This topic provides answers to some frequently asked questions about container networks, Services, and Ingresses.
FAQ about container networks
- How do I resolve the issue that the cluster installed with the Terway network plug-in cannot access the Internet after I create a new vSwitch for the cluster?
- How do I resolve the issue that Flannel becomes incompatible with clusters of Kubernetes 1.16 or later after I manually upgrade Flannel?
- How do I resolve the issue that a pod is not immediately ready for communication after it is started?
- How do I enable a pod to access a Service that is exposed on the pod?
- Which network plug-in should I choose for an ACK cluster, Terway or Flannel?
- How do I plan the network of a cluster?
- Can I use hostPorts to create port mappings in an ACK cluster?
- Can I configure multiple route tables for the VPC where my cluster is deployed?
- How do I check the network type and vSwitches of a cluster?
- How do I check the cloud resources used in an ACK cluster?
- How do I resolve network errors of pods in the cluster?
- How do I obtain the public IP address of an application in the cluster?
- How do I resolve network errors that occur when the Terway network plug-in is used in exclusive ENI mode?
- How do I troubleshoot cluster connection issues?
- How do I resolve the issue that the IP addresses provided by the vSwitch are insufficient when the Terway network plug-in is used?
- How do I resolve the issue that the cluster cannot connect to the public IP address of the SLB instance that is associated with the LoadBalancer Service?
Service FAQ
FAQ about Server Load Balancer (SLB)
- Why are no events collected during the synchronization between a Service and an SLB instance?
- How do I handle an SLB instance that remains in the Pending state?
- What do I do if the vServer groups of an SLB instance are not updated?
- What do I do if the annotations of a Service do not take effect?
- Why is the configuration of an SLB instance modified?
- Why does the cluster fail to access the IP address of the SLB instance?
- What do I do if I accidentally delete an SLB instance?
- If I delete a Service, is the SLB instance associated with the Service automatically deleted?
- How do I rename an SLB instance when the CCM version is V1.9.3.10 or earlier?
- How does CCM calculate node weights in Local mode?
FAQ about Cloud Controller Manager (CCM) upgrades
FAQ about using existing SLB instances
Ingress FAQ
- Which Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocol versions are supported by Ingresses?
- Do Ingresses pass Layer 7 request headers?
- Can ingress-nginx forward requests to HTTPS Services at the backend?
- Do Ingresses pass client IP addresses at Layer 7?
- Does nginx-ingress-controller support HTTP Strict Transport Security (HSTS)?
- Which rewrite rules are supported by ingress-nginx?
- How do I fix the issue that Log Service cannot parse logs as expected after ingress-nginx-controller is upgraded?
- Configure an Ingress controller to use an internal-facing SLB instance
- What are the system updates after I upgrade the NGINX Ingress controller on the Add-ons page in the console?
- How do I configure ingress-nginx to use an existing SLB instance?
- How do I change Layer 4 listeners to Layer 7 listeners for ingress-nginx?
- Why does the "certificate signed by unknown authority" error occur when I create an Ingress?