0001095811-01-000062 S-3/A 2 20010104 CISCO SYSTEMS INC 0000858877 3576 770059951 CA 0731 S-3/A 33 333-51118 1501964 170 W TASMAN DR SAN JOSE CA 95134-1706 4085264000 225 WEST TASMAN DR SAN JOSE CA 95134-1706 S-3/A 1 f67349a3s-3a.txt PRE EFFECTIVE AMENDMENT NO.3 TO FORM S-3 EX-5.1 2 f67349a3ex5-1.txt EXHIBIT 5.1