Caslow, Andrew Bruce. Cisco certification: Bridges, routers and switches for CCIEs/ Andrew Bruce Caslow and Valeriy Pavlichenko. - Upper Saddle River, NJ : Prentice Hall PTR, 2001. - 2nd ed. xlii, 929 p. : ill ; 27cm. Includes index. Includes bibligraphical references. ISBN: 0130903892 (pbk.) Subjects--Topical Terms: Routers(Computer networks)-Examinations-Study guides.