direct the cache from the source in the speed of lan??

hi

i have an external squid server connected with mikrotik
i want to direct the cache from the squid server pass through the mikrotik in the speed of lan with limit the speed of internet in mikrotik at the same time.

the issue which occur now when i set the speed to default in mikrotik the cache is received well but when limit the speed i can’t get the cache in full speed

thanks and bye

http://forum.mikrotik.com/t/load-balancing-how-can-i-add-a-squid-server/64313/1