GNS3 Lab ICND2: Konfigurasi VLAN dan VTP

IOS Router & Switch: c3640-jk9s-mz.124-16a

Module Switch: NM-16ESW

Konfigurasi Trunks

Langkah 1 : Setting IP Address pada setiap switch

S1#conf t

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

S1(config)#int vlan1

S1(config-if)#ip addr 192.168.1.10 255.255.255.0

S1(config-if)#no shut

S1(config-if)#^Z

S1#

S2#conf t

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

S2(config)#int vlan1

S2(config-if)#ip addr 192.168.1.11 255.255.255.0

S2(config-if)#no shut

S2(config-if)#exit

S2(config)#^Z

S3#conf t

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

S3(config)#int vlan1

S3(config-if)#ip addr 192.168.1.12 255.255.255.0

S3(config-if)#no shut

S3(config-if)#^Z

S3#

Tes koneksi

S3#ping 192.168.1.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.1.10, timeout is 2 seconds:

.!!!!

Success rate is 80 percent (4/5), round-trip min/avg/max = 12/73/184 ms

S3#ping 192.168.1.11

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.1.11, timeout is 2 seconds:

.!!!!

Success rate is 80 percent (4/5), round-trip min/avg/max = 8/80/156 ms

S3#

Semua sudah berjalan dengan baik

Langkah 2 : Konfigurasi Trunks pada S1,S2,and S3

S1#conf t

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

S1(config)#int fa0/11

S1(config-if)#switchport trunk encapsulation dot1q

S1(config-if)#switchport mode trunk

S1(config-if)#int fa0/12

S1(config-if)#switchport trunk encapsulation dot1q

S1(config-if)#switchport mode trunk

S1(config-if)#^Z

S1#

S1#conf t

S1(config)#int range fastEthernet 0/1 – 10

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

S1(config-if-range)#exit

S1(config)#int range fastEthernet 0/13 – 15

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

S1(config-if-range)#exit

S1(config)#^Z

S1#

S2#conf t

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

S2(config)#int fa0/1

S2(config-if)#switchport trunk encapsulation dot1q

S2(config-if)#switchport mode trunk

S2(config-if)#int range fa 0/2 – 15

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

S2(config-if-range)#^Z

S2#

S3#conf t

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

S3(config)#int fa0/1

S3(config-if)#switchport trunk encapsulation dot1q

S3(config-if)#switchport mode trunk

S3(config-if)#int range fa0/2 – 15

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

S3(config-if-range)#^Z

S3#

Kita dapat mengecek interface mana saja yang sudah dikonfigurasi sebagai trunk dengan perintah berikut

S1#sh int trunk

Port      Mode         Encapsulation  Status        Native vlan

Fa0/11    on           802.1q         trunking      1

Fa0/12    on           802.1q         trunking      1

Port      Vlans allowed on trunk

Fa0/11    1-1005

Fa0/12    1-1005

Port      Vlans allowed and active in management domain

Fa0/11    1,10,20,30

Fa0/12    1,10,20,30

Port      Vlans in spanning tree forwarding state and not pruned

Fa0/11    1,10,20,30

Fa0/12    1,10,20,30

Langkah 3 : Konfigurasi VTP dan VLAN

1. Setting VTP domain name
2. Configure VTP mode

Kita konfigurasi agar S1 sebagai server, dan S2,S3 sebagai VTP client

S1#vlan database

S1(vlan)#vtp domain DUKTEK

Changing VTP domain name from NULL to DUKTEK

S1(vlan)#APPLY

APPLY completed.

S1(vlan)#exit

APPLY completed.

Exiting….

S1#sh vtp status

VTP Version                     : 2

Configuration Revision          : 0

Maximum VLANs supported locally : 256

Number of existing VLANs        : 5

VTP Operating Mode              : Server

VTP Domain Name                 : DUKTEK

VTP Pruning Mode                : Disabled

VTP V2 Mode                     : Disabled

VTP Traps Generation            : Disabled

MD5 digest                      : 0×27 0xED 0x2C 0xBC 0x7B 0xA4 0×07 0xB6

Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00

Local updater ID is 192.168.1.10 on interface Vl1 (lowest numbered VLAN interface found)

S1#

Setting S2 dan S3 sebagai mode vtp client

S2#vlan database

S2(vlan)#vtp client

Setting device to VTP CLIENT mode.

S2(vlan)#apply

Apply not allowed when device is in CLIENT state.

S2(vlan)#exit

In CLIENT state, no apply attempted.

Exiting….

S2#sh vtp stat

VTP Version                     : 2

Configuration Revision          : 0

Maximum VLANs supported locally : 256

Number of existing VLANs        : 5

VTP Operating Mode              : Client

VTP Domain Name                 : DUKTEK

VTP Pruning Mode                : Disabled

VTP V2 Mode                     : Disabled

VTP Traps Generation            : Disabled

MD5 digest                      : 0×27 0xED 0x2C 0xBC 0x7B 0xA4 0×07 0xB6

Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00

S2#

S3#vlan database

S3(vlan)#vtp clie

S3(vlan)#vtp client

Setting device to VTP CLIENT mode.

S3(vlan)#apply

Apply not allowed when device is in CLIENT state.

S3(vlan)#exit

In CLIENT state, no apply attempted.

Exiting….

S3#sh vtp status

VTP Version                     : 2

Configuration Revision          : 0

Maximum VLANs supported locally : 256

Number of existing VLANs        : 5

VTP Operating Mode              : Client

VTP Domain Name                 : DUKTEK

VTP Pruning Mode                : Disabled

VTP V2 Mode                     : Disabled

VTP Traps Generation            : Disabled

MD5 digest                      : 0×27 0xED 0x2C 0xBC 0x7B 0xA4 0×07 0xB6

Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00

S3#

Kini kita tidak bisa memodifikasi vlan pada S2 atau S3 karena keduanya berada pada mode client. Konfigurasi vlan akan kita lakukan pada S1, dan dengan VTP, vlan pada S2 dan S3 akan otomatis mengikuti konfigurasi pada S1, kita tambahkan VLAN10 pada S1

S1#vlan data

S1(vlan)#vlan 10 name VLAN10

VLAN 10 modified:

Name: VLAN10

S1(vlan)#apply

APPLY completed.

S1(vlan)#exit

APPLY completed.

Exiting….

S1#sh vtp status

VTP Version                     : 2

Configuration Revision          : 1

Maximum VLANs supported locally : 256

Number of existing VLANs        : 6

VTP Operating Mode              : Server

VTP Domain Name                 : DUKTEK

VTP Pruning Mode                : Disabled

VTP V2 Mode                     : Disabled

VTP Traps Generation            : Disabled

MD5 digest                      : 0xE8 0xC8 0×53 0×77 0x8E 0×65 0×59 0×55

Configuration last modified by 192.168.1.10 at 3-1-02 01:10:06

Local updater ID is 192.168.1.10 on interface Vl1 (lowest numbered VLAN interface found)

S1#

S1#sh vlan-s

VLAN Name                             Status    Ports

—- ——————————– ——— ——————————-

1    default                          active    Fa0/0, Fa0/1, Fa0/2, Fa0/3

Fa0/4, Fa0/5, Fa0/6, Fa0/7

Fa0/8, Fa0/9, Fa0/10, Fa0/13

Fa0/14, Fa0/15

10   VLAN10                           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  -      -      -        -    -        1002   1003

10   enet  100010     1500  -      -      -        -    -        0      0

1002 fddi  101002     1500  -      -      -        -    -        1      1003

1003 tr    101003     1500  1005   0      -        -    srb      1      1002

1004 fdnet 101004     1500  -      -      1        ibm  -        0      0

1005 trnet 101005     1500  -      -      1        ibm  -        0      0

S1#

Lalu kita lihat status VTP pada S2 atau S3 yang telah berubah, dan konfigurasi VLAN10 telah ada pada kedua switch tersebut

S2#sh vtp status

VTP Version                     : 2

Configuration Revision          : 1

Maximum VLANs supported locally : 256

Number of existing VLANs        : 6

VTP Operating Mode              : Client

VTP Domain Name                 : DUKTEK

VTP Pruning Mode                : Disabled

VTP V2 Mode                     : Disabled

VTP Traps Generation            : Disabled

MD5 digest                      : 0xE8 0xC8 0×53 0×77 0x8E 0×65 0×59 0×55

Configuration last modified by 192.168.1.10 at 3-1-02 01:10:06

Baris terakhir menunjukkan bahwa konfigurasi pada S2 terakhir kali dilakukan oleh 192.168.1.10 (yakni S1 sebagai VTP server)

S2#sh vlan-s

VLAN Name                             Status    Ports

—- ——————————– ——— ——————————-

1    default                          active    Fa0/0, 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

10   VLAN10                           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  -      -      -        –    -        1002   1003

10   enet  100010     1500  -      -      -        -    -        0      0

1002 fddi  101002     1500  -      0      -        -    -        1      1003

1003 tr    101003     1500  1005   0      -        -    srb      1      1002

1004 fdnet 101004     1500  -      -      1        ibm  -        0      0

1005 trnet 101005     1500  -      -      1        ibm  -        0      0

S2#

Kita tambahkan 2 VLAN lagi

S1#

S1#vlan data

S1(vlan)#vlan 20 name VLAN20

VLAN 20 added:

Name: VLAN20

S1(vlan)#vlan 30 name VLAN30

VLAN 30 added:

Name: VLAN30

S1(vlan)#apply

APPLY completed.

S1(vlan)#exit

APPLY completed.

Exiting….

S1#

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