KONFIGURASI ROUTER ON STICK, ETHER CHANNEL

 PENDAHULUAN

   Pengertian

    Router on Stick adalah salah satu cara teknik inter-vlan routing maksudnya adalah antar VLAN bisa berkomunikasi.

    Ether Channel adalah teknik untuk menggabungkan bebara link/kabel menjadi 1 link/kabel.

   Latar Belakang Masalah

    Karena belum bisa konfigurasi Router on Stick, Ether Channel

MAKSUD DAN TUJUAN

   Maksud

    Konfigurasi Router on Stick, Ether channel

   Tujuan

    Agar bisa konfigurasi Router On Stick, Ether Channel

BATASAN DAN RUANG LINGKUP PEKERJAAN

    Router On Stick,Ether Chanel

TARGET DAN HASIL YANG DIHARAPKAN

    Bisa konfigurasi Router On Stick, Ether Channel

METODE PELAKSANAAN

    - Membaca 
    - Praktek
    - Bertanya

ALAT DAN BAHAN

    - Laptop
    - Buku Workbook CCNA Best Path Network (BPN)

TARGET WAKTU

    4 Jam

TAHAPAN PELAKSANAAN

    - Membaca
    - Praktek
     
    Buat Topologi seperti gambar.

konfigurasi kotak kiri terlebih dahulu
========================
 
Config switch tengah/server
=============================

Switch>en
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hos SW-Server

SW-Server(config)#vlan 10
SW-Server(config-vlan)#name Server
SW-Server(config-vlan)#vlan 20
SW-Server(config-vlan)#name IT
SW-Server(config-vlan)#vlan 30
SW-Server(config-vlan)#name MARKET

SW-Server(config-vlan)#VTP mod ser
Device mode already VTP SERVER.
SW-Server(config)#vtp domain cisco.com
Changing VTP domain name from NULL to cisco.com
SW-Server(config)#vtp vers 2
SW-Server(config)#do sh vtp sta (untuk mengecek VTP)

SW-Server(config)#int ra fa0/5-7
SW-Server(config-if-range)#sw mo ac
SW-Server(config-if-range)#sw ac vlan 20

SW-Server(config)# int g0/1
SW-Server(config-if)#sw mo tr
SW-Server(config-if-range)#int ra fa 0/1-4
SW-Server(config-if-range)#sw mo tr

SW-Server(config-if-range)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/4, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/4, changed state to up

SW-Server(config)#do sh vlan br (untuk mengecek vlan)
SW-Server(config-if)#do wr
Building configuration...
[OK]
SW-Server(config-if)#



        Ganti ke switch atas/client1
=========================

Switch>en
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hos SW-Client1

SW-Client1(config)#vtp domain cisco.com
Domain name already set to cisco.com.
SW-Client1(config)#vtp vers 2
VTP mode already in V2.
SW-Client1(config)#vtp mod cl
Setting device to VTP CLIENT mode.
SW-Client1(config)#do sh vlan

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    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, Gig0/1, Gig0/2
10   Server                           active    
20   IT                                  active    
30   MARKET                       active    
1002 fddi-default                 active    
1003 token-ring-default       active    
1004 fddinet-default            active    
1005 trnet-default               active    

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1    enet  100001     1500  -      -      -        -    -        0      0
10   enet  100010     1500  -      -      -        -    -        0      0
20   enet  100020     1500  -      -      -        -    -        0      0
30   enet  100030     1500  -      -      -        -    -        0      0
1002 fddi  101002     1500  -      -      -        -    -        0      0   
1003 tr    101003     1500  -      -      -        -    -        0      0   
1004 fdnet 101004     1500  -      -      -        ieee -        0      0   
1005 trnet 101005     1500  -      -      -        ibm  -        0      0   

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------

Remote SPAN VLANs
------------------------------------------------------------------------------

Primary Secondary Type              Ports
------- --------- ----------------- ------------------------------------------
SW-Client1(config)#int ra fa0/3-4
SW-Client1(config-if-range)#sw mo ac
SW-Client1(config-if-range)#sw ac vlan 10
SW-Client1(config-if-range)#exi

SW-Client1(config)#int ra fa0/1-2
SW-Client1(config-if-range)#sw mo tr
SW-Client1(config-if-range)#exi
SW-Client1(config)#do wr
Building configuration...
[OK]
SW-Client1(config)#

        Ganti config Switch bawah/Client2
==============================

Switch>en
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hos SW-Client2

SW-Client2(config)#vtp domain cisco.com
Domain name already set to cisco.com.
SW-Client2(config)#vtp vers 2
VTP mode already in V2.
SW-Client2(config)#vtp mod cl
Setting device to VTP CLIENT mode.
SW-Client2(config)#do sh vlan

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa0/1, Fa0/2, 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, Gig0/1, Gig0/2
10   Server                           active    
20   IT                               active    
30   MARKET                           active    
1002 fddi-default                     active    
1003 token-ring-default               active    
1004 fddinet-default                  active    
1005 trnet-default                    active    

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1    enet  100001     1500  -      -      -        -    -        0      0
10   enet  100010     1500  -      -      -        -    -        0      0
20   enet  100020     1500  -      -      -        -    -        0      0
30   enet  100030     1500  -      -      -        -    -        0      0
1002 fddi  101002     1500  -      -      -        -    -        0      0   
1003 tr    101003     1500  -      -      -        -    -        0      0   
1004 fdnet 101004     1500  -      -      -        ieee -        0      0   
1005 trnet 101005     1500  -      -      -        ibm  -        0      0   

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------

Remote SPAN VLANs
------------------------------------------------------------------------------

Primary Secondary Type              Ports
------- --------- ----------------- ------------------------------------------
SW-Client2(config)# int ra fa0/1-2
SW-Client2(config-if-range)#sw mo ac
SW-Client2(config-if-range)#sw ac vlan 30
SW-Client2(config-if-range)#exi

SW-Client2(config)#int ra fa 0/3-4
SW-Client2(config-if-range)#sw mo tr
SW-Client2(config-if-range)#do wr
Building configuration...
[OK]
SW-Client2(config-if-range)#

        Ganti config Roter
====================

 --- System Configuration Dialog ---

Would you like to enter the initial configuration dialog? [yes/no]: no


Press RETURN to get started!



Router>en
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#hos RT-CORE
RT-CORE(config)#int g0/0/1
RT-CORE(config-if)#no sh

RT-CORE(config-if)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0/1, changed state to up

RT-CORE(config-if)#int g0/0/1.10
RT-CORE(config-subif)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0/1.10, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0/1.10, changed state to up

RT-CORE(config-subif)#encapsulation dot1Q 10
RT-CORE(config-subif)#ip address 192.168.10.1 255.255.255.0
RT-CORE(config-subif)#int g0/0/1.20
RT-CORE(config-subif)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0/1.20, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0/1.20, changed state to up

RT-CORE(config-subif)#encapsulation dot1Q 20
RT-CORE(config-subif)#ip address 192.168.20.1 255.255.255.0
RT-CORE(config-subif)#int g0/0/1.30
RT-CORE(config-subif)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0/1.30, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0/1.30, changed state to up

RT-CORE(config-subif)#encapsulation dot1Q 30
RT-CORE(config-subif)#ip address 192.168.30.1 255.255.255.0
RT-CORE(config-subif)#exi

RT-CORE(config)#ip dhcp pool Server
RT-CORE(dhcp-config)#def 192.168.10.1
RT-CORE(dhcp-config)#net 192.168.10.0 255.255.255.0
RT-CORE(dhcp-config)#dns-server 192.168.10.11
RT-CORE(dhcp-config)#exi
RT-CORE(config)#ip dhcp pool vlan20
RT-CORE(dhcp-config)#def 192.168.20.1
RT-CORE(dhcp-config)#net 192.168.20.0 255.255.255.0
RT-CORE(dhcp-config)#dns-server 192.168.10.11
RT-CORE(dhcp-config)#exi

Ganti config ke kotak kanan
Config Sw tengah
===================


Switch>en
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hos SW-Server1

SW-Server1(config)#vlan 40
SW-Server1(config-vlan)#name PROG
SW-Server1(config-vlan)#vlan 50
SW-Server1(config-vlan)#name Security
SW-Server1(config-vlan)#exi

SW-Server1(config)#vtp mod ser
Device mode already VTP SERVER.
SW-Server1(config)#vtp domain cisco.com
Changing VTP domain name from NULL to cisco.com
SW-Server1(config)#vtp vers 2
SW-Server1(config)#do sh vlan br

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
                                                Gig0/1, Gig0/2
40   PROG                             active    
50   Security                         active    
1002 fddi-default                     active    
1003 token-ring-default               active    
1004 fddinet-default                  active    
1005 trnet-default                    active    

SW-Server1(config)#int ra fa0/4-5
SW-Server1(config-if-range)#sw mo ac
SW-Server1(config-if-range)#sw ac vlan 40

SW-Server1(config-if-range)#int ra fa0/1-3
SW-Server1(config-if-range)#sw mo tr



SW-Server1(config-if-range)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up

SW-Server1(config-if-range)#exit
SW-Server1(config)#do wr
Building configuration...
[OK]
SW-Server1(config)#
       
 Config SW-atas kanan/SW-Client3
=============================

Switch>en
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hos SW-Client3

SW-Client3(config)#vtp domain cisco.com
Changing VTP domain name from NULL to cisco.com
SW-Client3(config)#vtp vers 2
SW-Client3(config)#vtp mod cl
Setting device to VTP CLIENT mode.
SW-Client3(config)#do sh vlan

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa0/1, 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, Gig0/1, Gig0/2
40   PROG                             active    
50   Security                         active    
1002 fddi-default                     active    
1003 token-ring-default               active    
1004 fddinet-default                  active    
1005 trnet-default                    active    

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1    enet  100001     1500  -      -      -        -    -        0      0
40   enet  100040     1500  -      -      -        -    -        0      0
50   enet  100050     1500  -      -      -        -    -        0      0
1002 fddi  101002     1500  -      -      -        -    -        0      0   
1003 tr    101003     1500  -      -      -        -    -        0      0   
1004 fdnet 101004     1500  -      -      -        ieee -        0      0   
1005 trnet 101005     1500  -      -      -        ibm  -        0      0   

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------

Remote SPAN VLANs
------------------------------------------------------------------------------

Primary Secondary Type              Ports
------- --------- ----------------- ------------------------------------------
SW-Client3(config)#int ra fa0/2-1
SW-Client3(config-if-range)#sw mo tr
SW-Client3(config-if-range)#int ra fa0/1-2
SW-Client3(config-if-range)#sw mo tr
SW-Client3(config-if-range)#exi
SW-Client3(config)#int ra fa0/4-5
SW-Client3(config-if-range)#sw mo ac
SW-Client3(config-if-range)#sw ac vlan 50
SW-Client3(config-if-range)#do sh vlan

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Fa0/1, 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
                                                Gig0/1, Gig0/2
40   PROG                             active    
50   Security                         active    Fa0/4, Fa0/5
1002 fddi-default                     active    
1003 token-ring-default               active    
1004 fddinet-default                  active    
1005 trnet-default                    active    

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1    enet  100001     1500  -      -      -        -    -        0      0
40   enet  100040     1500  -      -      -        -    -        0      0
50   enet  100050     1500  -      -      -        -    -        0      0
1002 fddi  101002     1500  -      -      -        -    -        0      0   
1003 tr    101003     1500  -      -      -        -    -        0      0   
1004 fdnet 101004     1500  -      -      -        ieee -        0      0   
1005 trnet 101005     1500  -      -      -        ibm  -        0      0   

VLAN Type  SAID       MTU   Parent RingNo BridgeNo Stp  BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------

Remote SPAN VLANs
------------------------------------------------------------------------------

Primary Secondary Type              Ports
------- --------- ----------------- ------------------------------------------
SW-Client3(config-if-range)#exi
SW-Client3(config)#do wr
Building configuration...
[OK]
SW-Client3(config)#
 
        Config switch bawah MlS
=======================

Switch>en
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hos SW-Independent

SW-Independent(config)#int ra fa0/2-4
SW-Independent(config-if-range)#sw mo ac

 
        Config Multi layer switch
========================

Would you like to enter the initial configuration dialog? [yes/no]: no


Press RETURN to get started!



Switch>en
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hos MLS
MLS(config)#int fa0/1
MLS(config-if)#switchport trunk encapsulation dot1q
MLS(config-if)#sw mo tr
MLS(config-if)#exi
MLS(config)#int fa0/2
MLS(config-if)#no sw
MLS(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to up

MLS(config-if)#ip add 192.168.60.1 255.255.255.0
MLS(config-if)#exi
MLS(config)#int g0/1
MLS(config-if)#no sw
MLS(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to up

MLS(config-if)#ip add 192.168.100.2 255.255.255.0
MLS(config-if)#exi
 
     DHCP Relay Agent
================
 
Buat konfigurasi Server DHCP seperti gambar di atas.

MLS(config)#ip route 192.168.10.0 255.255.255.0 192.168.100.1
MLS(config)#ip routing
MLS(config)#int vlan 40
MLS(config-if)#
%LINK-5-CHANGED: Interface Vlan40, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan40, changed state to up

MLS(config-if)#ip add 192.168.40.1 255.255.255.0
MLS(config-if)#ip helper-address 192.168.10.2
MLS(config-if)#exi

MLS(config)#int vlan 50
MLS(config-if)#
%LINK-5-CHANGED: Interface Vlan50, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan50, changed state to up

MLS(config-if)#ip add 192.168.50.1 255.255.255.0
MLS(config-if)#ip helper-address 192.168.10.2
MLS(config-if)#int fa0/2
MLS(config-if)#ip helper-address 192.168.10.2
MLS(config-if)#do wr
Building configuration...
[OK]
MLS(config-if)#

    DNS Sever
===========
 
konfigurasi Server ke 2 seperti gambar.

RT-CORE(config)#ip domain name cisco.com
RT-CORE(config)#ip name-
RT-CORE(config)#ip name-server 192.168.10.11
RT-CORE(config)#ip domian-lok
RT-CORE(config)#ip domain-loo
RT-CORE(config)#ip domain-lookup
RT-CORE(config)#do ping cisco.com
Translating "cisco.com"...domain server (192.168.10.11)
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.100.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/3 ms

RT-CORE(config)#
 
    Ether Channel
Buat Ether Channel SW-Server
====================

 

SW-Server(config)#int ra fa0/1-2
SW-Server(config-if-range)#channel
SW-Server(config-if-range)#channel-gro
SW-Server(config-if-range)#channel-group 1 mode on
SW-Server(config-if-range)#
Creating a port-channel interface Port-channel 1

%LINK-5-CHANGED: Interface Port-channel1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel1, changed state to up

SW-Server(config-if-range)#
SW-Server(config-if-range)#int ra fa0/3-4
SW-Server(config-if-range)#channel-gr
SW-Server(config-if-range)#channel-group 2 mode on
SW-Server(config-if-range)#
Creating a port-channel interface Port-channel 2

%LINK-5-CHANGED: Interface Port-channel2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel2, changed state to up

SW-Server(config-if-range)#
 
     SW Client1
===========

SW-Client1(config)#int ra fa0/1-2
SW-Client1(config-if-range)#channel-group 1 mode on
SW-Client1(config-if-range)#
Creating a port-channel interface Port-channel 1

%LINK-5-CHANGED: Interface Port-channel1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel1, changed state to up

SW-Client1(config-if-range)#

 
    SW-Client2
===========
SW-Client2(config)#int ra fa0/3-4
SW-Client2(config-if-range)#channel-group 2 mode on
SW-Client2(config-if-range)#
Creating a port-channel interface Port-channel 2

%LINK-5-CHANGED: Interface Port-channel2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel2, changed state to up

SW-Client2(config-if-range)#
     
    Buat Ether-channel kotak kanan
    Buat di SW-Server1
==========================

 

SW-Server1(config-if-range)#int ra fa0/2-3
SW-Server1(config-if-range)#channel-gr
SW-Server1(config-if-range)#channel-group 1
% Incomplete command.
SW-Server1(config-if-range)#channel-group 1 mode on
SW-Server1(config-if-range)#
Creating a port-channel interface Port-channel 1

%LINK-5-CHANGED: Interface Port-channel1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel1, changed state to up

SW-Server1(config-if-range)#

    Buat di SW-Client3
=================

SW-Client3(config)#int ra fa0/2-3
SW-Client3(config-if-range)#channel-gr
SW-Client3(config-if-range)#channel-group 1 mode on
SW-Client3(config-if-range)#
Creating a port-channel interface Port-channel 1

%LINK-5-CHANGED: Interface Port-channel1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel1, changed state to up

SW-Client3(config-if-range)#
Dan konfigurasi Router On Stick
 

TEMUAN PERMASALAHAN DAN CARA PENYELESAIAN MASALAHNYA

    Permaslahan: DNS Server tidak mau jalan
    Solusi: ip name-server  nya salah, harus diganti

KESIMPULAN YANG DIDAPAT

    Bertanya adalah cara penemuan solusi yang bagus.

REFERENSI

    Buku Workbook CCNA Best Path Network (BPN) 

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