Senin, 16 Januari 2012

Membangun LAN dengan metode VLAN dengan Packet Tracer (Part I)


Buka aplikasi Packet Tracer
Lalu buat skema seperti gambar berikut

Atur IP Address untuk masing – masing komputer dengan cara mengklik PC yang dimaksud lalu pilih Desktop > IP Configuration

 Adapun alokasi IP yang saya gunakan adalah sebagai berikut:
Nama PC
IP Address
Subnet Mask
Ade
192.168.1.1
255.255.255.0
Dwi
192.168.1.2
255.255.255.0
Dita
192.168.1.3
255.255.255.0
Eka
192.168.1.4
255.255.255.0
Lita
192.168.1.5
255.255.255.0
Sandi
192.168.1.6
255.255.255.0


Ping ke setiap komputer untuk memastikan bahwa  komputer terkoneksi dengan baik. Saya melakukan ping dari PC Ade. Contoh hasilnya :

Packet Tracer PC Command Line 1.0
PC>ping 192.168.1.2

Pinging 192.168.1.2 with 32 bytes of data:

Reply from 192.168.1.2: bytes=32 time=120ms TTL=128
Reply from 192.168.1.2: bytes=32 time=40ms TTL=128
Reply from 192.168.1.2: bytes=32 time=40ms TTL=128
Reply from 192.168.1.2: bytes=32 time=40ms TTL=128

Ping statistics for 192.168.1.2:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 40ms, Maximum = 120ms, Average = 60ms

PC>ping 192.168.1.3

Pinging 192.168.1.3 with 32 bytes of data:

Reply from 192.168.1.3: bytes=32 time=60ms TTL=128
Reply from 192.168.1.3: bytes=32 time=40ms TTL=128
Reply from 192.168.1.3: bytes=32 time=40ms TTL=128
Reply from 192.168.1.3: bytes=32 time=40ms TTL=128

Ping statistics for 192.168.1.3:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 40ms, Maximum = 60ms, Average = 45ms

PC>ping 192.168.1.4

Pinging 192.168.1.4 with 32 bytes of data:

Reply from 192.168.1.4: bytes=32 time=70ms TTL=128
Reply from 192.168.1.4: bytes=32 time=40ms TTL=128
Reply from 192.168.1.4: bytes=32 time=40ms TTL=128
Reply from 192.168.1.4: bytes=32 time=40ms TTL=128

Ping statistics for 192.168.1.4:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 40ms, Maximum = 70ms, Average = 47ms

PC>ping 192.168.1.5

Pinging 192.168.1.5 with 32 bytes of data:

Reply from 192.168.1.5: bytes=32 time=80ms TTL=128
Reply from 192.168.1.5: bytes=32 time=40ms TTL=128
Reply from 192.168.1.5: bytes=32 time=40ms TTL=128
Reply from 192.168.1.5: bytes=32 time=40ms TTL=128

Ping statistics for 192.168.1.5:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 40ms, Maximum = 80ms, Average = 50ms

PC>ping 192.168.1.6

Pinging 192.168.1.6 with 32 bytes of data:

Reply from 192.168.1.6: bytes=32 time=70ms TTL=128
Reply from 192.168.1.6: bytes=32 time=40ms TTL=128
Reply from 192.168.1.6: bytes=32 time=40ms TTL=128
Reply from 192.168.1.6: bytes=32 time=40ms TTL=128

Ping statistics for 192.168.1.6:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 40ms, Maximum = 70ms, Average = 47ms

Selanjutnya, kita buat VLAN dengan skema berikut:
Nama PC
Nama VLAN
Port
Ade
TKJ
Fa0/1, Fa0/2, Fa0/3
Dwi
Dita
Eka
TEI
Fa0/4, Fa0/5, Fa0/6
Lita
Sandi

Buat VLAN dengan cara mengklik Switch, pilih tab CLI dan ketikan perintah berikut ini :

Switch>en
Switch#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#vlan 2
Switch(config-vlan)#name TKJ
Switch(config-vlan)#ex
Switch(config)#vlan 3
Switch(config-vlan)#name TEI
Switch(config-vlan)#ex
Switch(config)#ex
Switch#
%SYS-5-CONFIG_I: Configured from console by console
Switch#show vlan brief

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa0/1, Fa0/2, Fa0/3, Fa0/4
                                                Fa0/5, Fa0/6, Fa0/7, Fa0/8
                                                Fa0/9, Fa0/10, Fa0/11, Fa0/12
                                                Fa0/13, Fa0/14, Fa0/15, Fa0/16
                                                Fa0/17, Fa0/18, Fa0/19, Fa0/20
                                                Fa0/21, Fa0/22, Fa0/23, Fa0/24
2    TKJ                              active   
3    TEI                              active   
1002 fddi-default                     active   
1003 token-ring-default               active   
1004 fddinet-default                  active   
1005 trnet-default                    active

Dari perintah tersebut, dapat dilihat bahwa VLAN dengan nama TKJ dan TEI telah dibuat, namun belum memiliki anggota. Untuk menambahkan anggotanya, klik Switch lalu pilih tab CLI dan ketikan perintah berikut.

Switch#conf term
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#int fa0/1
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 2
Switch(config-if)#ex
Switch(config)#int fa0/1
Switch(config-if)#switchp mod ac
Switch(config-if)#switchp ac vlan 2
Switch(config-if)#ex
Switch(config)#int fa0/2
Switch(config-if)#switchp mod ac
Switch(config-if)#switchp ac vlan 2
Switch(config-if)#ex
Switch(config)#int fa0/3
Switch(config-if)#switchp mod ac
Switch(config-if)#switchp ac vlan 2
Switch(config-if)#ex
Switch(config)#int fa0/4
Switch(config-if)#switchp mod ac
Switch(config-if)#switchp ac vlan 3
Switch(config-if)#ex
Switch(config)#int fa0/5
Switch(config-if)#switchp mod ac
Switch(config-if)#switchp ac vlan 3
Switch(config-if)#ex
Switch(config)#int fa0/6
Switch(config-if)#switchp mod ac
Switch(config-if)#switchp ac vlan 3
Switch(config-if)#ex
Switch(config)#ex
Switch#
%SYS-5-CONFIG_I: Configured from console by console
Switch#show vlan b

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa0/7, Fa0/8, Fa0/9, Fa0/10
                                                Fa0/11, Fa0/12, Fa0/13, Fa0/14
                                                Fa0/15, Fa0/16, Fa0/17, Fa0/18
                                                Fa0/19, Fa0/20, Fa0/21, Fa0/22
                                                Fa0/23, Fa0/24
2    TKJ                              active    Fa0/1, Fa0/2, Fa0/3
3    TEI                              active    Fa0/4, Fa0/5, Fa0/6
1002 fddi-default                     active   
1003 token-ring-default               active   
1004 fddinet-default                  active   
1005 trnet-default                    active

VLAN telah selesai dibuat. Lalu tes koneksi antar PC dengan mengklik PC Ade dan ping ke semua komputer. Maka hasilnya akan seperti berikut.
Packet Tracer PC Command Line 1.0
PC>ping 192.168.1.2

Pinging 192.168.1.2 with 32 bytes of data:

Reply from 192.168.1.2: bytes=32 time=125ms TTL=128
Reply from 192.168.1.2: bytes=32 time=63ms TTL=128
Reply from 192.168.1.2: bytes=32 time=62ms TTL=128
Reply from 192.168.1.2: bytes=32 time=62ms TTL=128

Ping statistics for 192.168.1.2:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 62ms, Maximum = 125ms, Average = 78ms

PC>ping 192.168.1.3

Pinging 192.168.1.3 with 32 bytes of data:

Reply from 192.168.1.3: bytes=32 time=111ms TTL=128
Reply from 192.168.1.3: bytes=32 time=47ms TTL=128
Reply from 192.168.1.3: bytes=32 time=30ms TTL=128
Reply from 192.168.1.3: bytes=32 time=47ms TTL=128

Ping statistics for 192.168.1.3:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 30ms, Maximum = 111ms, Average = 58ms

PC>ping 192.168.1.4

Pinging 192.168.1.4 with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 192.168.1.4:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

PC>ping 192.168.1.5

Pinging 192.168.1.5 with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 192.168.1.5:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

PC>ping 192.168.1.6

Pinging 192.168.1.6 with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 192.168.1.6:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

PC Ade tidak mampu terkoneksi dengan PC Eka, PC Lita dan PC Sandi karena berbeda VLAN.
Sampai disini konfigurasi VLAN part I telah selesai, namun VLAN belum dapat berfungsi dengan baik karena seluruh PC belum dapat saling terkoneksi.
Semoga bermanfaat dan selamat mencoba.
Part II

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