TERAYON COMMUNICATION SYSTEMS, S-8, EX-23.2, 2001-01-16

TERAYON COMMUNICATION SYSTEMS
S-8, EX-23.2, 2001-01-16
TELEPHONE & TELEGRAPH APPARATUS

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                                                                    Exhibit 23.2

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement on
Form S-8 pertaining to the 2000 TrueChat, Inc. Equity Incentive Plan of Terayon
Communication Systems, Inc. of our report dated September 1, 2000, with respect
to the financial statements of Mainsail Networks, Inc. included in Terayon
Communication Systems, Inc.'s Current Report on Form 8-K/A filed with the
Securities and Exchange Commission on October 18, 2000.

                                          /s/ Ernst & Young LLP

San Jose, California
January 10, 2001