Update TCP docs to address issues (#684)

_docs/tasks/telemetry/tcp-metrics.md

@@ -86,8 +86,8 @@ as the example application throughout this task.
        - source_service
        - source_version
        - destination_version
-      - name: mongo_sent_bytes # Prometheus metric name
+     - name: mongo_received_bytes # Prometheus metric name
-        instance_name: mongosentbytes.metric.default # Mixer instance name (fully-qualified)
+       instance_name: mongoreceivedbytes.metric.default # Mixer instance name (fully-qualified)
        kind: COUNTER
        label_names:
        - source_service
@@ -102,7 +102,7 @@ as the example application throughout this task.
      namespace: default
    spec:
      match: context.protocol == "tcp"
-             && destination.service = "mongodb.default.svc.cluster.local"
+            && destination.service == "mongodb.default.svc.cluster.local"
      actions:
      - handler: mongohandler.prometheus
        instances:
@@ -126,7 +126,16 @@ as the example application throughout this task.
 
 1. Setup BookInfo to use MongoDB.
 
-   1. Install `v2` of the `ratings` service:
+   1. Install `v2` of the `ratings` service.
+
+      If you are using a cluster with automatic sidecar injection enabled,
+      simply deploy the services using `kubectl`:
+
+      ```
+      kubectl apply -f samples/bookinfo/kube/bookinfo-ratings-v2.yaml
+      ```
+
+      If you are using manual sidecar injection, use the following command instead:
 
       ```
       kubectl apply -f <(istioctl kube-inject -f samples/bookinfo/kube/bookinfo-ratings-v2.yaml)
@@ -140,6 +149,15 @@ as the example application throughout this task.
 
    1. Install the `mongodb` service:
 
+      If you are using a cluster with automatic sidecar injection enabled,
+      simply deploy the services using `kubectl`:
+
+      ```
+      kubectl apply -f samples/bookinfo/kube/bookinfo-db.yaml
+      ```
+
+      If you are using manual sidecar injection, use the following command instead:
+
       ```
       kubectl apply -f <(istioctl kube-inject -f samples/bookinfo/kube/bookinfo-db.yaml)
       ```
@@ -154,14 +172,14 @@ as the example application throughout this task.
    1. Add routing rules to send traffic to `v2` of the `ratings` service:
 
       ```
-      kubectl apply -f samples/bookinfo/kube/route-rule-ratings-db.yaml
+      istioctl create -f samples/bookinfo/kube/route-rule-ratings-db.yaml
       ```
 
       Expected output:
 
       ```
-      routerule "ratings-test-v2" created
+      Created config route-rule//ratings-test-v2 at revision 7216403
-      routerule "reviews-test-ratings-v2" created
+      Created config route-rule//reviews-test-ratings-v2 at revision 7216404
       ```
 
 1. Send traffic to the sample application.
@@ -232,6 +250,12 @@ protocols within policies.
   istioctl delete -f tcp_telemetry.yaml
   ```
 
+* Remove the `port-forward` process:
+
+  ```bash
+  killall kubectl
+  ```
+
 * If you are not planning to explore any follow-on tasks, refer to the
   [BookInfo cleanup]({{home}}/docs/guides/bookinfo.html#cleanup) instructions
   to shutdown the application.