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Clarify firewall rule doc. #647

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Clarify firewall rule doc. #647

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6 changes: 3 additions & 3 deletions ingress/controllers/gce/BETA_LIMITATIONS.md
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Expand Up @@ -140,12 +140,12 @@ $ gcloud compute firewall-rules create allow-130-211-0-0-22 \

Where `130.211.0.0/22` is the source range of the GCE L7, `$NODE_PORT` is the node port your Service is exposed on, i.e:
```console
$ export NODE_PORT=$(kubectl get -o jsonpath="{.spec.ports[0].nodePort}" services echoheadersx)
$ kubectl get -o jsonpath="{.spec.ports[0].nodePort}" services ${SERVICE_NAME}
```

and `$TAG` is a list of GKE instance tags, i.e:
and `$TAG` is an optional list of GKE instance tags, i.e:
```console
$ export TAG=$(basename `gcloud container clusters describe ${CLUSTER_NAME} --zone ${ZONE} | grep gke | awk '{print $2}'` | sed -e s/group/node/)
$ kubectl get nodes | awk '{print $1}' | tail -n +2 | grep -Po 'gke-[0-9,a-z]+-[0-9,a-z]+-node' | uniq
```

## Static and Ephemeral IPs
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