IPv4 / IPv6 Dualstack on K8s
public documentation
calico:
- https://www.projectcalico.org/dual-stack-operation-with-calico-on-kubernetes
- https://docs.projectcalico.org/networking/ipv6#modifying-your-dns-for-ipv6
summary
- you must run kube-proxy in IPVS mode
- for openstack security groups you have to enable "Other Protocols" for using IPIP (and probably also VxLan)
- protocol 4
- protocol 41
- ipv6 forwarding
- ipspoofing in openstack enabled for calico (required)