Good day All I''m starting to learn the whole of bandwidth management thing I download Allan Beaufour Larsen script(attatched) There are a few thing I dont understand Please help *Class 1:10,line 65 at the Iptables he marks packages for " -m tos --tos Minimize-Delay" What is this and same,line 95 class 1:12 " -m tos --tos Maximize-Throughput" and line 106 " -m tos --tos Minimize-Cost" and down to the htb config line 212 for class 1:13 he talks about NATed traffic but he doen not use this class anywhere Please shed some light on these And is this script any good??