Riverbed Technology (RVBD)

Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statements (Form S-8 Nos. 333-149602, 333-137502 and 333-141260) pertaining to the 2006 Equity Incentive Plan, 2006 Director Option Plan and 2006 Employee Stock Purchase Plan of Riverbed Technology, Inc. of our reports dated February 20, 2009, with respect to the consolidated financial statements and schedule of Riverbed Technology, Inc., and the effectiveness of internal control over financial reporting of Riverbed Technology, Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2008.

/s/ Ernst & Young LLP

San Francisco, California

February 20, 2009

Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statements (Form S-8 Nos. 333-149602, 333-137502 and 333-141260)
pertaining to the 2006 Equity Incentive Plan, 2006 Director Option Plan and 2006 Employee Stock Purchase Plan of Riverbed Technology, Inc. of our reports dated February 20, 2009, with respect to the consolidated financial statements and
schedule of Riverbed Technology, Inc., and the effectiveness of internal control over financial reporting of Riverbed Technology, Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2008.

Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statements (Form S-8 Nos. 333-137502 and 333-141260) pertaining to the 2006 Equity Incentive Plan, 2006 Director Option Plan and 2006 Employee Stock Purchase Plan of Riverbed Technology, Inc., of our reports dated February14, 2008, with respect to the consolidated financial statements and schedule of Riverbed Technology, Inc. and the effectiveness of internal control over financial reporting of Riverbed Technology, Inc. included in this Annual Report (Form 10-K) for the year ended December 31, 2007.

/s/ Ernst & Young LLP

San Francisco, California

February 14, 2008

Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statements (Form S-8 Nos. 333-137502 and 333-141260) pertaining to
the 2006 Equity Incentive Plan, 2006 Director Option Plan and 2006 Employee Stock Purchase Plan of Riverbed Technology, Inc., of our reports dated February14, 2008, with respect to the consolidated financial statements and schedule of Riverbed
Technology, Inc. and the effectiveness of internal control over financial reporting of Riverbed Technology, Inc. included in this Annual Report (Form 10-K) for the year ended December 31, 2007.