R1

!
log file /var/log/quagga/zebra.log
log file /var/log/quagga/bgpd.log
!
service password-encryption
!
debug bgp
debug bgp events
debug bgp updates
debug bgp filters
debug bgp zebra
!
interface eth0
 description to ROUTER2
 ip address 192.168.200.1/28
 link-detect
 no multicast
!
interface eth1
 no link-detect
!
interface eth2
 description to SERVERS
 ip address 192.168.255.251/24
 link-detect
 no multicast
!
interface eth3
 no link-detect
!
interface eth4
 description to ISP_R1
 ip address 172.16.1.1/24
 link-detect
 no multicast
!
interface eth5
 no link-detect
!
interface eth6
 no link-detect
!
interface eth7
 no link-detect
!
interface lo
 ip address 192.168.56.2/32
 no link-detect
!
router bgp 64512
 bgp router-id 192.168.56.2
 redistribute connected
 redistribute static
 timers bgp 10 30
 neighbor 172.16.1.254 remote-as 65534
 neighbor 172.16.1.254 description ISP_R1
 neighbor 172.16.1.254 update-source 172.16.1.1
 neighbor 172.16.1.254 soft-reconfiguration inbound
 neighbor 172.16.1.254 route-map v4-default-only in
 neighbor 172.16.1.254 route-map v4-as65534-out out
 neighbor 192.168.56.3 remote-as 64512
 neighbor 192.168.56.3 description IBGP - ROUTER2
 neighbor 192.168.56.3 update-source 192.168.56.2
 neighbor 192.168.56.3 next-hop-self
 neighbor 192.168.56.3 soft-reconfiguration inbound
 neighbor 192.168.56.3 route-map v4-ibgp-in in
 neighbor 192.168.56.3 route-map v4-ibgp-out out
!
 address-family ipv6
 exit-address-family
 exit
!
ip route 0.0.0.0/0 172.16.1.254 254
ip route 192.168.56.3/32 192.168.200.2 254
ip route 192.168.255.0/24 Null0
!
ip prefix-list v4-blackhole seq 500 deny any
ip prefix-list v4-default-only seq 5 permit 0.0.0.0/0
ip prefix-list v4-default-only seq 500 deny any
ip prefix-list v4-loopback seq 5 permit 192.168.56.2/32
ip prefix-list v4-loopback seq 10 permit 192.168.56.3/32
ip prefix-list v4-loopback seq 500 deny any
ip prefix-list v4-mycompany-nets seq 5 permit 192.168.255.0/24 le 32
ip prefix-list v4-mycompany-nets seq 500 deny any
!
route-map DENY deny 1
!
route-map v4-default-only permit 100
 match ip address prefix-list v4-default-only
 set local-preference 200
!
route-map v4-default-only deny 500
!
route-map v4-as65534-out permit 200
 match ip address prefix-list v4-mycompany-nets
 set metric 100
 set origin igp
!
route-map v4-as65534-out deny 500
!
route-map v4-ibgp-in permit 500
!
route-map v4-ibgp-out permit 400
 match ip address prefix-list v4-default-only
 set local-preference 200
 set origin igp
!
route-map v4-ibgp-out permit 500
 match ip address prefix-list v4-loopback
 set origin igp
!
ip forwarding
!
line vty
 no login
!
end