Simple Cisco GRE Tunnel

SIMPLE GRE TUNNEL

JAKARTA#show run
!
hostname JAKARTA
!
!
interface Tunnel0
ip address 5.5.5.5 255.255.255.0
tunnel source Serial0/0
tunnel destination 20.0.0.1
!
interface Serial0/0
description *** CONNECTION TO ISP ***
ip address 10.0.0.1 255.255.255.0
serial restart-delay 0
!
interface FastEthernet1/0
description *** CONNECTION TO LAN ***
ip address 192.168.10.1 255.255.255.0
duplex auto
speed auto
!
ip route 0.0.0.0 0.0.0.0 10.0.0.2
ip route 192.168.20.0 255.255.255.0 5.5.5.6

JAKARTA#

JAKARTA#sh ip int br
Interface                    IP-Address      OK?     Method    Status    Protocol
Serial0/0                    10.0.0.1              YES     manual    up                up
FastEthernet1/0   192.168.10.1     YES     manual    up                up
Tunnel0                     5.5.5.5                YES     manual    up                up
JAKARTA#

SURABAYA#show run
!
hostname SURABAYA
!
interface Tunnel0
ip address 5.5.5.6 255.255.255.0
tunnel source Serial0/0
tunnel destination 10.0.0.1
!
interface Serial0/0
description **** CONNECTION TO ISP ***
ip address 20.0.0.1 255.255.255.0
serial restart-delay 0
!
!
interface FastEthernet1/0
description desc *** CONNECTION TO LAN ***
ip address 192.168.20.1 255.255.255.0
!
ip route 0.0.0.0 0.0.0.0 20.0.0.2
ip route 192.168.10.0 255.255.255.0 5.5.5.5
!
SURABAYA#sh ip int br
Interface                    IP-Address     OK?       Method Status Protocol
Serial0/0                   20.0.0.1             YES        manual  up            up
FastEthernet1/0   192.168.20.1   YES        manual  up            up
Tunnel0                     5.5.5.6                YES       manual  up             up
SURABAYA#


full Image network topology

basic-gre-tunnel3

~ by feryjunaedi on February 23, 2009.

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