building Cisco multilayer switched networks Froom, Richard. creator Sivasubramanian, Balaji. Frahim, Erum. Indianapolis, Ind Cisco Press c2006 3rd ed. xxxiii, 807 p. : ill. ; 24 cm. Richard Froom, Balaji Sivasubramanian, Erum Frahim Previous ed.: 2004. Includes index. "Covers: CCNP BCMSN exam 642-811"--Back cover. Telecommunication Switching systems Examinations Telecommuncation engineers Examinations Certification 1587052199 DLC DLC