TERAYON COMMUNICATION SYSTEMS, S-3, EX-23.4, 2001-01-12

TERAYON COMMUNICATION SYSTEMS
S-3, EX-23.4, 2001-01-12
TELEPHONE & TELEGRAPH APPARATUS

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                                                                    Exhibit 23.4

             CONSENT OF KOST, FORER & GABBAY, INDEPENDENT AUDITORS

     We consent to the reference to our firm under the Caption "Experts" in the
Registration Statement (Form S-3) and related Prospectus of Terayon
Communication Systems, Inc. for the registration of 534,487 shares of its common
stock and to the incorporation by reference therein of our report dated March
30, 2000, with respect to the financial statements of Telegate Ltd. included in
Terayon Communication Systems, Inc.'s Current Report on Form 8-K/A filed on June
29, 2000 with the Securities and Exchange Commission.

                                         /s/ Kost, Forer and Gabbay
                                         A Member of Ernst & Young International

Tel-Aviv, Israel
January 10, 2001