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PRESS CONTACT:                                       INVESTOR RELATIONS CONTACT:
Jeanette Gibson                                      Roberta De Tata
Cisco Systems, Inc.                                  Cisco Systems, Inc.
(408) 525-8965                                       (408) 527-6388
jegibson@cisco.com                                   rdetata@cisco.com

ANALYST RELATIONS CONTACT:
Art Rangel
Cisco Systems, Inc.
(408) 853-5705
arangel@cisco.com


                  CISCO SYSTEMS COMPLETES ACQUISITION OF HYNEX

     SAN JOSE, Calif., September 21, 2000 -- Cisco Systems, Inc., today
announced it has completed the acquisition of HyNEX of Shefayim, Israel.

     On June 5, 2000, Cisco announced a definitive agreement to acquire HyNEX, a
leading developer of intelligent access devices for ATM network providers. This
acquisition is being accounted for using purchase accounting.

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.

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