Difference between revisions of "Cisco: OSPF Sederhana"

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Line 3: Line 3:
  
 
Router1:
 
Router1:
 
  
 
  enable
 
  enable
Line 21: Line 20:
 
     ip address 192.168.122.101 255.255.255.0 secondary
 
     ip address 192.168.122.101 255.255.255.0 secondary
 
     ip address 192.168.122.102 255.255.255.0 secondary
 
     ip address 192.168.122.102 255.255.255.0 secondary
    ip nat outside
 
 
     no shutdown
 
     no shutdown
 
     ip route 0.0.0.0 0.0.0.0 192.168.122.1
 
     ip route 0.0.0.0 0.0.0.0 192.168.122.1
    ip nat pool no-overload 192.168.122.100 192.168.122.102 prefix 24
 
    ip nat inside source list 7 pool no-overload
 
 
 
 
   ip route 192.168.2.0 255.255.255.0 172.16.1.2
 
   ip route 192.168.2.0 255.255.255.0 172.16.1.2
  !
 
  ! access NAT permit ke LAN 192.168.1.0/24 & 192.168.2.0/24
 
  ! 192.168.2.0/24 berada di R2
 
  access-list 7 permit 192.168.1.0 0.0.0.255
 
  access-list 7 permit 192.168.2.0 0.0.0.255
 
 
   exit
 
   exit
 
 
 
/ip address add address=10.10.1.1/30 interface=ether1
 
/ip address add address=10.10.1.5/30 interface=ether2
 
/ip address add address=210.13.1.0/28 interface=ether3  # kalau ether3 statik
 
/ip dhcp-client add interface=ether3 disabled=no        # kalau ether3 DHCP client
 
 
/ip firewall nat add chain=srcnat out-interface=ether3 action=masquareade
 
/ip firewall nat print
 
 
 
  
 
Router2:
 
Router2:

Revision as of 17:06, 23 December 2018

Image6005.gif


Router1:

enable
configure terminal
  interface ethernet1/1
    ip address 10.10.1.1 255.255.255.252
    no shutdown
    exit
  interface ethernet1/2
    ip address 10.10.1.5 255.255.255.252
    no shutdown
    exit
  !
  ! NAT GNS3 gw 192.168.122.1
  interface ethernet1/3
    ip address 192.168.122.100 255.255.255.0
    ip address 192.168.122.101 255.255.255.0 secondary
    ip address 192.168.122.102 255.255.255.0 secondary
    no shutdown
    ip route 0.0.0.0 0.0.0.0 192.168.122.1
  ip route 192.168.2.0 255.255.255.0 172.16.1.2
  exit

Router2:

/ip address add address=10.10.1.6/30 interface=ether1
/ip address add address=10.10.1.9/30 interface=ether2
/ip address add address=172.16.1.1/16 interface=ether3

Router3:

/ip address add address=10.10.1.2/30 interface=ether1
/ip address add address=10.10.1.10/30 interface=ether2
/ip address add address=192.168.1.1/24 interface=ether3


Ada tiga (3) elemen dasar konfigurasi OSPF:

  • Enable OSPF instance
  • OSPF area configuration
  • OSPF network configuration

instance name=default sudah ada, tidak perlu di tambahkan, tapi kalau perlu menambahkan caranya adalah sebagai berikut

R1:

/routing ospf instance add name=default
/routing ospf instance enable default

R2:

/routing ospf instance add name=default
/routing ospf instance enable default

R3:

/routing ospf instance add name=default
/routing ospf instance enable default

Cek

/routing ospf instance print 
Flags: X - disabled 
 0   name="default" 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 redistribute-other-ospf=no 
     metric-default=1 metric-connected=20 metric-static=20 metric-rip=20 
     metric-bgp=auto metric-other-ospf=auto in-filter=ospf-in 
out-filter=ospf-out


Catatan: Ingat bahwa backbone area-id adalah 0.0.0.0.

R1

/routing ospf network add network=10.10.1.0/30 area=backbone
/routing ospf network add network=10.10.1.4/30 area=backbone 

R2

/routing ospf network add network=10.10.1.4/30 area=backbone 
/routing ospf network add network=10.10.1.8/30 area=backbone 
/routing ospf network add network=172.16.0.0/16 area=backbone 

R3

/routing ospf network add network=10.10.1.0/30 area=backbone 
/routing ospf network add network=10.10.1.8/30 area=backbone 
/routing ospf network add network=192.168.1.0/24 area=backbone

Atau kalau di aggregate

R1:

/routing ospf network add network=10.10.1.0/24 area=backbone


R2:

/routing ospf network add network=172.16.0.0/16 area=backbone
/routing ospf network add network=10.10.1.0/24 area=backbone

R3:

/routing ospf network add network=192.168.1.0/24 area=backbone
/routing ospf network add network=10.10.1.0/24 area=backbone

Verify

Cek

R1:

/routing ospf interface print
/routing ospf neighbor print
/ip route print

Lakukan yang sama untuk R2, R3





Referensi


Pranala Menarik