frr-iou-bfd.yml

#             +---------+
#             |         |
#             |   RT1   |
#             | 1.1.1.1 |
#             |         |
#             +---------+
#                  |rt1-eth0 (.1)
#                  |
#                  |10.0.1.0/24
#                  |
#                  |rt2-eth0 (.2)
#             +---------+
#             |         |
#             |   RT2   |
#             | 2.2.2.2 |
#             |         |
#             +---------+
#                  |rt2-eth1 (.2)
#                  |
#                  |
#       +----------+----------+
#       |      10.0.2.0/24    |
#       |                     |
#       |rt3-eth0 (.3)        |rt4-eth0 (.4)
#  +---------+           +---------+
#  |         |           |         |
#  |   RT3   |           |   RT4   |
#  | 3.3.3.3 |           | 4.4.4.4 |
#  |         |           |         |
#  +---------+           +---------+

---

routers:

  rt1:
    links:
      rt1-lo1:
        ipv4: 1.1.1.1/32
      rt1-eth0:
        peer: [rt2, rt2-eth0]
        ipv4: 10.0.1.1/24
    frr:
      zebra:
        config: |
          ip route 10.0.2.0/24 10.0.1.2
      bfdd:
        args: "--bfdctl /var/run/frr/ebfdd.sock"
        config: |
          bfd
           peer 10.0.1.2
            receive-interval 50
            transmit-interval 50
            no shutdown
          !
      bgpd:
        config: |
          router bgp 1
           neighbor 10.0.1.2 remote-as 1
           neighbor 10.0.1.2 bfdd
           !
           address-family ipv4 unicast
            network 1.1.1.1/32
           exit-address-family
           !
          !
    shell: |
      ebfdd -C /var/run/frr/ebfdd.sock >/dev/null 2>&1 &

  rt2:
    links:
      rt2-lo1:
        ipv4: 2.2.2.2/32
      rt2-eth0:
        peer: [rt1, rt1-eth0]
        ipv4: 10.0.1.2/24
      rt2-eth1:
        peer: [sw1, sw1-1]
        ipv4: 10.0.2.2/24
    frr:
      zebra:
        config: |
      bfdd:
        args: "--bfdctl /var/run/frr/ebfdd.sock"
        config: |
          bfd
           peer 10.0.1.2
            receive-interval 50
            transmit-interval 50
            no shutdown
            exit
           !
           peer 10.0.2.3
            receive-interval 50
            transmit-interval 50
            no shutdown
            exit
           !
           peer 10.0.2.4
            receive-interval 50
            transmit-interval 50
            no shutdown
            exit
           !
          !
      bgpd:
        config: |
          router bgp 1
           neighbor 10.0.1.1 remote-as 1
           neighbor 10.0.1.1 bfdd
           neighbor 10.0.2.3 remote-as 1
           neighbor 10.0.2.3 bfdd
           neighbor 10.0.2.4 remote-as 1
           neighbor 10.0.2.4 bfdd
           !
           address-family ipv4 unicast
            network 2.2.2.2/32
            neighbor 10.0.1.1 route-reflector-client
            neighbor 10.0.2.3 route-reflector-client
            neighbor 10.0.2.4 route-reflector-client
           exit-address-family
           !
          !
    shell: |
      ebfdd -C /var/run/frr/ebfdd.sock >/dev/null 2>&1 &

  rt3:
    links:
      rt3-lo1:
        ipv4: 3.3.3.3/32
      rt3-eth0:
        peer: [sw1, sw1-2]
        ipv4: 10.0.2.3/24
    frr:
      zebra:
        config: |
          ip route 10.0.1.0/24 10.0.2.2
      bfdd:
        args: "--bfdctl /var/run/frr/ebfdd.sock"
        config: |
          bfd
           peer 10.0.2.2
            receive-interval 50
            transmit-interval 50
            no shutdown
          !
      bgpd:
        config: |
          router bgp 1
           neighbor 10.0.2.2 remote-as 1
           neighbor 10.0.2.2 bfdd
           !
           address-family ipv4 unicast
            network 3.3.3.3/32
           exit-address-family
           !
          !
    shell: |
      ebfdd -C /var/run/frr/ebfdd.sock >/dev/null 2>&1 &

  rt4:
    links:
      e0-0:
        peer: [sw1, sw1-3]
    iou:
      image: l3-adventerprisek9-15.4.1T
      config: |
        ip route 10.0.1.0 255.255.255.0 10.0.2.2
        !
        interface lo1
         ip address 4.4.4.4 255.255.255.255
        !
        interface e0/0
         ip address 10.0.2.4 255.255.255.0
         bfd interval 50 min_rx 50 multiplier 3
         no shutdown
        !
        router bgp 1
         neighbor 10.0.2.2 remote-as 1
         neighbor 10.0.2.2 fall-over bfd
         !
         address-family ipv4 unicast
          network 4.4.4.4/32
         exit-address-family
         !
        !

switches:
  sw1:
    links:
      sw1-1:
        peer: [rt2, rt2-eth1]
      sw1-2:
        peer: [rt3, rt3-eth0]
      sw1-3:
        peer: [rt4, rt4-eth0]

frr:
  base-configs:
    all: |
      hostname %(node)-%(daemon)
      password 1
      log file %(logdir)/%(node)-%(daemon).log
    zebra: |
      debug zebra kernel
    bgpd: |
      debug bgp zebra

iou:
  base-config: |
    hostname %(node)
    no ip domain lookup
    !
    line con 0
     exec-timeout 0 0
     logging synchronous
     privilege level 15
     no login
    !