Cisco Cisco IOS Software Release 12.0(2b) 情報ガイド

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PRODUCT MIGRATION OPTIONS

Customers currently on Cisco IOS software Release 12.0 are recommended to upgrade to the latest version of Cisco IOS software Release 12.1

or 12.1T. Release 12.1 provides the same functionality as Release 12.0T, but with a higher level of end-to-end testing within various network

environments. For more information on the content of Release 12.1, please refer to

http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/index.html

Cisco IOS software Release 12.1T is an Early Deployment Release and provides the same functionality as Release 12.1, plus new features and

enhancements in all areas of Cisco IOS software: IP routing and services, Security, Connectivity & Scalability, Voice, and Management. For

detailed information on the content of Release 12.1T, please refer to Cisco IOS Software Release 12.1T Feature Overview Product Bulletin

(PB #1065) at

http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/prod_bulletin09186a0080091abd.html

When upgrading to a more recent release, certain software images may no longer be available, hardware platforms may no longer be supported,

or there may be may be changes to memory requirements. For further information, please refer to the Cisco Download Software Area at

http://www.cisco.com/public/sw-center/index.shtml

Cisco customers with current SMARTnet Onsite or SMARTnet contracts can upgrade to Cisco IOS software Release 12.1 as part of their

service contracts. For further information on upgrade service or SMARTnet, please consult your Cisco sales representative.

FOR MORE INFORMATION

For more information about the

Cisco IOS software Release 12.0

, visit

http://www.cisco.com/en/US/products/sw/iosswrel/ps1828/prod_bulletins_list.html

or contact your local account representative.

For more information about the Cisco End-of-Life Policy, go to:

http://www.cisco.com/en/US/products/prod_end_of_life.html

To subscribe to receive end-of-life/end-of-sale information, go to:

http://www.cisco.com/cgi-bin/Support/FieldNoticeTool/field-notice