we purchased 4 mb CIR connection form ISP with fiber optic back bone with 5 static public ip.
2 public ip we use for internet sharing but found that we are not getting 4 mb download speed i assign 1 public ip to isa server and check internet speed on speedtest.net it show on 2 mb bandwidth my ip my question is bellow.
1 what is exactly CIR Do because it is granted bandwidth
2 why it is show 2 mb dowload speed on speedtest.net on all my 5 public ip i have 4 mb CIR bandwith.
3. its is isp side problem or not.