10.10. Removing an additional network
As a cluster administrator you can remove an additional network attachment.
10.10.1. Removing an additional network attachment definition
As a cluster administrator, you can remove an additional network from your OpenShift Container Platform cluster. The additional network is not removed from any pods it is attached to.
Prerequisites
-
Install the OpenShift CLI (
oc). -
Log in as a user with
cluster-adminprivileges.
Procedure
To remove an additional network from your cluster, complete the following steps:
Edit the Cluster Network Operator (CNO) in your default text editor by running the following command:
$ oc edit networks.operator.openshift.io cluster
Modify the CR by removing the configuration from the
additionalNetworkscollection for the network attachment definition you are removing.apiVersion: operator.openshift.io/v1 kind: Network metadata: name: cluster spec: additionalNetworks: [] 1- 1
- If you are removing the configuration mapping for the only additional network attachment definition in the
additionalNetworkscollection, you must specify an empty collection.
- Save your changes and quit the text editor to commit your changes.
Optional: Confirm that the additional network CR was deleted by running the following command:
$ oc get network-attachment-definition --all-namespaces
