blockdiag { colwidth = 8 node_height = 24 0-6: PDP type IEI 7: Res 8-15: Length of IE content 16-19: Digit 1 20-23: Digit 2 24-27: Digit ... 28-31: Digit N 32-39: see Note } 0 4 8 PDP type IEI Res Length of IE content Digit 1 Digit 2 Digit ... Digit N see Note