Access content at alias without redirecting to original content location
With the core module path you can do this:


  Tips about URL aliases
  
  Although it is possible to assign the same internal URL to multiple
  aliases, this is generally not a good idea for search engine rankings;
  Google, for example, penalises your site by dropping its rank if
  Google thinks that you are publishing duplicate content under multiple
  URLs (a form of web spamming).


I just tried to add 3 aliases on the same node/123 and it works without any problem. Go to Administer &gt; Configuration &gt; Search and metadata &gt; URL aliases or directly to admin/config/search/path to add a new alias and see the existing ones.