apiVersion: netweave.io/v1
kind: Topology
metadata:
  name: lb-web-tier
  description: Load balancer in front of three web servers.
devices:
  - hostname: lb-01
    type: load-balancer
    interfaces:
      - { name: eth0, kind: l3, ipv4: 203.0.113.10/32, description: "VIP" }
      - { name: eth1, kind: l3, ipv4: 10.50.0.1/24, description: "backend" }
  - hostname: sw-be
    type: l2-switch
    interfaces:
      - { name: Gi1/0/1, kind: trunk }
      - { name: Gi1/0/10, kind: access, vlan: 50 }
      - { name: Gi1/0/11, kind: access, vlan: 50 }
      - { name: Gi1/0/12, kind: access, vlan: 50 }
  - hostname: web-01
    type: server
    interfaces:
      - { name: eth0, kind: access, vlan: 50 }
  - hostname: web-02
    type: server
    interfaces:
      - { name: eth0, kind: access, vlan: 50 }
  - hostname: web-03
    type: server
    interfaces:
      - { name: eth0, kind: access, vlan: 50 }
links:
  - { a: { device: lb-01, interface: eth1 }, b: { device: sw-be, interface: Gi1/0/1 }, type: trunk }
  - { a: { device: sw-be, interface: Gi1/0/10 }, b: { device: web-01, interface: eth0 }, type: access }
  - { a: { device: sw-be, interface: Gi1/0/11 }, b: { device: web-02, interface: eth0 }, type: access }
  - { a: { device: sw-be, interface: Gi1/0/12 }, b: { device: web-03, interface: eth0 }, type: access }