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  <TITLE>Prepared by R.R. Donnelley Financial -- Form 8-K</TITLE>
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   <HR NOSHADE COLOR="#000000" ALIGN="left"><HR NOSHADE COLOR="#000000" ALIGN="left"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"><B>UNITED STATES
  </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"><B>SECURITIES AND EXCHANGE COMMISSION </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"><B>Washington, DC 20549 </B></FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE WIDTH="21%" COLOR="#000000"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"><B>FORM 8-K </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE
  WIDTH="21%" COLOR="#000000"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="4"><B>Current Report Pursuant </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="4"><B>to Section 13 or
  15(d) of the </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="4"><B>Securities Exchange Act of 1934 </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"><B>Date
  of Report:&nbsp;&nbsp;&nbsp;&nbsp;March 8, 2002 </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE WIDTH="21%" COLOR="#000000"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman"
  SIZE="5"><B>REDBACK NETWORKS INC. </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>(Exact Name of Registrant as Specified in its Charter) </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE WIDTH="21%"
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  <TD VALIGN="top" ALIGN="center" WIDTH="31%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Delaware</B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>(State or Other</B></FONT></DIV> <DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>Jurisdiction of Incorporation)</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="31%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>000-25853</B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>(Commission File Number)</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="31%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>77-0438443</B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>(I.R.S. Employer</B></FONT></DIV> <DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>Identification Number)</B></FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>300 Holger Way </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman"
  SIZE="2"><B>San Jose, CA 95134 </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>(408) 750&#150;5000 </B></FONT></DIV> <HR NOSHADE WIDTH="21%" COLOR="#000000"><DIV ALIGN="center"><FONT FACE="Times New Roman"
  SIZE="1"><B>(Addresses, including zip code, and telephone numbers, </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>including area code, of principal executive offices) </B></FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE COLOR="#000000" ALIGN="left"><HR NOSHADE COLOR="#000000" ALIGN="left">
  
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   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2">ITEM 8.&nbsp;&nbsp;&nbsp;&nbsp;Change in Fiscal Year </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV
  STYLE="text-indent:27px"><FONT FACE="Times New Roman" SIZE="2">On March 8, 2002, the Company elected to change its fiscal year from a 52/53 week fiscal year, to a calendar fiscal year that commences on January 1 and ends December 31, effective in
  2002. The Company&#146;s fiscal quarters will end on March 31, June 30 and September 30, with the Company&#146;s fiscal year ending on December 31. Fiscal year 2002 will be a transition year, and will start on December 30, 2001 and end on December
  31, 2002. The Company&#146;s previous fiscal year end will remain unchanged at December 29, 2001. The 10Q, for the quarter ending March 31, 2002, will contain any transition reporting. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>SIGNATURES </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV STYLE="text-indent:27px"><FONT FACE="Times New Roman" SIZE="2">Pursuant to the requirements of the Securities Exchange
  Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
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  <TD WIDTH="002%" VALIGN="top"><DIV ALIGN="right"><FONT FACE="Times New Roman" SIZE="2">RE</FONT></DIV></TD>
  <TD ALIGN="left" VALIGN="top"><DIV><FONT FACE="Times New Roman" SIZE="2">DBACK NETWORKS INC. </FONT></DIV> </TD></TR></TABLE> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV>
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  <TD VALIGN="top" WIDTH="33%"> <DIV><FONT FACE="Times New Roman" SIZE="2">Date:&nbsp;&nbsp;&nbsp;&nbsp;March 13, 2002</FONT></DIV> </TD>
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  <TD VALIGN="top" WIDTH="33%"> <DIV><FONT FACE="Times New Roman" SIZE="2">By:&nbsp;&nbsp;&nbsp;&nbsp;/s/&nbsp;&nbsp;&nbsp;&nbsp;D<SMALL>ENNIS</SMALL> P. W<SMALL>OLF</SMALL></FONT></DIV> <HR NOSHADE COLOR="#000000" ALIGN="left"><DIV
  STYLE="margin-left:27px"><FONT FACE="Times New Roman" SIZE="2">Dennis P. Wolf</FONT></DIV> <DIV STYLE="margin-left:27px"><FONT FACE="Times New Roman" SIZE="2">Senior Vice President of Finance and</FONT></DIV> <DIV STYLE="margin-left:27px"><FONT
  FACE="Times New Roman" SIZE="2">Administration, Chief Financial Officer</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD> <FONT SIZE="1">&nbsp;</FONT></TD> </TR>
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metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "d8k.htm", "description": "FORM 8-K", "secsgml_size_bytes": 6685}]
metadata_filer: {"company-data": {"conformed-name": "REDBACK NETWORKS INC", "cik": "0001081290", "assigned-sic": "7389", "irs-number": "770438443", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-25853", "film-number": "02574031"}, "business-address": {"street1": "250 HOLGER WAY", "city": "SAN JOSE", "state": "CA", "zip": "95134", "phone": "4085715000"}, "mail-address": {"street1": "1195 BORREGAS AVE", "city": "SUNNYVALE", "state": "CA", "zip": "94089"}}
text: Prepared by R.R. Donnelley Financial -- Form 8-K
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  Washington, DC 20549
  FORM 8-K
  Current Report Pursuant
  to Section 13 or
  15(d) of the
  Securities Exchange Act of 1934
  Date
  of Report:    March 8, 2002
  REDBACK NETWORKS INC.
  (Exact Name of Registrant as Specified in its Charter)
  Delaware
  (State or Other
  Jurisdiction of Incorporation)
  000-25853
  (Commission File Number)
  77-0438443
  (I.R.S. Employer
  Identification Number)
  300 Holger Way
  San Jose, CA 95134
  (408) 750–5000
  (Addresses, including zip code, and telephone numbers,
  including area code, of principal executive offices)
  ITEM 8.    Change in Fiscal Year
  On March 8, 2002, the Company elected to change its fiscal year from a 52/53 week fiscal year, to a calendar fiscal year that commences on January 1 and ends December 31, effective in
  2002. The Company's fiscal quarters will end on March 31, June 30 and September 30, with the Company's fiscal year ending on December 31. Fiscal year 2002 will be a transition year, and will start on December 30, 2001 and end on December
  31, 2002. The Company's previous fiscal year end will remain unchanged at December 29, 2001. The 10Q, for the quarter ending March 31, 2002, will contain any transition reporting.
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange
  Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
  RE
  DBACK NETWORKS INC.
  Date:    March 13, 2002
  By:    /s/    D
  ENNIS
  P. W
  OLF
  Dennis P. Wolf
  Senior Vice President of Finance and
  Administration, Chief Financial Officer