kmayer - 12:45 am on Feb 24, 2011 (gmt 0)

I'm not sure if this is the right place to post this question or not, so please let me know if it should go elsewhere. We have a client with an established ecom site. It is being upgraded from legacy asp to .NET, so file extensions and url's will change at the very least from product.asp to product.aspx. What is the best way to handle? find all current indexed url's and do 301 redirects to the new url?