I want that R5 knows a route to the subnet 192.168.8.0.
Configuration of R1:
interface Loopback0
ip address 192.168.100.1 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.8.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet1/0
ip address 192.168.2.1 255.255.255.0
duplex auto
speed auto
!
router bgp 100
no synchronization
bgp log-neighbor-changes
network 192.168.2.0
network 192.168.8.0
neighbor 192.168.8.2 remote-as 200
neighbor 192.168.100.5 remote-as 100
neighbor 192.168.100.5 update-source Loopback0
no auto-summary
!
Configuration of R4:
interface Loopback0
ip address 192.168.100.4 255.255.255.0
!
interface FastEthernet1/0
ip address 192.168.8.2 255.255.255.0
duplex auto
speed auto
!
router bgp 200
no synchronization
bgp log-neighbor-changes
network 192.168.8.0
neighbor 192.168.8.1 remote-as 100
no auto-summary
!
Configuration of R5:
!
interface Loopback0
ip address 192.168.100.5 255.255.255.0
!
interface FastEthernet0/0
ip address 192.168.2.2 255.255.255.0
duplex auto
speed auto
!
router bgp 100
no synchronization
bgp log-neighbor-changes
network 192.168.2.0
neighbor 192.168.100.1 remote-as 100
neighbor 192.168.100.1 update-source Loopback0
no auto-summary
!