{"id":"udn-default-join-subnet-must-be-avoided","text":"OVN-Kubernetes uses `100.64.0.0/16` as default join subnet; UDN `joinSubnets` must not use this range; default UDN joinSubnets are `100.65.0.0/16` (IPv4) and `fd99::/64` (IPv6)","truth_value":"IN","source":"entries/2026/03/05/en-documentation-openshift_container_platform-417-html-multiple_networks-primary.md","source_url":"","source_hash":"d979a957d3909028","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"udn-default-join-subnet-must-be-avoided","truth_value":"IN","reason":"premise"}]}}