jawaban pka 2.3.1.5

S1>ena

S1#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

S1(config)#int f0/6

S1(config-if)#switchport mode access 

S1(config-if)#no shutdown

S1(config-if)#vlan 10

S1(config-vlan)#vlan 20

S1(config-vlan)#vlan 30

S1(config-vlan)#vlan 40

S1(config-vlan)#vlan 50    

S1(config-vlan)#vlan 60

S1(config-vlan)#vlan 70

S1(config-vlan)#vlan 80

S1(config-vlan)#vlan 99

S1(config-vlan)#ex

S1(config)#int f0/6

S1(config-if)#switchport access vlan 30

S1(config-if)#end

S1#Show vlan brief

S1#conf t

S1(config)#int range f0/1-4

S1(config-if-range)#switchport mode trunk

S1(config-if-range)#switchport trunk native vlan 99

S1(config-if-range)#ex 

S1(config)#int vlan 99

S1(config-if)#ip address 172.31.99.1 255.255.255.0

S1(config-if)#end

·         Konfigurasi Spanning-tree PVST 

S1#conf t

S1(config)#spanning-tree mode pvst 

·         Load Balancing

S1(config)#spanning-tree vlan 1,10,30,50,70 root primary 

S1(config)#end

S1#show spanning-tree

·         Konfigurasi Portfast

S1(config)#int f0/6

S1(config-if)#spanning-tree portfast

S1(config-if)#ex

·         Konfigurasi BDPU Guard

S1(config)#int f0/6

S1(config-if)#spanning-tree bpduguard enable

S1(config-if)#end

S1#show running config

 Setelah itu masuk di switch 2

S2>ena

S2#conf t

S2(config)#int f0/18

S2(config-if)#switchport mode access 

S2(config-if)#no shutdown 

S2(config-if)#vlan 10

S2(config-vlan)#vlan 20

S2(config-vlan)#vlan 30

S2(config-vlan)#vlan 40

S2(config-vlan)#vlan 50

S2(config-vlan)#vlan 60

S2(config-vlan)#vlan 70

S2(config-vlan)#vlan 80

S2(config-vlan)#vlan 99

S2(config-vlan)#ex

S2(config)#int f0/18

S2(config-if)#switchport access vlan 20

S2(config-if)#end

S2#conf t

S2(config)#int range f0/1-4

S2(config-if-range)#switchport mode trunk 

S2(config-if-range)#switchport trunk native vlan 99

S2(config-if-range)#ex

S2(config)#int vlan 99

S2(config-if)#ip add 172.31.99.2 255.255.255.0

S2(config-if)#end

·         Konfigurasi spanning-tree PVST+

S2#conf t

S2(config)#spanning-tree mode pvst 

·         Konfigurasi Load Balancing

S2(config)#spanning-tree vlan 1,10,20,30,40,50,60,70,80,99 root secondary

·         Konfigurasi Portfast

S2(config)#int f0/18

S2(config-if)#spanning-tree portfast

S1(config-if)#ex

·         Konfigurasi BDPU Guard

S2(config)#int f0/18

S2(config-if)#spanning-tree bpduguard enable

 

Setelah itu masuk di switch 3

S3>ena

S3#conf t

S3(config)#int f0/11

S3(config-if)#switchport mode access 

S3(config-if)#ex

S3(config)#vlan 10

S3(config-vlan)#vlan 20

S3(config-vlan)#vlan 30

S3(config-vlan)#vlan 40

S3(config-vlan)#vlan 50

S3(config-vlan)#vlan 60

S3(config-vlan)#vlan 70

S3(config-vlan)#vlan 80

S3(config-vlan)#vlan 99

S3(config-vlan)#ex

S3(config)#sw

S3(config)#int f0/11

S3(config-if)#switchport mode access

S3(config-if)#no shutdown  

S3(config-if)#ex

S3(config)#int f0/11

S3(config-if)#switchport access vlan 10

S3(config-if)#end

S3#conf t

S3(config)#int range f0/1-4

S3(config-if-range)#switchport mode trunk 

S3(config-if-range)#switchport trunk native vlan 99

S3(config)#ex

S3(config)#int vlan 99

S3(config-if)#ip add 172.31.99.3 255.255.255.0

S3(config-if)#end

·         Konfigurasi spanning-tree PVST+

S3#conf t

S3(config)#spanning-tree mode pvst 

·         Konfigurasi Load Balancing

S3(config)#spanning-tree vlan 20,40,60,80,99 root primary 

S3(config)#ex

·         Konfigurasi Portfast

S3#conf t

S3(config)#int f0/11

S3(config-if)#spanning-tree portfast

·         Konfigurasi BDPU Guard

S3(config-if)#ex

S3(config)#int f0/11

S3(config-if)#spanning-tree bpduguard enable 

S3(config-if)#sh

S3(config-if)#ex

Selesai , ini laah cara konfigurasi PVST+ semoga bisa membantuu ..

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