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OSPF Standar Area

 

OSPF Standar Area




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

CCNP ENTERPRISE | SMK IDN BOARDING SCHOOL 90

R1(config-if)#ip add 100.100.100.4 255.255.255.255

!

R1(config-if)#int lo5

R1(config-if)#ip add 100.100.100.5 255.255.255.255

!

R1(config-if)#int lo6

R1(config-if)#ip add 100.100.100.6 255.255.255.255

!

R1(config-if)#int lo7

R1(config-if)#ip add 100.100.100.7 255.255.255.255

!

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)#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)#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


R2

R2(config)#int lo0

R2(config-if)#ip add 2.2.2.2 255.255.255.255


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)#int g1/0

R2(config-if)#ip add 23.23.23.2 255.255.255.0

R2(config-if)#no sh


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

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


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

CEK DENGAN DO SH IP ROUTE OSPF

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


CEK DENGAN  do sh ip ospf database

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

SELESAI

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