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OpenShift Container Platform
4.12
Networking
Chapter 23. OVN-Kubernetes network plugin
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23.1. About the OVN-Kubernetes network plugin
23.1.1. OVN-Kubernetes purpose
23.1.2. Supported network plugin feature matrix
23.1.3. OVN-Kubernetes IPv6 and dual-stack limitations
23.1.4. Session affinity
23.2. OVN-Kubernetes architecture
23.2.1. Introduction to OVN-Kubernetes architecture
23.2.2. Listing all resources in the OVN-Kubernetes project
23.2.3. Listing the OVN-Kubernetes northbound database contents
23.2.4. Command-line arguments for ovn-nbctl to examine northbound database contents
23.2.5. Listing the OVN-Kubernetes southbound database contents
23.2.6. Command-line arguments for ovn-sbctl to examine southbound database contents
23.2.7. OVN-Kubernetes logical architecture
23.2.8. Additional resources
23.3. Troubleshooting OVN-Kubernetes
23.3.1. Monitoring OVN-Kubernetes health by using readiness probes
23.3.2. Viewing OVN-Kubernetes alerts in the console
23.3.3. Viewing OVN-Kubernetes alerts in the CLI
23.3.4. Viewing the OVN-Kubernetes logs using the CLI
23.3.5. Viewing the OVN-Kubernetes logs using the web console
23.3.6. Checking the OVN-Kubernetes pod network connectivity
23.3.7. Additional resources
23.4. Tracing Openflow with ovnkube-trace
23.4.1. Installing the ovnkube-trace on local host
23.4.2. Running ovnkube-trace
23.4.3. Additional resources
23.5. Migrating from the OpenShift SDN network plugin
23.5.1. Migration to the OVN-Kubernetes network plugin
23.5.2. Migrating to the OVN-Kubernetes network plugin
23.5.3. Additional resources
23.5.4. Understanding changes to external IP behavior in OVN-Kubernetes
23.6. Rolling back to the OpenShift SDN network provider
23.6.1. Migrating to the OpenShift SDN network plugin
23.6.2. Using an Ansible playbook to roll back to the OpenShift SDN network plugin
23.7. Converting to IPv4/IPv6 dual-stack networking
23.7.1. Converting to a dual-stack cluster network
23.7.2. Converting to a single-stack cluster network
23.8. Logging for egress firewall and network policy rules
23.8.1. Audit logging
23.8.2. Audit configuration
23.8.3. Configuring egress firewall and network policy auditing for a cluster
23.8.4. Enabling egress firewall and network policy audit logging for a namespace
23.8.5. Disabling egress firewall and network policy audit logging for a namespace
23.8.6. Additional resources
23.9. Configuring IPsec encryption
23.9.1. Prerequisites
23.9.2. Types of network traffic flows encrypted by IPsec
23.9.3. Encryption protocol and IPsec mode
23.9.4. Security certificate generation and rotation
23.9.5. Enabling IPsec encryption
23.9.6. Disabling IPsec encryption
23.9.7. Additional resources
23.10. Configuring an egress firewall for a project
23.10.1. How an egress firewall works in a project
23.10.2. EgressFirewall custom resource (CR) object
23.10.3. Creating an egress firewall policy object
23.11. Viewing an egress firewall for a project
23.11.1. Viewing an EgressFirewall object
23.12. Editing an egress firewall for a project
23.12.1. Editing an EgressFirewall object
23.13. Removing an egress firewall from a project
23.13.1. Removing an EgressFirewall object
23.14. Configuring an egress IP address
23.14.1. Egress IP address architectural design and implementation
23.14.2. EgressIP object
23.14.3. The egressIPConfig object
23.14.4. Labeling a node to host egress IP addresses
23.14.5. Next steps
23.14.6. Additional resources
23.15. Assigning an egress IP address
23.15.1. Assigning an egress IP address to a namespace
23.15.2. Additional resources
23.16. Considerations for the use of an egress router pod
23.16.1. About an egress router pod
23.16.2. Additional resources
23.17. Deploying an egress router pod in redirect mode
23.17.1. Egress router custom resource
23.17.2. Deploying an egress router in redirect mode
23.18. Enabling multicast for a project
23.18.1. About multicast
23.18.2. Enabling multicast between pods
23.19. Disabling multicast for a project
23.19.1. Disabling multicast between pods
23.20. Tracking network flows
23.20.1. Network object configuration for tracking network flows
23.20.2. Adding destinations for network flows collectors
23.20.3. Deleting all destinations for network flows collectors
23.20.4. Additional resources
23.21. Configuring hybrid networking
23.21.1. Configuring hybrid networking with OVN-Kubernetes
23.21.2. Additional resources
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