Thread:Project:Support desk/REDIRECT don't reply 301 code??

For SEO, every body believe 301 redirect will be better.

How can I add 301 code to a page with #REDIRECT Target page name ?

I found this webpage, but it seems too old to mediawiki 1.17

http://www.sumbytes.com/mediawiki-301-redirects/

Anybody know how to add 301 code in a mediawiki page?