docker_bird_bgp

BGP routing examples based on BIRD and docker. This repository contains 2 examples (simple and advanced) that help you understand how BIRD flies. Feel free to change the configs, enjoy the game.

Contents

• 1   Download sandbox
• 2   Simple config1
  • 2.1   BIRD configs
  • 2.2   Similar Cisco configs
  • 2.3   Dockers
• 3   Advanced config2
  • 3.1   BIRD configs
  • 3.2   Similar Cisco configs
  • 3.3   Dockers

1   Download sandbox

git clone https://github.com/vladimirs-git/docker_bird_bgp.git
cd docker_bird_bgp

2   Simple config1

2.1   BIRD configs

router1

router id 10.0.0.1;

protocol kernel {
  metric 0;
  import none;
  learn;
  export all;
}

protocol device {
}

protocol direct {
}

protocol bgp router2 {
  local as 65001;
  neighbor 10.1.2.102 as 65002;
  import all;
  export all;
}

router2

router id 10.0.0.2;

protocol kernel {
  metric 0;
  import none;
  learn;
  export all;
}

protocol device {
}

protocol direct {
}

protocol bgp router1 {
  local as 65002;
  neighbor 10.1.2.101 as 65001;
  import all;
  export all;
}

2.2   Similar Cisco configs

router1

router bgp 65001
 bgp router-id 10.0.0.1
 neighbor 10.1.2.102 remote-as 65002
 !
 address-family ipv4
  neighbor 10.1.2.102 activate

router2

router bgp 65002
 bgp router-id 10.0.0.2
 neighbor 10.1.2.101 remote-as 65001
 !
 address-family ipv4
  neighbor 10.1.2.101 activate

2.3   Dockers

Dockers up

docker-compose -f docker-compose1.yml up -d

BIRD show output

docker-compose -f docker-compose1.yml exec router1 bash

root@router1:/# birdc
BIRD 1.6.6 ready.

bird> show protocol
name     proto    table    state  since       info
kernel1  Kernel   master   up     19:59:57
device1  Device   master   up     19:59:57
direct1  Direct   master   up     19:59:57
router2  BGP      master   up     20:00:01    Established

bird> show route
10.1.11.0/24       dev eth0 [direct1 19:59:57] * (240)
10.2.11.0/24       via 10.1.2.102 on eth1 [router2 20:00:01] * (100) [AS65002i]
10.1.2.0/24        dev eth1 [direct1 19:59:57] * (240)
                   via 10.1.2.102 on eth1 [router2 20:00:01] (100) [AS65002i]

bird> exit
root@router1:/# exit

Dockers down

docker-compose -f docker-compose1.yml down

3   Advanced config2

3.1   BIRD configs

TODO documentation

3.2   Similar Cisco configs

TODO documentation

3.3   Dockers

Dockers up

docker-compose -f docker-compose2.yml up -d

BIRD show output

docker-compose -f docker-compose2.yml exec router1 bash

root@router1:/# birdc
BIRD 1.6.6 ready.

bird> show protocol
name     proto    table    state  since       info
kernel1  Kernel   master   up     20:01:24
device1  Device   master   up     20:01:24
direct1  Direct   master   up     20:01:24
router2  BGP      master   up     20:01:28    Established
router3  BGP      master   up     20:01:28    Established
router4  BGP      master   up     20:01:27    Established

bird> show route
0.0.0.0/0          via 10.1.4.104 on eth3 [router4 20:01:26] ! (100) [AS65004i]
                   via 10.1.2.102 on eth1 [router2 20:01:27] (100) [AS65004i]
                   via 10.1.3.103 on eth2 [router3 20:01:27] (100) [AS65004i]
10.1.11.0/24       dev eth0 [direct1 20:01:23] * (240)
10.0.0.0/8         via 10.1.2.102 on eth1 [router2 20:01:27] * (100) [AS65004i]
                   via 10.1.3.103 on eth2 [router3 20:01:27] (100) [AS65004i]
                   via 10.1.4.104 on eth3 [router4 20:01:26] (100) [AS65004i]
10.1.4.0/24        dev eth3 [direct1 20:01:23] * (240)
10.1.2.0/24        dev eth1 [direct1 20:01:23] * (240)
10.1.3.0/24        dev eth2 [direct1 20:01:23] * (240)

bird> show route all where net = 10.0.0.0/8
10.0.0.0/8         via 10.1.2.102 on eth1 [router2 20:01:27] * (100) [AS65004i]
        Type: BGP unicast univ
        BGP.origin: IGP
        BGP.as_path: 65002 65004
        BGP.next_hop: 10.1.2.102
        BGP.local_pref: 100
        BGP.community: (65004,2)
                   via 10.1.3.103 on eth2 [router3 20:01:27] (100) [AS65004i]
        Type: BGP unicast univ
        BGP.origin: IGP
        BGP.as_path: 65002 65004
        BGP.next_hop: 10.1.3.103
        BGP.local_pref: 100
        BGP.community: (65004,2)
                   via 10.1.4.104 on eth3 [router4 20:01:26] (100) [AS65004i]
        Type: BGP unicast univ
        BGP.origin: IGP
        BGP.as_path: 65004 65004 65004
        BGP.next_hop: 10.1.4.104
        BGP.local_pref: 100

bird> show route protocol router4
0.0.0.0/0          via 10.1.4.104 on eth3 [router4 20:01:26] ! (100) [AS65004i]
10.0.0.0/8         via 10.1.4.104 on eth3 [router4 20:01:26] (100) [AS65004i]

bird> show route export router4
10.1.11.0/24       dev eth0 [direct1 20:01:24] * (240)

bird> exit
root@router1:/# exit

Dockers down

docker-compose -f docker-compose2.yml down