Use VXLAN encapsulation for pod traffic on Azure

Signed-off-by: Ciprian Hacman <[email protected]>

Author: hakman

pkg/model/components/calico.go

@@ -36,6 +36,9 @@ func (b *CalicoOptionsBuilder) BuildOptions(o *kops.Cluster) error {
 	}
 
 	c.EncapsulationMode = "ipip"
+	if o.GetCloudProvider() == kops.CloudProviderAzure {
+		c.EncapsulationMode = "vxlan"
+	}
 	if clusterSpec.IsIPv6Only() {
 		c.EncapsulationMode = "none"
 	}