Pembahasan berikutnya tentang simulasi OSPF. Ada 3
jenis perangkat yang digunakan, yaitu Cisco, Mikrotik dan Juniper Junos. Tujuan
simulasi ini :
- Melihat kinerja network yang diconnectkan dengan routing ospf.
- Belajar command Juniper Junos.
Konfigurasi
IP address
Konfigurasi interfacenya. IP addressnya seperti pada
tabel di bawah ini.
Router
|
F0/0
|
F0/1
|
F1/0
|
Loopback0
|
Cisco R-ACEH
|
10.12.12.1/30
|
10.41.41.2/30
|
192.168.1.1/24
|
1.1.1.1/32
|
Mikrotik R-JAKARTA
|
10.12.12.2/30
|
10.23.23.1/30
|
192.168.2.1/24
|
2.2.2.2/32
|
Cisco R-SURABAYA
|
10.34.34.1/30
|
10.23.23.2/30
|
192.168.3.1/24
|
3.3.3.3/32
|
Junos R-JAYAPURA
|
10.34.34.2/30 (em0)
|
10.41.41.1/30 (em1)
|
192.168.4.1/24 (em2)
|
4.4.4.4/32
|
Untuk Cisco dan Mikrotik, seharusnya sudah tau
caranya... tinggal konfigurasi juniper. Ok. Berikut konfigurasi di junipernya.
root@JUNOS-R-JAYAPURA#
edit interfaces em0
[edit
interfaces em0]
root@JUNOS-R-JAYAPURA#
set unit 0 family inet address 10.34.34.2/30
[edit
interfaces em0]
root@JUNOS-R-JAYAPURA#
edit unit 0
[edit
interfaces em0 unit 0]
root@JUNOS-R-JAYAPURA#
set description ##CONNECT-TO-R-SURABAYA##
[edit
interfaces em0 unit 0]
root@JUNOS-R-JAYAPURA#
top
[edit]
root@JUNOS-R-JAYAPURA#
set interfaces em1 unit 0 family inet address 10.41.41.1/30
[edit]
root@JUNOS-R-JAYAPURA#
edit interfaces lo0 unit 0
[edit
interfaces lo0 unit 0]
root@JUNOS-R-JAYAPURA#
edit family inet
[edit
interfaces lo0 unit 0 family inet]
root@JUNOS-R-JAYAPURA#
set address 4.4.4.4/32
[edit
interfaces lo0 unit 0 family inet]
root@JUNOS-R-JAYAPURA#
top
[edit]
root@JUNOS-R-JAYAPURA#
edit interfaces
[edit
interfaces]
root@JUNOS-R-JAYAPURA#
set em1 description ##CONNECT-TO-CISCO-R-ACEH##
[edit
interfaces]
root@JUNOS-R-JAYAPURA#
edit interfaces em2 unit 0 family inet
[edit
interfaces em2 unit 0 family inet]
root@JUNOS-R-JAYAPURA#
set address 192.168.4.1/24
[edit
interfaces em2 unit 0 family inet]
root@JUNOS-R-JAYAPURA#
top
[edit]
root@JUNOS-R-JAYAPURA#set
interfaces em2 description ##CONNECT-TO-USER-LAN##
[edit]
root@JUNOS-R-JAYAPURA#
commit
commit
complete
Sengaja saya praktekkan beberapa cara berbeda agar
lebih mengerti tentang hirarki di Juniper. Descriptionnya bisa dibuat di
em0-nya (fisik) atau di unit-nya (logical). Dan hasilnya.
.jpg "Show ospf database (R-Jayapura)")
root@JUNOS-R-JAYAPURA#
run ping 10.41.41.2
PING
10.41.41.2 (10.41.41.2): 56 data bytes
64 bytes
from 10.41.41.2: icmp_seq=0 ttl=255 time=227.851 ms
64 bytes
from 10.41.41.2: icmp_seq=1 ttl=255 time=39.344 ms
64 bytes
from 10.41.41.2: icmp_seq=2 ttl=255 time=54.168 ms
64 bytes
from 10.41.41.2: icmp_seq=3 ttl=255 time=43.623 ms
^C
---
10.41.41.2 ping statistics ---
4 packets
transmitted, 4 packets received, 0% packet loss
round-trip
min/avg/max/stddev = 39.344/91.246/227.851/79.053 ms
[edit]
root@JUNOS-R-JAYAPURA#
run ping 10.34.34.1
PING
10.34.34.1 (10.34.34.1): 56 data bytes
64 bytes
from 10.34.34.1: icmp_seq=0 ttl=255 time=196.312 ms
64 bytes
from 10.34.34.1: icmp_seq=1 ttl=255 time=50.524 ms
64 bytes
from 10.34.34.1: icmp_seq=2 ttl=255 time=31.478 ms
64 bytes
from 10.34.34.1: icmp_seq=3 ttl=255 time=40.744 ms
^C
---
10.34.34.1 ping statistics ---
4 packets
transmitted, 4 packets received, 0% packet loss
round-trip
min/avg/max/stddev = 31.478/79.764/196.312/67.625 ms
ok berhasil ping. Selanjutnya, membuat routing ospf.
Dikarenakan topology network di atas adalah ring (lingkaran), maka kita gunakan
metode ospf standar yang sederhana bin easy dan gampang, serta peace of cake.
Hahaha..., yaitu .... Single Area OSPF.
Apa itu single area ospf. ? bahasa sederhananya, semua
router menggunakan area yang sama (menjadi satu area).
Ok langsung, ke konfigurasi pada setiap router.
CISCO
R-ACEH
R-ACEH#config
ter
Enter
configuration commands, one per line.
End with CNTL/Z.
R-ACEH(config)#router
ospf 11
R-ACEH(config-router)#netw
10.41.41.0 0.0.0.3 area 0
R-ACEH(config-router)#netw
10.12.12.0 0.0.0.3 area 0
R-ACEH(config-router)#netw
192.168.1.0 0.0.0.0 area 0
R-ACEH(config-router)#netw
1.1.1.1 0.0.0.0 area 0
R-ACEH(config-router)#do
wr
Building
configuration...
[OK]
MIKROTIK
R-JAKARTA
/routing
ospf instance
set [
find default=yes ] disabled=no distribute-default=never in-filter=\
ospf-in metric-bgp=auto metric-connected=20
metric-default=1 \
metric-other-ospf=auto metric-rip=20
metric-static=20 name=default \
out-filter=ospf-out redistribute-bgp=no
redistribute-connected=no \
redistribute-other-ospf=no
redistribute-rip=no redistribute-static=no \
router-id=2.2.2.2
/routing
ospf area
set [
find default=yes ] area-id=0.0.0.0 disabled=no name=\
backbone type=default
/routing
ospf network
add area=backbone
disabled=no network=2.2.2.2/32
add
area=backbone disabled=no network=10.23.23.0/30
add
area=backbone disabled=no network=10.12.12.0/30
add
area=backbone disabled=no network=192.168.2.0/24
CISCO
R-SURABAYA
R-SURABAYA#config
ter
Enter
configuration commands, one per line.
End with CNTL/Z.
R-SURABAYA(config)#router
ospf 33
R-SURABAYA(config-router)#log
R-SURABAYA(config-router)#log-adjacency-changes
R-SURABAYA(config-router)#netw
10.34.34.0 0.0.0.3 area 0
R-SURABAYA(config-router)#netw
10.23.23.0 0.0.0.3 area 0
R-SURABAYA(config-router)#netw
192.168.3.0 0.0.0.255 area 0
R-SURABAYA(config-router)#netw
3.3.3.3 0.0.0.0 area 0
R-SURABAYA(config-router)#do
wr
Building
configuration...
[OK]
JUNOS
R-JAYAPURA
root@JUNOS-R-JAYAPURA#
edit protocols ospf
[edit
protocols ospf]
root@JUNOS-R-JAYAPURA#
set area 0 interface em0.0
[edit
protocols ospf]
root@JUNOS-R-JAYAPURA#
set area 0 interface em1.0
[edit
protocols ospf]
root@JUNOS-R-JAYAPURA#
set area 0 interface em2.0
[edit
protocols ospf]
root@JUNOS-R-JAYAPURA#
set area 0 interface lo0.0
[edit
protocols ospf]
[edit
protocols ospf]
root@JUNOS-R-JAYAPURA#
show
area
0.0.0.0 {
interface em0.0;
interface em1.0;
interface em2.0;
interface lo0.0;
}
[edit
protocols ospf]
root@JUNOS-R-JAYAPURA#
commit
commit
complete
Beres, dan mari kita lihat hasilnya. Dari Router Junos
saja ngeliatnya, dengan menggunakan command “show ospf database” or bisa juga
dicoba dengan command “show ospf neighbor”.
.jpg "Show ospf database (R-Jayapura)")
Ok. Terakhir tinggal disetting IP address di
masing-masing PC dan dilakukan test ping. Misalnya dari PC 4, seperti gambar di
bawah ini.
The End...
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