EXHIBIT 4.1 SECOND AMENDMENT TO THE RIGHTS AGREEMENT AND CERTIFICATION OF COMPLIANCE WITH SECTION 27 THEREOF THIS SECOND AMENDMENT TO THE RIGHTS AGREEMENT AND CERTIFICATION OF COMPLIANCE WITH SECTION 27 THEREOF (this "Amendment") is made and entered...Cisco Systems Inc • December 10th, 2001 • Computer communications equipment • California
Company FiledDecember 10th, 2001 Industry Jurisdiction