I've a query regarding WordPress permalinks. I've changed the permalink structure of my blog from
/%postname%/%post_id%/ around two years ago. It was working perfectly until I suddenly found that
/%postname%/ URLs are not redirecting to
/%postname%/%post_id%/, and search engines have indexed some posts with
I tried some plugins including Yoast's Permalink Redirect (which just cleans the end of the URL), it didn't work; then Redirection, which also focuses on adding redirects manually.