STATIS DEFAULT ROUTE
Tujuan
Setting static default route
Konsep Dasar
Static default route adalah static route dengan network address destination 0.0.0.0 dan subnetmask 0.0.0.0. Dikenal juga sebagai “quad zero” route. Static default route melakukan identifikasi
gateway yang akan digunakan oleh router untuk mengirimkan semua paket IP untuk network
destination yang tidak diketahui di routing table, sehingga akan diforward ke route 0.0.0.0/0.
Static default route:
- Default route dapat digunakan ketika network destination tidak diketahui (Internet)
- Default route dapat digunakan ketika hanya ada satu jalur keluar untuk semua network
destination
- Dapat mengurangi ukuran routing table
- Jika router tidak menemukan entry network destination di routing table, maka router akan
memforward paket ke default route
- Menjadi route pilihan terakhir di routing table
Router 1 :
Router>enable
Router#conf
Router#configure ter
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int fa 0/0
Router(config-if)#ip address 192.168.1.254 255.255.255.0
Router(config-if)#no sh
Router(config-if)#ex
Router(config)#int fa 0/1
Router(config-if)#ip address 12.12.12.1 255.255.255.0
Router(config-if)#no sh
Router(config-if)#ex
Router(config)#int lo1
Router(config-if)#ip address 172.16.1.1 255.255.255.0
Router(config-if)#ex
Router(config)#int lo2
Router(config-if)#ip address 172.16.2.2 255.255.255.0
Router(config-if)#ex
Router(config)#ip route 0.0.0.0 0.0.0.0 12.12.12.2
Router(config)#ip ro
% Incomplete command.
Router(config)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1,
changed state to up
Router(config)#show ip route
^
% Invalid input detected at '^' marker.
Router(config)#enable
% Incomplete command.
Router(config)#exit
Router#
%SYS-5-CONFIG_I: Configured from console by console
Router#exit
Router>enable
Router#conf
Router#configure ter
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#no ip route 192.168.2.0 255.255.255.0
12.12.12.2
%No matching route to delete
Router(config)#ip route 0.0.0.0 0.0.0.0 12.12.12.2
Router(config)#exit
Router#
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
i - IS-IS, 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
Gateway of last resort is 12.12.12.2 to network 0.0.0.0
12.0.0.0/24 is
subnetted, 1 subnets
C 12.12.12.0 is
directly connected, FastEthernet0/1
172.16.0.0/24 is
subnetted, 2 subnets
C 172.16.1.0 is
directly connected, Loopback1
C 172.16.2.0 is
directly connected, Loopback2
C 192.168.1.0/24 is
directly connected, FastEthernet0/0
S* 0.0.0.0/0 [1/0]
via 12.12.12.2
Router#
Router 2
Router>enable
Router#conf
Router#configure ter
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#
Router(config)#int fa0/0
Router(config-if)#ip address 192.168.2.254 255.255.255.0
Router(config-if)#no
sh
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to
up
%LINEPROTO-5-UPDOWN: Line protocol on Interface
FastEthernet0/0, changed state to up
Router(config-if)#int fa0/1
Router(config-if)#ip address 12.12.12.2 255.255.255.0
Router(config-if)#no sh
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to
up
%LINEPROTO-5-UPDOWN: Line protocol on Interface
FastEthernet0/1, changed state to up
Router(config-if)#int lo3
Router(config-if)#
%LINK-5-CHANGED: Interface Loopback3, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback3,
changed state to up
Router(config-if)#ip address 172.16.3.3 255.255.255.0
Router(config-if)#int lo4
Router(config-if)#
%LINK-5-CHANGED: Interface Loopback4, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback4,
changed state to up
Router(config-if)#ip address 172.16.4.4 255.255.255.0
Router(config-if)#
Router(config-if)#ip route 0.0.0.0 0.0.0.0 12.12.12.1
Router(config)#ip route 0.0.0.0 0.0.0.0 fa0/1
Router(config)#no sh
^
% Invalid input detected at '^' marker.
Router(config)#exit
Router#
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
i - IS-IS, 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
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
12.0.0.0/24 is
subnetted, 1 subnets
C 12.12.12.0 is
directly connected, FastEthernet0/1
172.16.0.0/24 is
subnetted, 2 subnets
C 172.16.3.0 is
directly connected, Loopback3
C 172.16.4.0 is
directly connected, Loopback4
C 192.168.2.0/24 is
directly connected, FastEthernet0/0
S* 0.0.0.0/0 [1/0]
via 12.12.12.1
is
directly connected, FastEthernet0/1
Router#
Pemberian IP pada Laptop:
Laptop 0
Laptop 1 :
HASIL TES BERHASIL:
Tes Laptop 1:
Tes Laptop 2 :
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