OKE Cluster Node Connection Failure Via Load Balancer Using IPv6 Protocol
(Doc ID 2468394.1)
Last updated on OCTOBER 20, 2021
Applies to:Oracle Cloud Infrastructure - Oracle Container Engine for Kubernetes - Version N/A and later
Information in this document applies to any platform.
1. Create 2 OKE clusters which have 3 instances and each OKE Cluster has a subnet.
Just say, OKE Cluster#1 and OKE Cluster#2.
2. Create node port in each OKE cluster instance and service running using node port.
3. The services with direct connectivity between OKE cluster#1 Node and OKE Cluster#2 Node must work fine.
And there should be no connectivity issue between each OKE Cluster Node Port.
4. Create a Load Balancer for use between OKE clusters.
5. Notice that the connection via Load balancer is failing between OKE Cluster#1 Node port and OKE Cluster#2 Node port.
Upon checking, it was found that the instance in OKE Cluster uses IPv6.
Does IPv6 cause a connection issue when using Load Balancer?
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