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EXHIBIT 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the reference to our firm under the caption "Experts" in the
Registration Statement on Form S-3 and related Prospectus of Juniper Networks,
Inc. for the registration of 828,351 shares of its common stock and to the
incorporation by reference therein of our report dated January 17, 2000, except
for Note 9 as to which the date is March 14, 2000, with respect to the
consolidated financial statements of Juniper Networks, Inc. included in its
Annual Report (Form 10-K) for the year ended December 31, 1999, and the related
financial statement schedule included therein, filed with the Securities and
Exchange Commission.
/s/ Ernst & Young LLP
Palo Alto, California
December 20, 2000
