updated with new option

dgomes · dgomes · commit 9e3a0fb62494 · 2017-07-02T20:53:59.000+01:00
diff --git a/source/_components/upnp.markdown b/source/_components/upnp.markdown
@@ -14,7 +14,7 @@ ha_release: 0.18
 
 The `upnp` component enables you to collect network statistics from your router such as bytes in/out and packets in/out. This information is provided by the Internet Gateway Device (IGD) Protocol if enabled on your router.
 
-The IGD can also automatically create port forwarding mappings on your router for Home Assistant. 
+The IGD can also automatically create port forwarding mappings on your router for Home Assistant. By default it port forwards the tcp port being used by Home Assistant (default 8123), this can be changed with the optional external_port parameter.
 
 Please note that UPnP or NAT-PMP needs to be enabled on your router for this component to work.
 
@@ -23,6 +23,7 @@ To integrate this into Home Assistant, add the following section to your `config
 ```yaml
 # Example configuration.yaml entry
 upnp:
+  external_port: 80
 ```
 
 A port mapping will be created using the IP address and port that Home Assistant is running on. The mapping will never automatically expire. Upon stopping Home Assistant, the mapping will be removed from your router.
