0001095811-01-500589 S-3/A 1 20010322 CISCO SYSTEMS INC 0000858877 3576 770059951 CA 0731 S-3/A 33 333-56960 1576697 170 WEST TASMAN DR SAN JOSE CA 95134-1706 4085264000 225 WEST TASMAN DR SAN JOSE CA 95134-1706 S-3/A 1 f69605a1s-3a.txt PRE-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3