- STEP 1
+Configure OSPF Full ROUTER : R4 , R5 , R6 , R7
+ Configure OSPF On F0/0 R1 ,( R3:F1/0 ) ( R2: F1/0)
- STEP 2 : Configure IBGP On ( R4-R1) , (R2-R5) , ( R3-R6-R7 )
+ R4 - R1 : IBGP AS 100
+ R2-R5 : IBGP AS 200
+ R3-R6-R7 :IBGP AS 300
- STEP 3: EBGP On R1-R2-R3
=============CONFIGURE ==========================
==========================R1====================
!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
!
!
!
interface Loopback0
no ip address
!
interface FastEthernet0/0
ip address 192.168.1.1 255.255.255.0
ip ospf 1 area 0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 201.93.13.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet1/0
ip address 201.93.12.1 255.255.255.0
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
!
router bgp 100
no synchronization
bgp log-neighbor-changes
network 201.93.12.0
network 201.93.13.0
neighbor 201.93.12.2 remote-as 200
neighbor 201.93.13.3 remote-as 300
neighbor 204.0.0.1 remote-as 100
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
no cdp run
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
====================R2=========================
!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
!
!
!
interface FastEthernet0/0
ip address 201.93.23.2 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 201.93.12.2 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet1/0
ip address 192.168.1.2 255.255.255.0
ip ospf 1 area 0
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
!
router bgp 200
no synchronization
bgp log-neighbor-changes
network 201.93.12.0
network 201.93.23.0
neighbor 201.93.12.1 remote-as 100
neighbor 201.93.23.3 remote-as 300
neighbor 205.0.0.1 remote-as 200
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
no cdp run
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
=======================R3======================
!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
!
!
!
interface FastEthernet0/0
ip address 201.93.13.3 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 201.93.23.3 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet1/0
ip address 192.168.1.3 255.255.255.0
ip ospf 1 area 0
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
!
router bgp 300
no synchronization
bgp log-neighbor-changes
network 201.93.13.0
network 201.93.23.0
neighbor 201.93.13.1 remote-as 100
neighbor 201.93.23.2 remote-as 200
neighbor 206.0.0.1 remote-as 300
neighbor 207.0.0.1 remote-as 300
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
no cdp run
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
========================R4=====================
!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
!
!
!
interface Loopback0
ip address 204.0.0.1 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.1.4 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
network 0.0.0.0 255.255.255.255 area 0
!
router bgp 100
no synchronization
bgp log-neighbor-changes
network 204.0.0.0
neighbor 192.168.1.1 remote-as 100
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
==========================R5==================
!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R5
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
!
!
!
interface Loopback0
ip address 205.0.0.1 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.1.5 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
network 0.0.0.0 255.255.255.255 area 0
!
router bgp 200
no synchronization
bgp log-neighbor-changes
network 205.0.0.0
neighbor 192.168.1.2 remote-as 200
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
===========================R6=================
!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R6
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
!
!
!
interface Loopback0
ip address 206.0.0.1 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.1.6 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 192.168.2.6 255.255.255.0
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
network 0.0.0.0 255.255.255.255 area 0
!
router bgp 300
no synchronization
bgp log-neighbor-changes
network 206.0.0.0
neighbor 192.168.1.3 remote-as 300
neighbor 207.0.0.1 remote-as 300
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
no cdp run
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
=======================R7=======================
!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R7
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
!
!
!
interface Loopback0
ip address 207.0.0.1 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.2.7 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
network 0.0.0.0 255.255.255.255 area 0
!
router bgp 300
no synchronization
bgp log-neighbor-changes
network 207.0.0.0
neighbor 192.168.1.3 remote-as 300
neighbor 206.0.0.1 remote-as 300
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
===========================VIDEO DEMO===================
https://www.youtube.com/watch?v=LIrQ8LRwdqs