$ oc patch Network.operator.openshift.io/cluster --type=merge -p '{
"spec": { "additionalRoutingCapabilities": null }
}'
To stop external route advertisement and restore standard cluster networking behavior, disable OVN-Kubernetes Border Gateway Protocol (BGP) routing.
As a cluster administrator, you can disable OVN-Kubernetes BGP routing support for your cluster.
Disable Border Gateway Protocol (BGP) routing for your cluster by removing additional routing capabilities from the network configuration.
As a cluster administrator, you can disable BGP routing support for your cluster on bare-metal infrastructure.
You have installed the OpenShift CLI (oc).
You are logged in to the cluster as a user with the cluster-admin role.
The cluster is installed on compatible infrastructure.
To disable dynamic routing, enter the following command:
$ oc patch Network.operator.openshift.io/cluster --type=merge -p '{
"spec": { "additionalRoutingCapabilities": null }
}'