Context
interface:Dialer (L2, L2-L3), Serial (DS1 PPP L2, DS1 PPP L2-L3, USP PPP L2, USP PPP L2-L3), FastEthernet (L2, L2-L3, PPP L2, PPP L2-L3) - when traffic shaping is configured, Serial (DS1 FR L2, USP FR L2) - when Frame Relay Traffic Shaping is not configured