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Release Notes for Cisco XXXX Series Routers with Cisco IOS Release XX.X(XX)XX
Determining the Software Version
Upgrading to a New Software Release
New Hardware Features in Cisco IOS Release
New Software Features in Cisco IOS Release
Cisco IOS Software Documentation
Release Notes for Cisco XXXX Series Routers with Cisco IOS Release XX.X(XX)XX
First Released:Last Revised:Cisco IOS Release:OL-XXXXX-XX First ReleaseThese release notes describe new features and significant software components for the Cisco XXXX series routers that support the Cisco IOS Release XX.X(XX)XX releases. These release notes are updated as needed. Use these release notes with the Cross-Platform Release Notes for Cisco IOS Release 12.4T and About Cisco IOS Release Notes.
For a list of the software caveats that apply to the Release XX.X(XX)XX releases, see the "Caveats" section. See also Caveats for Cisco IOS Release 12.4(11)T. The online caveats document is updated for every maintenance release.
Contents
System Requirements
This section describes the system requirements for Release XX.X(XX)XX and includes the following sections:
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Determining the Software Version
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Memory Requirements
Table 1 describes the memory requirements for the Cisco IOS feature sets supported by Cisco IOS Release XX.X(XX)XX on the Cisco XXXX series routers.
Determining the Software Version
To determine the version of Cisco IOS software currently running on your Cisco XXXX series routers, see About Cisco IOS Release Notes located at http://www.cisco.com/en/US/docs/ios/12_4/12_4x/12_4xy15/ReleaseNote.html.
Upgrading to a New Software Release
For general information about upgrading to a new software release, see About Cisco IOS Release Notes located at http://www.cisco.com/en/US/docs/ios/12_4/12_4x/12_4xy15/ReleaseNote.html.
Feature Set Tables
For information about feature set tables, see About Cisco IOS Release Notes located at http://www.cisco.com/en/US/docs/ios/12_4/12_4x/12_4xy15/ReleaseNote.html.
New and Changed Information
This section contains the following information:
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New Hardware Features in Cisco IOS Release
New Software Features in Cisco IOS Release
New Features in Release 12.4T
For information regarding the features supported in Cisco IOS Release 12.4T, see the Cross-Platform Release Notes and New Feature Documentation links at the following location on Cisco.com: http://www.cisco.com/en/US/products/ps6706/tsd_products_support_series_home.html
Limitations and Restrictions
Caveats
For general information on caveats and the bug toolkit, see About Cisco IOS Release Notes located at http://www.cisco.com/en/US/docs/ios/12_4/12_4x/12_4xy15/ReleaseNote.html.
This section contains the following caveat information:
Open Caveats - Release
Resolved Caveats - Release
Additional References
Use this release note with the documents and websites throughout this release note and the documents listed in the following sections:
Release-Specific Documents
The following documents are specific to Release 12.4 and apply to Release 12.4(15)XY. They are located on Cisco.com:
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http://www.cisco.com/en/US/products/ps6706/prod_release_notes_list.html
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Platform-Specific Documents
Hardware installation guides, configuration and command reference guides, and additional documents specific to the Cisco XXXX series routers are available at the following location:
Cisco IOS Software Documentation
The Cisco IOS software documentation set consists of the Cisco IOS configuration guides, Cisco IOS command references, and several other supporting documents.
Chapters in a configuration guide describe protocols, configuration tasks, and Cisco IOS software functionality, and contain comprehensive configuration examples. Chapters in a command reference provide complete command syntax information. Use each configuration guide with its corresponding command reference.
Select your release from support and click the command references, configuration guides, or any other Cisco IOS documentation you need.
Use this document in conjunction with the documents listed in the "Additional References" section.
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