Squid Delaypools

Work for me with squid 4.8-1

config

acl xinux-net src 10.80.0.0/13
acl gaius dst 178.247.133.194

delay_pools 1
delay_class 1 1
delay_access 1 allow  xinux-net  gaius
delay_access 1 deny all
delay_parameters 1 2500000/5000000