Hi, I hope I can help. How can redirect at my users at a server cache using Mikrotik
Thank you.
http://wiki.mikrotik.com/wiki/How_to_make_transparent_web_proxy
Combined with http://www.mikrotik.com/testdocs/ros/3.0/pnp/proxy.php, set your proxy as the parent proxy.
Pls, check my pending bug report
http://forum.mikrotik.com/t/anybody-confirms-negates-bug-web-proxy-squid-as-parent/32402/1
regarding upstream proxy with sqid
Still open.