stp_example.yaml

---

# Based on https://sunnynetwork.wordpress.com/2017/02/06/lab-37-linux-bridge-with-linux-containers-lxc/
#
#  host11 --- vnet-br0 - vnet-veth0 --- vnet-veth1 - vnet-br1 --- host22
#                |                                       |
#           vnet-veth2                              vnet-veth4
#                |                                       |
#                |                                       |
#                |                                       |
#            vnet-veth3 ---- vnet-br2 --- vnet-veth5 --- |
#                               |
#                             host33

switches: 3

veths:
  # Peer should only be defined once for a veth pair. But each veth needs a bridge to attach to.
  # Enabling STP can be done per vnet-br. It doesn't matter to duplicate, as the operation is idempotent
  vnet-veth0:
    peer: vnet-veth1
    bridge: vnet-br0
    stp: true
  vnet-veth1:
    bridge: vnet-br1
    stp: true
  vnet-veth2:
    peer: vnet-veth3
    bridge: vnet-br0
  vnet-veth3:
    bridge: vnet-br2
    stp: true
  vnet-veth4:
    peer: vnet-veth5
    bridge: vnet-br1
  vnet-veth5:
    bridge: vnet-br2

machines:
  host11:
    type: host
    interfaces:
      eth1:
        ipv4: 10.0.1.1/24
        ipv6: fd00:12::1/64
        mac: 00:00:00:00:00:11
        bridge: 0
  host22:
    type: host
    interfaces:
      eth2:
        ipv4: 10.0.1.2/24
        ipv6: fd00:12::2/64
        mac: 00:00:00:00:00:22
        bridge: 1
  host33:
    type: host
    interfaces:
      eth3:
        ipv4: 10.0.1.3/24
        ipv6: fd00:12::3/64
        mac: 00:00:00:00:00:33
        bridge: 2