CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated January 25, 2000 relating to the financial statements of Siara Systems, Inc., which appears in the Proxy Statement included within Redback Networks Inc.s Registration Statement on Form S-4 Amendment Number 1 (No. 333-95947). We also consent to the reference to us under the heading Experts in this Registration Statement on Form S-3.
San Jose, California
January 16, 2001