bgp samples

bgpd.conf

!
! Zebra configuration saved from vty
!   2012/03/15 02:25:13
!
hostname bgpd
log file /var/log/quagga/bgpd.log
log stdout
!
router bgp 31377
 bgp router-id 17.16.0.1
 network 172.16.0.0/24
 neighbor cogent peer-group
 neighbor cogent remote-as 174
 neighbor cogent soft-reconfiguration inbound
 neighbor cogent prefix-list self-export out
 neighbor cogent route-map rm-cogent in
 neighbor 149.1.1.1 peer-group cogent
!
ip prefix-list self-export seq 5 permit 172.16.0.0/24
ip prefix-list self-export seq 10 deny any
!
ip community-list standard cogent-customers-eu permit 174:21101
ip community-list standard cogent-germany permit 174:22005
!
route-map rm-cogent permit 10
 match community cogent-germany
 set local-preference 110
!
route-map rm-cogent permit 20
 match community cogent-customers-eu
 set local-preference 110
!
line vty
!

bird.conf

log "/var/log/bird.log" all;

router id 172.16.0.1;
define myas = 31377;

protocol static static_ebgp { 
  import all;
  route 172.16.0.0/24 reject;
}

filter ebgp_in {
  if (174,21101) ~ bgp_community then {
    bgp_local_pref 110;
    accept;
  }
  if (174,22005) ~ bgp_community then {
    bgp_local_pref 110;
    accept;
  }
  else reject;
}

protocol device {
  scan time 10;
}

protocol kernel {
  export all;
}

protocol bgp ebgp_cogent {
  local as myas;
  description "cogent";
  neighbor 149.1.1.1 as 174;
  import filter ebgp_in;
  export where proto = "static_ebgp";
  default bgp_local_pref 50;
}