Functions on the router’s user interface 
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If you don’t want to use the static route you set up before any more, just click Delete button, and 
click Save to delete it. 
UPnP 
When UPnP is enabled on your router, a network device possessing a specific purpose, such as a 
printer, can be identified and used automatically by another computer or device in your network.   
Log in to the router’s user interface, and click Advanced Settings > UPnP. 
It is advisable to keep the default settings.