0001095811-01-001542 424B3 1 20010222 CISCO SYSTEMS INC 0000858877 3576 770059951 CA 0731 424B3 33 333-51118 1551815 170 W TASMAN DR SAN JOSE CA 95134-1706 4085264000 225 WEST TASMAN DR SAN JOSE CA 95134-1706 424B3 1 f69829b3e424b3.txt PROSPECTUS SUPPLEMENT