Silahkan baca teori OSPF pada link tautan inihttp://www.scribd.com/doc/38620524/Multi-Area-OSPF
Implementasi pada Router Mikrotik versi 3.30
Konsep OSFP Area 0
R1
[codesyntax lang="bash"]
/ip address add address=192.168.1.37/24 interface=ether1
/ip address add address=10.10.10.1/30 interface=ether2
/ip address add address=10.10.11.1/30 interface=ether3
/ip address print
Flags: X – disabled, I – invalid, D – dynamic
# ADDRESS NETWORK BROADCAST INTERFACE
0 192.168.1.37/24 192.168.1.0 192.168.1.255 ether1
1 10.10.10.1/30 10.10.10.0 10.10.10.3 ether2
2 10.10.11.1/30 10.10.11.0 10.10.11.3 ether3
/routing ospf interface add interface=ether2 cost=10
/routing ospf interface add interface=ether3 cost=50
/routing ospf interface print
Flags: X – disabled, I – inactive, D – dynamic, P – passive
# INTERFACE COST PRIORITY NETWORK-TYPE AUTHENTICATION AUTHENTICATION-KEY
0 ether2 10 1 broadcast none
1 ether3 50 1 broadcast none
/routing ospf set distribute-default=always-as-type-1
/routing ospf set redistribute-connected=as-type-1
/routing ospf set redistribute-static=as-type-1
/routing ospf print
router-id: 0.0.0.0
distribute-default: always-as-type-1
redistribute-connected: as-type-1
redistribute-static: as-type-1
redistribute-rip: no
redistribute-bgp: no
metric-default: 1
metric-connected: 20
metric-static: 20
metric-rip: 20
metric-bgp: 20
mpls-te-area: unspecified
mpls-te-router-id: unspecified
/routing ospf network add network=10.10.10.0/30 area=backbone
/routing ospf network add network=10.10.11.0/30 area=backbone
/routing ospf network print
Flags: X – disabled, I – invalid
# NETWORK AREA
0 10.10.11.0/30 backbone
1 10.10.10.0/30 backbone
/routing ospf route print
# DESTINATION STATE COST GATEWAY INTERFACE
0 0.0.0.0/0 imported 1 0.0.0.0
1 10.10.10.0/30 intra-area 10 0.0.0.0 ether2
2 10.10.11.0/30 intra-area 50 0.0.0.0 ether3
3 10.10.12.0/30 intra-area 110 10.10.10.2 ether2
4 192.168.1.0/24 imported 20 0.0.0.0
5 192.168.2.0/24 ext-1 70 10.10.11.2 ether3
6 192.168.3.0/24 ext-1 30 10.10.10.2 ether2
/ip route print
Flags: X – disabled, A – active, D – dynamic, C – connect, S – static, r – rip, b – bgp, o – ospf, m – mme,
B – blackhole, U – unreachable, P – prohibit
# DST-ADDRESS PREF-SRC GATEWAY-STATE GATEWAY DISTANCE INTERFACE
0 A S 0.0.0.0/0 reachable 192.168.1.21 1 ether1
1 ADC 10.10.10.0/30 10.10.10.1 0 ether2
2 ADC 10.10.11.0/30 10.10.11.1 0 ether3
3 ADo 10.10.12.0/30 reachable 10.10.10.2 110 ether2
4 ADC 192.168.1.0/24 192.168.1.37 0 ether1
5 ADo 192.168.2.0/24 reachable 10.10.11.2 110 ether3
6 ADo 192.168.3.0/24 reachable 10.10.10.2 110 ether2
[/codesyntax]
Supaya Router R1 dapat berkomunikasi dengan Internet maka harus ditambhakan NAT pada Router R1 dengan cara masukan perintah dibawah ini:
[codesyntax lang="bash"]
/ip firewall nat add action=masquerade out-interface=ether1 chain: srcnat
[/codesyntax]
R2
[codesyntax lang="bash"]
/ip address add address=10.10.10.2/30 interface=ether1
/ip address add address=10.10.12.2/30 interface=ether2
/ip address add address=192.168.3.1/24 interface=ether3
/ip address print
Flags: X – disabled, I – invalid, D – dynamic
# ADDRESS NETWORK BROADCAST INTERFACE
0 10.10.10.2/30 10.10.10.0 10.10.10.3 ether1
1 10.10.12.2/30 10.10.12.0 10.10.12.3 ether2
2 192.168.3.1/24 192.168.3.0 192.168.3.255 ether3
/routing ospf interface add interface=ether1 cost=10
/routing ospf interface add interface=ether2 cost=100
/routing ospf interface print
Flags: X – disabled, I – inactive, D – dynamic, P – passive
# INTERFACE COST PRIORITY NETWORK-TYPE AUTHENTICATION AUTHENTICATION-KEY
0 ether1 10 1 broadcast none
1 ether2 100 1 broadcast none
/routing ospf set distribute-default=never
/routing ospf set redistribute-connected=as-type-1
/routing ospf set redistribute-static=as-type-1
/routing ospf print
router-id: 0.0.0.0
distribute-default: never
redistribute-connected: as-type-1
redistribute-static: as-type-1
redistribute-rip: no
redistribute-bgp: no
metric-default: 1
metric-connected: 20
metric-static: 20
metric-rip: 20
metric-bgp: 20
mpls-te-area: unspecified
mpls-te-router-id: unspecified
/routing ospf network add network=10.10.10.0/30 area=backbone
/routing ospf network add network=10.10.12.0/30 area=backbone
/routing ospf network print
Flags: X – disabled, I – invalid
# NETWORK AREA
0 10.10.10.0/30 backbone
1 10.10.12.0/30 backbone
/routing ospf route print
# DESTINATION STATE COST GATEWAY INTERFACE
0 0.0.0.0/0 ext-1 11 10.10.10.1 ether1
1 10.10.10.0/30 intra-area 10 0.0.0.0 ether1
2 10.10.11.0/30 intra-area 60 10.10.10.1 ether1
3 10.10.12.0/30 intra-area 100 0.0.0.0 ether2
4 192.168.1.0/24 ext-1 30 10.10.10.1 ether1
5 192.168.2.0/24 ext-1 80 10.10.10.1 ether1
6 192.168.3.0/24 imported 20 0.0.0.0
/ip route print
Flags: X – disabled, A – active, D – dynamic, C – connect, S – static, r – rip, b – bgp, o – ospf, m – mme,
B – blackhole, U – unreachable, P – prohibit
# DST-ADDRESS PREF-SRC GATEWAY-STATE GATEWAY DISTANCE INTERFACE
0 ADo 0.0.0.0/0 reachable 10.10.10.1 110 ether1
1 ADC 10.10.10.0/30 10.10.10.2 0 ether1
2 ADo 10.10.11.0/30 reachable 10.10.10.1 110 ether1
3 ADC 10.10.12.0/30 10.10.12.2 0 ether2
4 ADo 192.168.1.0/24 reachable 10.10.10.1 110 ether1
5 ADo 192.168.2.0/24 reachable 10.10.10.1 110 ether1
6 ADC 192.168.3.0/24 192.168.3.1 0 ether3
[/codesyntax]
R3
[codesyntax lang="bash"]
/ip address add address=10.10.11.2/30 interface=ether1
/ip address add address=10.10.12.1/30 interface=ether2
/ip address add address=192.168.2.1/24 interface=ether3
/ip address print
Flags: X – disabled, I – invalid, D – dynamic
# ADDRESS NETWORK BROADCAST INTERFACE
0 10.10.11.2/30 10.10.11.0 10.10.11.3 ether1
1 10.10.12.1/30 10.10.12.0 10.10.12.3 ether2
2 192.168.2.1/24 192.168.2.0 192.168.2.255 ether3
/routing ospf interface add interface=ether1 cost=50
/routing ospf interface add interface=ether2 cost=100
/routing ospf interface print
Flags: X – disabled, I – inactive, D – dynamic, P – passive
# INTERFACE COST PRIORITY NETWORK-TYPE AUTHENTICATION AUTHENTICATION-KEY
0 ether1 50 1 broadcast none
1 ether2 100 1 broadcast none
/routing ospf set distribute-default=never
/routing ospf set redistribute-connected=as-type-1
/routing ospf set redistribute-static=as-type-1
/routing ospf print
router-id: 0.0.0.0
distribute-default: never
redistribute-connected: as-type-1
redistribute-static: as-type-1
redistribute-rip: no
redistribute-bgp: no
metric-default: 1
metric-connected: 20
metric-static: 20
metric-rip: 20
metric-bgp: 20
mpls-te-area: unspecified
mpls-te-router-id: unspecified
/routing ospf network add network=10.10.11.0/30 area=backbone
/routing ospf network add network=10.10.12.0/30 area=backbone
/routing ospf network print
Flags: X – disabled, I – invalid
# NETWORK AREA
0 10.10.11.0/30 backbone
1 10.10.12.0/30 backbone
/routing ospf route print
# DESTINATION STATE COST GATEWAY INTERFACE
0 0.0.0.0/0 ext-1 51 10.10.11.1 ether1
1 10.10.10.0/30 intra-area 60 10.10.11.1 ether1
2 10.10.11.0/30 intra-area 50 0.0.0.0 ether1
3 10.10.12.0/30 intra-area 100 0.0.0.0 ether2
4 192.168.1.0/24 ext-1 70 10.10.11.1 ether1
5 192.168.2.0/24 imported 20 0.0.0.0
6 192.168.3.0/24 ext-1 80 10.10.11.1 ether1
/ip route print
Flags: X – disabled, A – active, D – dynamic, C – connect, S – static, r – rip, b – bgp, o – ospf, m – mme,
B – blackhole, U – unreachable, P – prohibit
# DST-ADDRESS PREF-SRC GATEWAY-STATE GATEWAY DISTANCE INTERFACE
0 ADo 0.0.0.0/0 reachable 10.10.11.1 110 ether1
1 ADo 10.10.10.0/30 reachable 10.10.11.1 110 ether1
2 ADC 10.10.11.0/30 10.10.11.2 0 ether1
3 ADC 10.10.12.0/30 10.10.12.1 0 ether2
4 ADo 192.168.1.0/24 reachable 10.10.11.1 110 ether1
5 ADC 192.168.2.0/24 192.168.2.1 0 ether3
6 ADo 192.168.3.0/24 reachable 10.10.11.1 110 ether1
[/codesyntax]
Referensi:
