sigs.k8s.io/cluster-api-provider-azure@v1.14.3/templates/addons/calico/patches/azure-mtu.yaml (about)

     1  kind: ConfigMap
     2  apiVersion: v1
     3  metadata:
     4    name: calico-config
     5    namespace: kube-system
     6  data:
     7    # On Azure, the underlying network has an MTU of 1400, even though the network interface will have an MTU of 1500.
     8    # We set this value to 1350 for “physical network MTU size minus 50” since we use VXLAN, which uses a 50-byte header.
     9    # If enabling Wireguard, this value should be changed to 1340 (Wireguard uses a 60-byte header).
    10    # https://docs.projectcalico.org/networking/mtu#determine-mtu-size
    11    veth_mtu: "1350"