
© 2007 Cisco Systems, Inc. All rights reserved. Cisco Confidential
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12.4T
12.4(11)T Nov 20, 2006
12.4(15)T Jun 29, 2007
12.4(20)T July 11, 2008
12.4(22)T Oct 27, 2008
12.4T PI10 Mar, 2009
S Releases
12.2(31)SB2 Dec 4, 2006
12.2(33)SB Apr 20, 2008
12.2(37)SE May 15, 2007
12.2(44)SE Jan 11, 2008
12.2(46)SE Aug, 2008
12.2(37)SG Apr 25, 2007
12.2(40)SG Nov 14, 2007
12.2(44)SG Mar 27, 2008
12.2(46)SG Jun 25, 2008
12.2(47)SG Nov 24, 2008
12.2(18)SXF14 May 19, 2008
12.2(18)SXF15 Sep 5, 2008
12.2(33)SXH Aug 31, 2007
12.2(33)SXI Sep 30, 2008
12.2(1
st
) SYA 1HCY10
12.2(33)SRA Jun 19, 2006
12.2(33)SRB Feb 28, 2007
12.2(33)SRC Jan 14, 2008
12.2(33)SRD Sep 29, 2008
Dates projected as of July 28, 2008 and subject to change.
All dates are in Calendar Year.
Cisco IOS Software Release Dates
12.4
12.4(17) Sep 10, 2007
12.4(18) Dec 19, 2007
12.4(19) Mar 19, 2008
12.4(21) Jul 23, 2008
12.4(14
th
) Nov 28, 2008
12.0S / 12.0SY
12.0(32)S11 Jun 18, 2008
12.0(32)S12 Dec, 2008
12.0(32)SY5 Mar 7, 2008
12.0(32)SY6 May 7, 2008
12.0(32)SY7 Sep 15, 2008
12.0(33)S Dec 10, 2007
12.0(33)S1 Jun 19, 2008
12.0(33)S2 Oct 31, 2008
Posted to
Cisco.com
Projected
Posting to
Cisco.com
IOS XE
RLS1 Apr 29, 2008
RLS2 Sept, 2008
RLS3 Dec, 2008
RLS4 Apr, 2009
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