<SUBMISSION>
<ACCESSION-NUMBER>0001095811-01-503468
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20010727
<ITEMS>5
<ITEMS>7
<FILING-DATE>20010730
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>CISCO SYSTEMS INC
<CIK>0000858877
<ASSIGNED-SIC>3576
<IRS-NUMBER>770059951
<STATE-OF-INCORPORATION>CA
<FISCAL-YEAR-END>0731
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-18225
<FILM-NUMBER>1692690
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>170 WEST TASMAN DR
<CITY>SAN JOSE
<STATE>CA
<ZIP>95134-1706
<PHONE>4085264000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>225 WEST TASMAN DR
<CITY>SAN JOSE
<STATE>CA
<ZIP>95134-1706
</MAIL-ADDRESS>
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<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>f744488ke8-k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
<HTML>
<HEAD>
<TITLE>Cisco Systems, Inc. Form 8-K July 27, 2001</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<H5 align="left"><A HREF="#toc">Table of Contents</A></H5><P>

<P align="center"><FONT size="2"><B>SECURITIES AND EXCHANGE COMMISSION</B><BR>
Washington, D.C. 20549</FONT>

<P>
<HR width="26%" align="center" size="1" noshade>
<P>


<P align="center"><FONT size="2"><B>FORM 8-K</B></FONT>

<P align="center"><FONT size="2">CURRENT REPORT<BR>
Pursuant to Section&nbsp;13 or 15(d) of the<BR>
Securities Exchange Act of 1934</FONT>

<P><FONT size="2">Date of report (Date of earliest event reported): <B>July&nbsp;27, 2001</B>
</FONT>
<P align="center"><FONT size="2"><B>CISCO SYSTEMS, INC.</B><BR>
(Exact Name of Registrant as Specified in Charter)</FONT>

<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="100%">
<TR valign="bottom">
        <TD width="34%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="28%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="28%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD align="center" valign="top"><FONT size="2"><B>California</B><BR>
(State or Other Jurisdiction<BR>
of Incorporation)</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="center" valign="top"><FONT size="2">
<B>0-18225</B><BR>
(Commission<BR>
File Number)
</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="center" valign="top"><FONT size="2"><B>77-0059951</B><BR>
(IRS Employer<BR>
Identification No.)</FONT></TD>
</TR>
</TABLE>
</CENTER>
<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="100%">
<TR valign="bottom">
        <TD width="51%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="44%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD align="center" valign="top" nowrap><FONT size="2"><B>170 West Tasman Drive, San Jose, California</B><BR>
(Address of Principal Executive Offices)</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="center" valign="top"><FONT size="2">
<B>95134-1706</B><BR>
(Zip Code)</FONT></TD>
</TR>
</TABLE>
</CENTER>
<P><FONT size="2">Registrant&#146;s telephone number, including area code: <B>(408)&nbsp;526-4000</B>
</FONT>
<P align="center"><FONT size="2">&nbsp;
</FONT>

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<!-- TOC -->
<A name="toc"><DIV align="CENTER"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

<P><CENTER>
<TABLE border="0" width="90%" cellpadding="0" cellspacing="0">
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</TR>
<TR><TD></TD><TD colspan="8"><A HREF="#000">Item&nbsp;5. Other Events.</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">Item&nbsp;7. Financial Statements, Pro Forma Financial Information and Exhibits.</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#003">EXHIBIT INDEX</A></TD></TR>
<TR><TD colspan="9"><A HREF="f744488kex20-1.txt">EXHIBIT 20.1</A></TD></TR>
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<H5 align="left"><A HREF="#toc">Table of Contents</A></H5><P>






<!-- link2 "Item&nbsp;5. Other Events." -->
<DIV align="left"><A NAME="000"></A></DIV>
<DIV align="left"><A name="a000"></A></DIV>
<P align="left"><FONT size="2"><B>Item&nbsp;5. Other Events.</B></FONT>

<P><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On July&nbsp;27, 2001, Cisco Systems, Inc. (the &#147;Registrant&#148;) announced that it
agreed to acquire Allegro Systems, Inc., a Delaware corporation, for up to
approximately $181,000,000 in Registrant stock. A copy of the press release
issued by the Registrant on July&nbsp;27, 2001 concerning the foregoing transaction
is filed herewith as Exhibit&nbsp;20.1 and is incorporated herein by reference.
</FONT>
<!-- link2 "Item&nbsp;7. Financial Statements, Pro Forma Financial Information and Exhibits." -->
<DIV align="left"><A NAME="001"></A></DIV>
<DIV align="left"><A name="a001"></A></DIV>
<P align="left"><FONT size="2"><B>Item&nbsp;7. Financial Statements, </B><B><I>Pro Forma </I></B><B>Financial Information and Exhibits.</B></FONT>

<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
<TR valign="top">
        <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
        <TD width="5%" align="left" nowrap><FONT size="2">(c)</FONT></TD>
        <TD width="7%"><FONT size="2">Exhibits.</FONT></TD>
        <TD width="85%"><FONT size="2"></FONT></TD>
</TR>
</TABLE>
<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="100%">
<TR valign="bottom">
        <TD width="8%">&nbsp;</TD>
        <TD width="10%">&nbsp;</TD>
        <TD width="82%">&nbsp;</TD>
</TR>
<TR valign="TOP">
        <TD valign="top"><FONT size="2"></FONT></TD>
        <TD><FONT size="2">20.1</FONT></TD>
        <TD align="left" valign="top"><FONT size="2">
Press Release of Registrant, dated July&nbsp;27, 2001, announcing
Registrant&#146;s agreement to acquire Allegro Systems, Inc.</FONT></TD>
</TR>
</TABLE>
</CENTER>
<P align="center"><FONT size="2">&nbsp;</FONT>

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<P><HR noshade><P>
<H5 align="left"><A HREF="#toc">Table of Contents</A></H5><P>
<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="002"></A></DIV>
<DIV align="left"><A name="a002"></A></DIV>
<P align="center"><FONT size="2"><B>SIGNATURES</B></FONT>

<P><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.
</FONT>
<TABLE cellspacing="0" border="0" cellpadding="0" width="100%">
<TR>
        <TD width="50%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="40%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
</TR>
<TR valign="top">
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD colspan="2"><FONT size="2"><B>CISCO SYSTEMS, INC</B></FONT></TD>
</TR>
<TR><TD>&nbsp;<BR>&nbsp;</TD></TR>
<TR valign="top">
        <TD><FONT size="2">Dated: July&nbsp;27, 2001</FONT></TD>
        <TD><FONT size="2">By:&nbsp;</FONT></TD>
        <TD align="left"><FONT size="2">/s/ DANIEL SCHEINMAN</FONT><br>
                <HR size="1" width="230" align="left" noshade>
                <FONT size="2">Daniel Scheinman</FONT><BR>
             <FONT size="2">Senior Vice President, Corporate Affairs</FONT></TD>
</TR>
</TABLE>

<P align="center"><FONT size="2">&nbsp;</FONT>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left"><A HREF="#toc">Table of Contents</A></H5><P>
<!-- link1 "EXHIBIT INDEX" -->
<DIV align="left"><A NAME="003"></A></DIV>
<DIV align="left"><A name="a003"></A></DIV>
<P align="center"><FONT size="2">EXHIBIT INDEX</FONT>

<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="100%">
<TR valign="top">
        <TD width="7%">&nbsp;</TD>
<TR valign="bottom">
        <TD><FONT size="1">Exhibit</FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="left"><FONT size="1">Number</FONT></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center"><FONT size="1">Description of Document</FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><HR size="1" noshade></TD>
        <TD><FONT size="1">&nbsp;</FONT></TD>
        <TD nowrap align="center"><HR size="1" noshade></TD>
</TR>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">20.1</FONT></TD>
        <TD><FONT size="2">&nbsp;</FONT></TD>
        <TD align="left" valign="top"><FONT size="2">
Press Release of Registrant, dated July&nbsp;27, 2001, announcing
Registrant&#146;s agreement to acquire Allegro Systems, Inc.</FONT></TD>
</TR>
</TABLE>
</CENTER>

<P align="center"><FONT size="2"></FONT>


</BODY>
</HTML>

</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-20.1
<SEQUENCE>3
<FILENAME>f744488kex20-1.txt
<DESCRIPTION>EXHIBIT 20.1
<TEXT>
<PAGE>   1
                                                                    EXHIBIT 20.1
                                                                   PRESS RELEASE

PRESS CONTACT:                                     INVESTOR RELATIONS CONTACT:
Robyn Jenkins                                      Roberta DeTata
Cisco Systems, Inc.                                Cisco Systems, Inc.
(408) 853-9848                                     (408) 527-6388
rojenkin@cisco.com                                 rdetata@cisco.com

INDUSTRY ANALYST CONTACT:
Leslie Fletcher
Cisco Systems, Inc.
(408) 853-6289
fletcher@cisco.com

                    CISCO SYSTEMS TO ACQUIRE ALLEGRO SYSTEMS
           Accelerating the Performance of VPN and Security Solutions

    SAN JOSE, Calif., July 27, 2001 -- Cisco Systems, Inc., today announced a
definitive agreement to acquire privately-held Allegro Systems, Inc. of
Milpitas, California. Allegro Systems is developer of Virtual Private Network
(VPN) acceleration technologies designed to enhance the performance and
functionality of secure networking platforms. The acquisition of Allegro Systems
enhances Cisco's existing VPN and security solutions with added performance
capabilities to meet the growing security requirements of organizations
connecting remote offices, employees and customers to corporate networks and the
Internet.

    Under the terms of the agreement, Cisco common stock worth a gross aggregate
value of up to $181 million will be exchanged for all outstanding shares and
options of Allegro Systems. Cisco currently holds a minority investment in
Allegro Systems. This acquisition will be accounted for as a purchase and is
expected to close in the first quarter of Cisco's fiscal year 2002. In
connection with the acquisition, Cisco expects a one-time charge for purchased
in-process research and development expenses not to exceed $0.01 per share. The
acquisition has been approved by the board of directors of each company and is
subject to various closing conditions including approval under the Hart Scott
Rodino Antitrust Improvements Act.

    With the explosive and continued growth of the Internet, network security
technologies are becoming increasingly vital in helping protect corporate
networks and valuable data from potential intrusion, corruption and other
security vulnerabilities. Allegro Systems' VPN

<PAGE>   2

acceleration technologies and expertise will advance the integration of highly
scalable security within existing networks and complement Cisco's portfolio of
security products which includes VPN gateways and concentrators, firewalls,
intrusion detection systems and device and policy-based security management
systems.

    Allegro Systems' VPN acceleration technologies are designed for
high-bandwidth networks, providing increased throughput necessary for
e-Business, extranet and service provider applications. Allegro Systems'
technologies also enable the large number of simultaneous VPN connections
required for today's e-commerce and remote access applications.

        Allegro Systems was founded in August 2000. The 39 employees, led by
Allegro Systems chief executive officer, Mano Murthy, and chief technology
officer, Ashwath Nagaraj, will join the VPN and Security Services Business Unit
in Cisco's Enterprise Line of Business.

ABOUT CISCO SYSTEMS

        Cisco Systems, Inc. (NASDAQ: CSCO) is the worldwide leader in networking
for the Internet. News and information are available at www.cisco.com.

                                      # # #

Cisco, Cisco Systems, and the Cisco Systems logo are registered trademarks of
Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other
countries. All other trademarks mentioned in this document are the property of
their respective owners.



</TEXT>
</DOCUMENT>
</SUBMISSION>
