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OSPF Sumarization – External Route

 

OSPF Sumarization – External Route




OSPF External Route Summarization, 

CONFIG


R3

R3(config)#do sh run | section rip

redistribute rip metric-type 1 subnets

router rip

version 2

network 33.0.0.0

no auto-summary

!

R3(config)#do sh run | section ospf

router ospf 3

router-id 3.3.3.3

redistribute rip metric-type 1 subnets

network 3.3.3.3 0.0.0.0 area 1

network 23.23.23.3 0.0.0.0 area 1

CCNP ENTERPRISE | SMK IDN BOARDING SCHOOL 119

Cek routing tabel R1

R1

R1(config)#do sh ip route ospf

 2.0.0.0/32 is subnetted, 1 subnets

O IA 2.2.2.2 [110/2] via 12.12.12.2, 00:53:12, FastEthernet0/0

 3.0.0.0/32 is subnetted, 1 subnets

O IA 3.3.3.3 [110/3] via 12.12.12.2, 00:53:12, FastEthernet0/0

 23.0.0.0/24 is subnetted, 1 subnets

O IA 23.23.23.0 [110/2] via 12.12.12.2, 00:53:12, FastEthernet0/0

 33.0.0.0/32 is subnetted, 3 subnets

O E1 33.33.33.1 [110/22] via 12.12.12.2, 00:53:12, FastEthernet0/0

O E1 33.33.33.2 [110/22] via 12.12.12.2, 00:53:12, FastEthernet0/0

O E1 33.33.33.3 [110/22] via 12.12.12.2, 00:53:12, FastEthernet0/0

 Konfigurasikan External Route Summarization di R3

R3

R3(config)#router ospf 3

R3(config-router)#summary-address 33.33.33.0 255.255.255.240

R3(config-router)#exit

 Cek kembali di R1

R1

R1(config)#do sh ip route ospf

 2.0.0.0/32 is subnetted, 1 subnets

O IA 2.2.2.2 [110/2] via 12.12.12.2, 00:56:57, FastEthernet0/0

 3.0.0.0/32 is subnetted, 1 subnets

O IA 3.3.3.3 [110/3] via 12.12.12.2, 00:56:57, FastEthernet0/0

 23.0.0.0/24 is subnetted, 1 subnets

O IA 23.23.23.0 [110/2] via 12.12.12.2, 00:56:57, FastEthernet0/0

 33.0.0.0/28 is subnetted, 1 subnets

O E1 33.33.33.0 [110/22] via 12.12.12.2, 00:01:13, FastEthernet0/0

CCNP ENTERPRISE | SMK IDN BOARDING SCHOOL 120

Sekarang kita cek di R3.

R3

R3(config)#do sh ip route

 1.0.0.0/32 is subnetted, 1 subnets

O IA 1.1.1.1 [110/3] via 23.23.23.2, 06:58:11, GigabitEthernet1/0

 2.0.0.0/32 is subnetted, 1 subnets

O 2.2.2.2 [110/2] via 23.23.23.2, 06:58:11, GigabitEthernet1/0

 3.0.0.0/32 is subnetted, 1 subnets

C 3.3.3.3 is directly connected, Loopback0

 12.0.0.0/24 is subnetted, 1 subnets

O IA 12.12.12.0 [110/2] via 23.23.23.2, 06:58:11, GigabitEthernet1/0

 23.0.0.0/8 is variably subnetted, 2 subnets, 2 masks

C 23.23.23.0/24 is directly connected, GigabitEthernet1/0

L 23.23.23.3/32 is directly connected, GigabitEthernet1/0

 33.0.0.0/8 is variably subnetted, 4 subnets, 2 masks

O 33.33.33.0/28 is a summary, 00:03:11, Null0

C 33.33.33.1/32 is directly connected, Loopback1

C 33.33.33.2/32 is directly connected, Loopback2

C 33.33.33.3/32 is directly connected, Loopback3

 100.0.0.0/8 is variably subnetted, 5 subnets, 2 masks

O IA 100.100.100.0/29 [110/3] via 23.23.23.2, 02:20:00,

GigabitEthernet1/0

O E2 100.100.100.4/32

 [110/20] via 23.23.23.2, 06:58:01, GigabitEthernet1/0

O E2 100.100.100.5/32

 [110/20] via 23.23.23.2, 06:58:01, GigabitEthernet1/0

O E2 100.100.100.6/32

 [110/20] via 23.23.23.2, 06:58:01, GigabitEthernet1/0

O E2 100.100.100.7/32

 [110/20] via 23.23.23.2, 06:58:01, GigabitEthernet1/0


Nah disitukan ada null0 lagi seperti sebelum nya, untuk menghapusnnya

konfigurasi seperti ini :

R3

R3(config)#router ospf 3

R3(config-router)#no discard-route

R3(config-router)#exit


Cek kembali DI R3


R3

R3(config)#do sh ip ro

Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP

 D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

 N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

 E1 - OSPF external type 1, E2 - OSPF external type 2

 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

 ia - IS-IS inter area, * - candidate default, U - per-user static route

 o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP

 + - replicated route, % - next hop override

Gateway of last resort is not set

 1.0.0.0/32 is subnetted, 1 subnets

O IA 1.1.1.1 [110/3] via 23.23.23.2, 00:01:03, GigabitEthernet1/0

 2.0.0.0/32 is subnetted, 1 subnets

O 2.2.2.2 [110/2] via 23.23.23.2, 00:01:03, GigabitEthernet1/0

 3.0.0.0/32 is subnetted, 1 subnets

C 3.3.3.3 is directly connected, Loopback0

 12.0.0.0/24 is subnetted, 1 subnets

O IA 12.12.12.0 [110/2] via 23.23.23.2, 00:01:03, GigabitEthernet1/0

 23.0.0.0/8 is variably subnetted, 2 subnets, 2 masks

C 23.23.23.0/24 is directly connected, GigabitEthernet1/0

L 23.23.23.3/32 is directly connected, GigabitEthernet1/0

 33.0.0.0/32 is subnetted, 3 subnets

C 33.33.33.1 is directly connected, Loopback1

C 33.33.33.2 is directly connected, Loopback2

C 33.33.33.3 is directly connected, Loopback3

 100.0.0.0/8 is variably subnetted, 5 subnets, 2 masks

O IA 100.100.100.0/29 [110/3] via 23.23.23.2, 00:01:03,

GigabitEthernet1/0

O E2 100.100.100.4/32

 [110/20] via 23.23.23.2, 00:01:03, GigabitEthernet1/0

O E2 100.100.100.5/32

 [110/20] via 23.23.23.2, 00:01:03, GigabitEthernet1/0

O E2 100.100.100.6/32

 [110/20] via 23.23.23.2, 00:01:03, GigabitEthernet1/0

O E2 100.100.100.7/32

 [110/20] via 23.23.23.2, 00:01:03, GigabitEthernet1/0


NAH UDAH G ADA , SEKARANG COBA PING

R1

R1(config)#do ping 33.33.33.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 33.33.33.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 32/57/96 ms

R1(config)#do ping 33.33.33.2

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 33.33.33.2, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 20/22/24 ms

R1(config)#do ping 33.33.33.3

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 33.33.33.3, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 20/28/32 ms

SELESAI

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