Update device_tracker.netgear.markdown with documentation of optional port number setting.

agjendem · agjendem · commit f2f56395fd70 · 2016-04-30T02:17:22.000+02:00
diff --git a/source/_components/device_tracker.netgear.markdown b/source/_components/device_tracker.netgear.markdown
@@ -24,12 +24,14 @@ device_tracker:
   host: YOUR_ROUTER_IP
   username: YOUR_ADMIN_USERNAME
   password: YOUR_ADMIN_PASSWORD
+  port: 5000
 ```
 
 Configuration variables:
 
 - **host** (*Required*): The IP address of your router, e.g. 192.168.1.1.
 - **username** (*Required*: The username of an user with administrative privileges, usually *admin*.
 - **password** (*Required*): The password for your given admin account.
+- **port** (*Optional*): The port number where the router exposes its API. Default is 5000, but 80 is also known to be used on some models.
 
 See the [device tracker component page](/components/device_tracker/) for instructions how to configure the people to be tracked.
