[squid-users] about cache_peer

i am bit comfused abour cache peer access
i want hae to parent proxies like
a.b.c.d
w.x.y.z
i want all my downloads like exe mpg wav mp3 on a.b.c.d and browsing on w.x.y.z
the cache peer is

cache_peer a.b.c.d parent 8080 0 no-query
cache_peer w.x.y.z parent 3128 0 no-query
acl dls url_regex \.exe$ \.mp3$ \.mpg$ \.wav$
please tell me how to allow cache peer access for download to a.b.c.d
and brosing on w.x.y.z

-- 
Syed Kashif Ali Bukhari
Network Associate Asia Net
Cell :- +92-345-4244813 , +92-300-4295604
Ph +92-42-111-111-202 Fax +92-42-5840905
MSN:- kbukhari@msn.com ; kashif.bukhari@asia.net.pk
http://asia.net.pk , http://asiatec.biz