INTER VLAN ROUTING - SWITCHING TECHNOLOGIES #2 ( CCNP )

SWITCHING TECHNOLOGIES #2 :

INTER VLAN ROUTING


Tambahkan PC-3 dan Router. Kita buat vlan 20 serta daftarkan ke port e0/2

SW-1
SW-KANAN(config)#vlan 20
SW-KANAN(config-vlan)#name Pelajar
SW-KANAN(config-vlan)#exit
SW-KANAN(config)#int e0/2
SW-KANAN(config-if)#switchport mode access
SW-KANAN(config-if)#switcport access vlan 20
SW-KANAN(config-if)#exit
SW-KANAN(config)#int e0/1
SW-KANAN(config-if)#switchport trunk allowed vlan 20

Kita konfigurasi trunk ke arah R1
 
SW-1
SW-KIRI(config)#int e0/2
SW-KIRI(config-if)#switchport trunk encapsulation dot1q
SW-KIRI(config-if)#switchport mode trunk
SW-KIRI(config-if)#switchport trunk allowed vlan 10,20
SW-KIRI(config-if)#exit
SW-KIRI(config)#int e0/1
SW-KIRI(config-if)#switchport trunk allowed vlan add 20
SW-KIRI(config-if)#exit

Kita konfigurasi pada R1
 
R1
R1(config)#int e0/0
R1(config-if)#no shutdown
R1(config-if)#duplex full
!
R1(config)#int e0/0.10
R1(config-subif)#encapsulation dot1q 10
R1(config-subif)#ip add 192.168.10.254 255.255.255.0
R1(config-subif)#exit
!
R1(config)#int f0/0.20
R1(config-subif)#encapsulation dot1Q 20
R1(config-subif)#ip add 192.168.20.254 255.255.255.0
R1(config-subif)#exit

Selanjutnya kita isi gateway pada setiap PC dan tes ping ke gateway
 
PC1
PC1> ip 192.168.10.1/24 192.168.10.254
Checking for duplicate address...
PC1 : 192.168.10.1 255.255.255.0 gateway 192.168.10.254
PC1> ping 192.168.10.254
84 bytes from 192.168.10.254 icmp_seq=1 ttl=255 time=41.136 ms
84 bytes from 192.168.10.254 icmp_seq=2 ttl=255 time=12.315 ms
PC2
PC2> ip 192.168.10.2/24 192.168.10.254
Checking for duplicate address...
PC1 : 192.168.10.2 255.255.255.0 gateway 192.168.10.254
PC2> ping 192.168.10.254
84 bytes from 192.168.10.254 icmp_seq=1 ttl=255 time=9.939 ms
84 bytes from 192.168.10.254 icmp_seq=2 ttl=255 time=2.251 ms

PC3
PC3> ip 192.168.20.1/24 192.168.20.254
Checking for duplicate address...
PC1 : 192.168.20.1 255.255.255.0 gateway 192.168.20.254
PC3>
PC3> ping 192.168.20.254
host (192.168.20.254) not reachable

Hasil ping dari PC3 ke R1 masih gagal, karena pada SW-KIRI belum kita
setting vlan 20. Kita verifikasi pada SW-KIRI

SW-KIRI
SW-KIRI(config)#do show vlan brief
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Et0/3, Et1/0, Et1/1, Et1/2
Et1/3, Et2/0, Et2/1, Et2/2
Et2/3, Et3/0, Et3/1, Et3/2
Et3/3
10 Engineer active Et0/0
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup

Pada SW-KIRI tidak ada vlan 20, sehingga packet dari SW-KANAN tidak bisa
lewat ke SW-KIRI. Untuk itu, konfigurasikan vlan 20 dan tidak perlu di
assign kemana-mana.

SW-KIRI
SW-KIRI#vlan database
SW-KIRI(vlan)#vlan 20 name Pelajar
VLAN 20 added:
Name: Pelajar
SW-KIRI(vlan)#exit

Tes ping lagi
 
PC3
PC3> ping 192.168.20.254
84 bytes from 192.168.20.254 icmp_seq=1 ttl=255 time=51.679 ms
84 bytes from 192.168.20.254 icmp_seq=2 ttl=255 time=8.270 ms
84 bytes from 192.168.20.254 icmp_seq=3 ttl=255 time=9.233 ms
84 bytes from 192.168.20.254 icmp_seq=4 ttl=255 time=6.937 ms

Akhirnya berhasil. Selanjutnya kita verifikasi pada R1
 
R1
R1#sh ip int brief | i up
FastEthernet0/0 unassigned YES unset up up
FastEthernet0/0.10 192.168.10.254 YES manual up up
FastEthernet0/0.20 192.168.20.254 YES manual up up
R1
R1#show cdp neighbors
Device ID Local Intrfce Holdtme Capability Platform Port ID
ESW1 Fas 0/0 169 S I 2691 Fas 1/2
SW1
SW1#sh vlan-switch brief
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa1/3, Fa1/4, Fa1/5, Fa1/6
Fa1/7, Fa1/8, Fa1/9, Fa1/10
Fa1/11, Fa1/12, Fa1/13, Fa1/14
Fa1/15
10 Engineer active Fa1/0
20 Pelajar active
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active

SW2
SW2#sh vlan-switch brief
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa1/3, Fa1/4, Fa1/5, Fa1/6
Fa1/7, Fa1/8, Fa1/9, Fa1/10
Fa1/11, Fa1/12, Fa1/13, Fa1/14
Fa1/15
10 Engineer active Fa1/0
20 Pelajar active Fa1/2
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
SW2
SW2#sh int trunk
Port Mode Encapsulation Status Native vlan
Fa1/1 on 802.1q trunking 1
Port Vlans allowed on trunk
Fa1/1 1-2,10,20,1002-1005
Port Vlans allowed and active in management domain
Fa1/1 1,10,20
Port Vlans in spanning tree forwarding state and not pruned
Fa1/1 1,10,20
PC3
PC3> sh ip
NAME : PC3[1]
IP/MASK : 192.168.20.1/24
GATEWAY : 192.168.20.254
DNS :
MAC : 00:50:79:66:68:02
LPORT : 20028
RHOST:PORT : 127.0.0.1:20029
MTU: : 1500
PC3> ping 192.168.10.1
84 bytes from 192.168.10.1 icmp_seq=1 ttl=63 time=19.854 ms
84 bytes from 192.168.10.1 icmp_seq=2 ttl=63 time=21.234 ms
84 bytes from 192.168.10.1 icmp_seq=3 ttl=63 time=13.295 ms
84 bytes from 192.168.10.1 icmp_seq=4 ttl=63 time=17.244 ms
84 bytes from 192.168.10.1 icmp_seq=5 ttl=63 time=21.214

 

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