1



                                  Filed Pursuant to Rule 424(b)(3) and (c)
                                                     File Number 333-47191

      

                    PROSPECTUS SUPPLEMENT DATED JULY 9, 1998
                                       to
                         Prospectus Dated March 20, 1998

                                  10,786 SHARES

                               CISCO SYSTEMS, INC.

                                  COMMON STOCK

         This Prospectus Supplement supplements the Prospectus dated March 20,
1998 (the "Prospectus") of Cisco Systems, Inc. (the "Company") relating to the
public offering, which is not being underwritten, and sale by certain
shareholders of the Company or by pledgees, donees, transferees or other
successors in interest that receive such shares as a gift, partnership
distribution or other non-sale related transfer (the "Selling Shareholders") of
10,786 shares of Common Stock, par value of $0.001 per share, of the Company
(the "Common Stock") who received such shares in connection with the acquisition
by statutory merger of LightSpeed International, Inc. ("LightSpeed"), by and
through a merger of LightSpeed with and into the Company. This Prospectus
Supplement should be read in conjunction with the Prospectus, and this
Prospectus Supplement is qualified by reference to the Prospectus except to the
extent that the information herein contained supersedes the information
contained in the Prospectus. Capitalized terms used in this Prospectus Summary
and not otherwise defined herein have the meanings specified in the Prospectus.

                              SELLING SHAREHOLDERS

                  Footnote (2) below (the "Footnote") sets forth shareholders of
the Company who were not specifically identified in the Prospectus as Selling
Shareholders. The shareholders identified in the Footnote below may receive
shares of the Common Stock through partnership distributions. The table of
Selling Shareholders in the Prospectus is hereby amended to include the
following shareholders identified in the Footnote as Selling Shareholders:





   2



                                                                                Number of
                                                                                  Shares
                                Number of Shares            Percent of        Registered for
                                  Beneficially              Outstanding            Sale
Name of Selling Shareholder           Owned                   Shares              Hereby1
- ---------------------------           -----                   ------              -------
                                                                                        

RBI Partners2                        10,786                      *                10,786

* less than one percent


















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1 This Registration Statement shall also cover any additional shares of Common
Stock which become issuable in connection with the shares registered for sale
hereby by reason of any stock dividend, stock split, recapitalization or other
similar transaction effected without the receipt of consideration which results
in an increase in the number of the Selling Shareholders' outstanding shares of
Common Stock.

2 Subsequent to the date of this Prospectus Supplement, the shares held by RBI
Partners may be distributed to James E. Averett, Jr., Roger E. Dailey, Jarrett
L. Davis, III, Lawton M. Nease, III, Robert E. Reiser, Jr., G. Jackson
Tankersley, Jr., Alan A. Builder, Bethany A. Belanger, Gerald Domescik, Gerald
Domescik P/S, Edwin H. Donnelly, William C. Lang Jr., P/S, William C. Lang, Jr.,
Robert Weathers, J. Martin Taylor, and William J. Weathers II.