Here are two ways you can make bufferbloat happen in real life: 1) Use the Quick Test for Bufferbloat: http://www.bufferbloat.net/projects/cerowrt/wiki/Quick_Test_for_Bufferbloat 2) Configure your network interface to have a slower data rate and send a lot of data over it. http://www.bufferbloat.net/projects/codel/wiki/HOWTO