0001095811-01-500542 S-3 3 20010320 CISCO SYSTEMS INC 0000858877 3576 770059951 CA 0731 S-3 33 333-57328 1572973 170 WEST TASMAN DR SAN JOSE CA 95134-1706 4085264000 225 WEST TASMAN DR SAN JOSE CA 95134-1706 S-3 1 f70519ors-3.txt FORM S-3 EX-5.1 2 f70519orex5-1.txt EXHIBIT 5.1 EX-23.1 3 f70519orex23-1.txt EXHIBIT 23.1