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   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR SIZE="3" NOSHADE COLOR="#000000" ALIGN="left"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"
  COLOR="#000000"><B>UNITED STATES </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>SECURITIES AND EXCHANGE COMMISSION </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"
  COLOR="#000000"><B>Washington, DC 20549 </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>FORM 8-K </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>Current Report Pursuant </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>to Section 13 or 15(d) of the </B></FONT></DIV> <DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>Securities Exchange Act of 1934 </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000">Date of Report (Date of earliest event reported): January 21, 2003 </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT
  FACE="Times New Roman" SIZE="6" COLOR="#000000"><B>REDBACK NETWORKS INC. </B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="77%" COLOR="#000000"><DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Exact Name of Registrant as
  Specified in its Charter) </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center">
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  <TD VALIGN="top" ALIGN="center" WIDTH="31%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>Delaware</B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="97%" COLOR="#000000"><DIV ALIGN="center"><FONT FACE="Times New Roman"
  SIZE="2" COLOR="#000000">(State&nbsp;or&nbsp;Other&nbsp;Jurisdiction</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">of&nbsp;Incorporation)</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="3" COLOR="#000000"><B>000-25853</B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="94%" COLOR="#000000"><DIV ALIGN="center"><FONT FACE="Times New Roman"
  SIZE="2" COLOR="#000000">(Commission&nbsp;File&nbsp;Number)</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="3" COLOR="#000000"><B>77-0438443</B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="97%" COLOR="#000000"><DIV ALIGN="center"><FONT FACE="Times New Roman"
  SIZE="2" COLOR="#000000">(I.R.S.&nbsp;Employer</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Identification&nbsp;Number)</FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>300 Holger Way </B></FONT></DIV>
  <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>San Jose, CA 95134 </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>(408) 750-5000 </B></FONT></DIV> <HR SIZE="1" NOSHADE
  WIDTH="66%" COLOR="#000000"><DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Addresses, including zip code, and telephone numbers, including </FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"
  COLOR="#000000">area code, of principal executive offices) </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR SIZE="3" NOSHADE COLOR="#000000" ALIGN="left">
  
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   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>ITEM 5.&nbsp;&nbsp;&nbsp;&nbsp;OTHER EVENTS. </B></FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">On January 21, 2003, Redback Networks Inc., a Delaware corporation (&#147;Redback&#148;), announced that Nasdaq&#146;s Listing Qualifications Department has
  determined Redback&#146;s common stock is subject to delisting from the Nasdaq National Market because the Company has not met the minimum bid price requirement of $1.00 per share in accordance with Marketplace Rule 4450(a)(5). Redback has requested
  a hearing for an appeal of this Nasdaq decision. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Redback&#146;s press release announcing this information is attached as Exhibit 99.1
  hereto and incorporated by reference herein. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">The press release filed as an exhibit to this report includes &#147;safe harbor&#148;
  language pursuant to the Private Securities Litigation Reform Act of 1995, as amended, indicating that certain statements about the Company&#146;s business contained in the press release are &#147;forward-looking&#148; rather than
  &#147;historic.&#148; The press release also states that these and other risks relating to Redback&#146;s business are set forth in the documents filed by Redback with the Securities and Exchange Commission, specifically the most recent report on
  Form 10-K, Form&nbsp;10-Q and the other reports filed from time to time with the Securities and Exchange Commission. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>ITEM
  7.&nbsp;&nbsp;&nbsp;&nbsp;FINANCIAL STATEMENTS AND EXHIBITS. </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(c)&nbsp;&nbsp;&nbsp;&nbsp;EXHIBITS.
  </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV STYLE="margin-left:6%; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">99.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Press Release dated January 21, 2003
  </FONT></DIV>
   <P></P> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">2 </FONT></DIV>
  
  
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   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>SIGNATURES </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV
  STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">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> <DIV ALIGN="center">
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  <TD VALIGN="bottom" COLSPAN="3" WIDTH="39%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">REDBACK NETWORKS INC.</FONT></DIV> </TD> </TR>
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  <TD HEIGHT="27"> </TD> </TR>
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  <TD VALIGN="top" WIDTH="55%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">DATE: January 23, 2003</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="right" WIDTH="4%"> <DIV ALIGN="right"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">By:</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="top" WIDTH="39%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">/s/&nbsp;&nbsp;&nbsp;&nbsp;T<SMALL>HOMAS</SMALL> L. C<SMALL>RONAN</SMALL> III</FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="95%" COLOR="#000000"
  ALIGN="left"><DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Thomas L. Cronan III</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Senior Vice President of Finance and Administration, Chief Financial
  Officer</FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
   <P></P> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">3 </FONT></DIV>
  
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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": "03522736"}, "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: 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 (Date of earliest event reported): January 21, 2003
  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 5.    OTHER EVENTS.
  On January 21, 2003, Redback Networks Inc., a Delaware corporation ("Redback"), announced that Nasdaq's Listing Qualifications Department has
  determined Redback's common stock is subject to delisting from the Nasdaq National Market because the Company has not met the minimum bid price requirement of $1.00 per share in accordance with Marketplace Rule 4450(a)(5). Redback has requested
  a hearing for an appeal of this Nasdaq decision.
  Redback's press release announcing this information is attached as Exhibit 99.1
  hereto and incorporated by reference herein.
  The press release filed as an exhibit to this report includes "safe harbor"
  language pursuant to the Private Securities Litigation Reform Act of 1995, as amended, indicating that certain statements about the Company's business contained in the press release are "forward-looking" rather than
  "historic." The press release also states that these and other risks relating to Redback's business are set forth in the documents filed by Redback with the Securities and Exchange Commission, specifically the most recent report on
  Form 10-K, Form 10-Q and the other reports filed from time to time with the Securities and Exchange Commission.
  ITEM
  7.    FINANCIAL STATEMENTS AND EXHIBITS.
  (c)    EXHIBITS.
  99.1        Press Release dated January 21, 2003
  2
  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.
  REDBACK NETWORKS INC.
  DATE: January 23, 2003
  By:
  /s/    T
  HOMAS
  L. C
  RONAN
  III
  Thomas L. Cronan III
  Senior Vice President of Finance and Administration, Chief Financial
  Officer
  3