How to setup DSR in Kubernetes with BIG-IP

Using Direct Server Return (DSR) in Kubernetes can have benefits when you have workloads that require low latency, high throughput, and/or you want to preserve the source IP address of the conn...
Published May 20, 2019
Version 1.0
application delivery
BIG-IP
cloud
kubernetes
LTM
Eric_Chen's avatar
Eric_Chen
Icon for Employee rankEmployee
Dec 03, 2019

FYI, if you want to emulate this in your lab, here is how I did the update via the API.

$ kubectl proxy --port=8001

next you need to dump the status of the service

$  curl -s http://localhost:8001/api/v1/namespaces/default/services/my-frontend/status  > service.json

edit the output to add the ingress.

...
  "status": {
    "loadBalancer": {
      "ingress": [
        {
          "ip": "10.1.10.10"
        }
      ]
    }
  }
}

Then update the status.

curl -s http://localhost:8001/api/v1/namespaces/default/services/my-frontend/status -X PUT --data-binary @service.json -H content-type:application/json -v