Lab 3. OSPF Standar Area

 Lab 3. OSPF Standar Area

Pada Lab kali ini kita akan membuat beberapa area berbeda serta route lain selain ospf yakni EIGRP. Tujuannya untuk dapat mengetahui LSA tipe berapa saja yang ada dan digunakan oleh OSPF.

R1:
R1(config)#int lo0
R1(config-if)#ip add 1.1.1.1 255.255.255.255
R1(config-if)#int lo1
R1(config-if)#ip add 100.100.100.1 255.255.255.255
R1(config-if)#int lo2
R1(config-if)#ip add 100.100.100.2 255.255.255.255
R1(config-if)#int lo3
R1(config-if)#ip add 100.100.100.3 255.255.255.255
R1(config-if)#int lo4

R1(config-if)#ip add 100.100.100.4 255.255.255.255

R1(config-if)#ex

R1(config)#

R1(config-if)#int lo5

R1(config-if)#ip add 100.100.100.5 255.255.255.255

R1(config-if)#ex

R1(config)#

R1(config-if)#int lo6

R1(config-if)#ip add 100.100.100.6 255.255.255.255

R1(config-if)#ex

R1(config)#

R1(config-if)#int lo7

R1(config-if)#ip add 100.100.100.7 255.255.255.255

R1(config-if)#ex

R1(config)#

R1(config)#int fa0/0

R1(config-if)#ip add 12.12.12.1 255.255.255.0

R1(config-if)#no sh

R1(config-if)#ex

R1(config)#

R1(config)#router ospf 1

R1(config-router)#router-id 1.1.1.1

R1(config-router)#network 1.1.1.1 0.0.0.0 area 0

R1(config-router)#network 100.100.100.1 0.0.0.0 area 100

R1(config-router)#network 100.100.100.2 0.0.0.0 area 100

R1(config-router)#network 100.100.100.3 0.0.0.0 area 100

R1(config-router)#network 12.12.12.1 0.0.0.0 area 0

R1(config-router)#redistribute eigrp 10 subnets

R1(config-router)#exit

R1(config)#

R1(config)#router eigrp 10

R1(config-router)#network 100.100.100.4 0.0.0.0

R1(config-router)#network 100.100.100.5 0.0.0.0

R1(config-router)#network 100.100.100.6 0.0.0.0

R1(config-router)#network 100.100.100.7 0.0.0.0

R1(config-router)#no auto-summary

R1(config-router)#exit

R2:

R2(config)#int lo0

R2(config-if)#ip add 2.2.2.2 255.255.255.255

R2(config-if)#exit

R2(config)#

R2(config)#int fa0/0

R2(config-if)#ip add 12.12.12.2 255.255.255.0

R2(config-if)#no sh

R2(config-if)#exit

R2(config)#

R2(config)#int g1/0

R2(config-if)#ip add 23.23.23.2 255.255.255.0

R2(config-if)#no sh

R2(config-if)#exit

R2(config)#

R2(config)#router ospf 2

R2(config-router)#router-id 2.2.2.2

R2(config-router)#network 2.2.2.2 0.0.0.0 area 1

R2(config-router)#network 12.12.12.2 0.0.0.0 area 0

R2(config-router)#network 23.23.23.2 0.0.0.0 area 1

R2(config-router)#exit

R3:

R3(config)#int lo0

R3(config-if)#ip add 3.3.3.3 255.255.255.255

R3(config-if)#int g1/0

R3(config-if)#ip add 23.23.23.3 255.255.255.0

R3(config-if)#no sh

R2(config-if)#exit

R2(config)#

R3(config)#router ospf 3

R3(config-router)#router-id 3.3.3.3

R3(config-router)#network 3.3.3.3 0.0.0.0 area 1

R3(config-router)#network 23.23.23.3 0.0.0.0 area 1

R3:

R3(config)#do sh ip route ospf

1.0.0.0/32 is subnetted, 1 subnets

O IA 1.1.1.1 [110/3] via 23.23.23.2, 00:16:30, GigabitEthernet1/0

2.0.0.0/32 is subnetted, 1 subnets

O 2.2.2.2 [110/2] via 23.23.23.2, 00:27:45, GigabitEthernet1/0

12.0.0.0/24 is subnetted, 1 subnets

O IA 12.12.12.0 [110/2] via 23.23.23.2, 00:27:45, GigabitEthernet1/0

100.0.0.0/32 is subnetted, 7 subnets

O IA 100.100.100.1 [110/3] via 23.23.23.2, 00:16:30, GigabitEthernet1/0

O IA 100.100.100.2 [110/3] via 23.23.23.2, 00:16:30, GigabitEthernet1/0

O IA 100.100.100.3 [110/3] via 23.23.23.2, 00:16:30, GigabitEthernet1/0

O E2 100.100.100.4 [110/20] via 23.23.23.2, 00:16:25, GigabitEthernet1/0

O E2 100.100.100.5 [110/20] via 23.23.23.2, 00:16:25, GigabitEthernet1/0

O E2 100.100.100.6 [110/20] via 23.23.23.2, 00:16:25, GigabitEthernet1/0

O E2 100.100.100.7 [110/20] via 23.23.23.2, 00:16:25, GigabitEthernet1/0

* Perhatikan perbedaan Route Kode dilihat R3 di atas.

* Route 2.2.2.2 , itu muncul sebagai Tipe Route ‘O’ (Normal OSPF Route)

* Route 100.100.100.1 , ia muncul sebagai Tipe Route ‘OIA’ (OSPF Inter-Area Route)

* Route 100.100.100.4, ia muncul sebagai Tipe Route ‘0E2’ (OSPF External Route Type 2

R3:

R3(config)#do sh ip ospf database

OSPF Router with ID (3.3.3.3) (Process ID 3)

    Router Link States (Area 1) → LSA Type 1

Link ID ADV Router Age Seq# Checksum Link count

2.2.2.2     2.2.2.2     1889     0x80000004     0x005E19 2

3.3.3.3     3.3.3.3     1877     0x80000003     0x004D1F 2

    Net Link States (Area 1) → LSA Type 2

Link ID ADV Router Age Seq# Checksum

23.23.23.2     2.2.2.2     1889     0x80000001     0x00EAEB

    Summary Net Link States (Area 1) → LSA Type 3

Link ID     ADV Router     Age Seq#     Checksum

1.1.1.1     2.2.2.2     1211     0x80000001     0x0033FB

12.12.12.0     2.2.2.2     1006     0x80000002     0x00A36B

100.100.100.1     2.2.2.2     1211     0x80000001     0x0039CB

100.100.100.2     2.2.2.2     1211     0x80000001     0x002FD4

100.100.100.3     2.2.2.2     1211     0x80000001     0x0025DD

    Summary ASB Link States (Area 1) --- > LSA Type 4

Link ID     ADV Router     Age Seq#     Checksum

1.1.1.1     2.2.2.2     1211     0x80000001     0x001B14

    Type-5 AS External Link States --- > LSA Type 5

Link ID     ADV Router     Age Seq#     Checksum Tag

100.100.100.4     1.1.1.1     1347     0x80000002     0x0081E8 0

100.100.100.5     1.1.1.1     1347     0x80000002    0x0077F1 0 

100.100.100.6     1.1.1.1     1347     0x80000002   0x006DFA 0 

100.100.100.7     1.1.1.1     1347     0x80000002 0x006304 0