Cisco : Inter VLAN Router On A Stick topologi dengan konfigurasi

 

Topologi :

Konfigurasi :

Pertama, kita buat VLAN 10 dan VLAN 20 di Sakti-SW :

Sakti­SW(config)#vlan 10
Sakti­SW(config­vlan)#name smk
Sakti­SW(config­vlan)#exit
Sakti­SW(config)#vlan 20
Sakti­SW(config­vlan)#name sakti
Sakti­SW(config­vlan)#exit
Sakti­SW(config)#

Selanjutnya, kita assign port interface yang terhubung ke vlan yang sesuai topologi.

Sakti­SW(config)#interface range fa0/2,fa0/5
Sakti­SW(config­if­range)#switchport mode access 
Sakti­SW(config­if­range)#switchport access vlan 20
Sakti­SW(config­if­range)#exit
Sakti­SW(config)#
Sakti­SW(config)#interface range fa0/3­4
Sakti­SW(config­if­range)#switchport mode access 
Sakti­SW(config­if­range)#switchport access vlan 10
Sakti­SW(config­if­range)#exit
Sakti­SW(config­if­range)#

Jangan lupa modekan trunk di interface yang terhubung ke Router

Sakti­SW(config)#interface fa0/1
Sakti­SW(config­if)#switchport mode trunk 
Sakti­SW(config­if)#
%LINEPROTO­5­UPDOWN: Line protocol on Interface 
FastEthernet0/1, changed state to down
%LINEPROTO­5­UPDOWN: Line protocol on Interface 
FastEthernet0/1, changed state to up
Sakti­SW(config­if)#

Set IP sesuai VLAN, lalu Check dengan ping antar VLAN.
Hasil sebelum konfigurasi InterVLAN, Host Laptop­1 (VLAN 20) ping PC­1 (VLAN 10).

C:\>ping 10.10.10.2
Pinging 10.10.10.2 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 10.10.10.2:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
C:\>

Agar, saling terhubung dan bisa ping, mari kita konfigurasi InterVLAN.

Sakti­R1(config)#interface fa0/0
Sakti­R1(config­if)#no shutdown 
Sakti­R1(config­if)#exit
Sakti­R1(config)#
Sakti­R1(config)#interface fa0/0.10
Sakti­R1(config­subif)#encapsulation dot1Q 10
Sakti­R1(config­subif)#ip address 10.10.10.1 255.255.255.0
Sakti­R1(config­subif)#exit
Sakti­R1(config­if)#
Sakti­R1(config)#interface fa0/0.20
Sakti­R1(config­subif)#encapsulation dot1Q 20
Sakti­R1(config­subif)#ip address 20.20.20.1 255.255.255.0
Sakti­R1(config­sub)

Selanjutnya, bisa kita cek dengan ping antar vlan. Tapi, sebelum itu, jangan lupa tambahkan
Default Gateway di settingan IP di semua client.
Contoh :

Setting Defaullt-Gateway di semua PC Client. Lalu, kita coba ping.
Coba : Laptop-2 (20.20.20.3/24) ping PC-1 (10.10.10.2/24)
C:\>ping 10.10.10.2
Pinging 10.10.10.2 with 32 bytes of data:
Request timed out.
Reply from 10.10.10.2: bytes=32 time=41ms TTL=127
Reply from 10.10.10.2: bytes=32 time=58ms TTL=127
Reply from 10.10.10.2: bytes=32 time=28ms TTL=127
Ping statistics for 10.10.10.2:
Packets: Sent = 4, Received = 3, Lost = 1 (25% loss),
Approximate round trip times in milli­seconds:
Minimum = 28ms, Maximum = 58ms, Average = 42ms
C:\>

PC-2 (10.10.10.3/24) ping Laptop-1 (20.20.20.2/24)

C:\>ping 10.10.10.2
Pinging 10.10.10.2 with 32 bytes of data:
Reply from 10.10.10.2: bytes=32 time=15ms TTL=128
Reply from 10.10.10.2: bytes=32 time=11ms TTL=128
Reply from 10.10.10.2: bytes=32 time=10ms TTL=128
Reply from 10.10.10.2: bytes=32 time=19ms TTL=128
Ping statistics for 10.10.10.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli­seconds:
Minimum = 10ms, Maximum = 19ms, Average = 13ms
C:\>