31.99.3 255.255.255.0
!

!