c12s-kubespray/inventory/sample/group_vars/k8s-cluster/k8s-net-calico.yml

# see roles/network_plugin/calico/defaults/main.yml

## With calico it is possible to distributed routes with border routers of the datacenter.
## Warning : enabling router peering will disable calico's default behavior ('node mesh').
## The subnets of each nodes will be distributed by the datacenter router
#peer_with_router: false

# Enables Internet connectivity from containers
# nat_outgoing: true

# add default ippool name
# calico_pool_name: "default-pool"

# add default ippool CIDR (must be inside kube_pods_subnet, defaults to kube_pods_subnet otherwise)
# calico_pool_cidr: 1.2.3.4/5

# Global as_num (/calico/bgp/v1/global/as_num)
# global_as_num: "64512"

# You can set MTU value here. If left undefined or empty, it will
# not be specified in calico CNI config, so Calico will use built-in
# defaults. The value should be a number, not a string.
# calico_mtu: 1500

# Advertise Cluster IPs
# calico_advertise_cluster_ips: true