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Cisco ASR 9000 Series Aggregation Services Routers, Release 4.2
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Cisco CRS Router, Release 4.2
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Cisco XR 12000 Series Router, Release 4.2
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Cisco ASR 9000 Series Aggregation Services Routers, Release 4.1
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Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.1.2
28/Nov/2011 -
Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.1.1
28/Jul/2011 -
Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.1
03/Aug/2011
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Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.1.2
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Cisco CRS Router, Release 4.1
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Cisco XR 12000 Series Router, Release 4.1
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Cisco ASR 9000 Series Aggregation Services Routers, Release 4.0
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Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.0.3
19/Jan/2012 -
Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.0.2
19/Jan/2012 -
Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.0.1
19/Jan/2012 -
Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.0.0
20/Jul/2011
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Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.0.3
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Cisco CRS Router, Release 4.0
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Release Notes for Cisco CRS-1 and Cisco CRS-3 for Cisco IOS XR Software Release 4.0.4
14/Oct/2011 -
Release Notes for Cisco CRS-1 and Cisco CRS-3 for Cisco IOS XR Software Release 4.0.3
05/Jul/2011 -
Release Notes for Cisco CRS-1 and Cisco CRS-3 for Cisco IOS XR Software Release 4.0.2
15/Apr/2011 -
Release Notes for Cisco CRS-1 and Cisco CRS-3 for Cisco IOS XR Software Release 4.0.1
05/Jul/2011 -
Release Notes for Cisco CRS Series Router for Cisco IOS XR Software Release 4.0.0
11/Apr/2012
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Release Notes for Cisco CRS-1 and Cisco CRS-3 for Cisco IOS XR Software Release 4.0.4
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Cisco XR 12000 Series Router, Release 4.0
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Cisco ASR 9000 Series Aggregation Services Routers, Release 3.9
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Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 3.9.2
19/Jul/2011 -
Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 3.9.1
19/Jul/2011 -
Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 3.9.0
17/Dec/2009
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Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 3.9.2
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Cisco CRS-1 Router, Release 3.9
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Cisco XR 12000 Series Router, Release 3.9
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Release 3.8
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Release Notes for Cisco IOS XR Software Release 3.8.4
12/Apr/2012 -
Release Notes for Cisco IOS XR Software Release 3.8.3 New!
05/Apr/2010 -
Release Notes for Cisco IOS XR Software Release 3.8.2
12/Apr/2012 -
Release Notes for Cisco IOS XR Release 3.8.1
12/Apr/2012 -
Release Notes for Cisco IOS XR Release 3.8.0
12/Apr/2012
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Release Notes for Cisco IOS XR Software Release 3.8.4
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Release 3.7
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Release Notes for Cisco IOS XR Release 3.7.1
20/Oct/2008 -
Release Notes for Cisco IOS XR Software Release 3.7
06/Oct/2008 -
Release Notes for Cisco 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 3.7.3
31/Jul/2009 -
Release Notes for Cisco 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 3.7.2
26/Mar/2009
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Release Notes for Cisco IOS XR Release 3.7.1
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Release 3.6
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Release 3.5
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Release Notes for Cisco IOS XR Release 3.5.4
11/Aug/2008 -
Release Notes for Cisco IOS XR Software Release 3.5.3
25/Mar/2008 -
Release Notes for Cisco IOS XR Software Release 3.5.2
25/Mar/2008
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Release Notes for Cisco IOS XR Release 3.5.4
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Release 3.4
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Release 3.3
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Release Notes for Cisco IOS XR Software Release 3.3.5
29/Mar/2008 -
Release Notes for Cisco IOS XR Software Release 3.3.4
29/Mar/2008 -
Release Notes for Cisco IOS XR Software Release 3.3.3
28/Mar/2008 -
Release Notes for Cisco IOS XR Software Release 3.3.2
28/Mar/2008 -
Release Notes for Cisco IOS XR Software Release 3.3.1
28/Mar/2008 -
Release Notes for Cisco IOS XR Software Release 3.3
28/Mar/2008
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Release Notes for Cisco IOS XR Software Release 3.3.5
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Release 3.2
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Release Notes for Cisco IOS XR Software Release 3.2.6
03/Aug/2007 -
Release Notes for Cisco IOS XR Software Release 3.2.4
03/Aug/2007 -
Release Notes for Cisco IOS XR Software Release 3.2.3
03/Aug/2007 -
Release Notes for Cisco IOS XR Software Release 3.2.2
03/Aug/2007 -
Release Notes for Cisco IOS XR Software Release 3.2.1
07/Sep/2005 -
Release Notes for Cisco IOS XR Software Release 3.2
07/Jul/2005
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Release Notes for Cisco IOS XR Software Release 3.2.6
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Support Documents
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Accessing Cisco IOS XR Software Release Notes
23/Jul/2008
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Accessing Cisco IOS XR Software Release Notes