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Cisco IOS Software Release 12.1

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NOTE: This product is no longer being sold and might not be supported. View the End-of-Life Notice to learn:
  • End-of-sale and end-of-life dates
  • What replacement products are available
  • Information about product support

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Data Sheets and Literature

Bulletins

(All Cisco IOS Software Releases 12.1 Mainline Bulletins)

Standards Supported in Cisco IOS Software Release 12.1/12.1T

Data Sheets

(All Cisco IOS Software Releases 12.1 Mainline Data Sheets)

Cisco IOS Software Major Release 12.1

End-of-Life and End-of-Sale Notices

(All Cisco IOS Software Releases 12.1 Mainline End-of-Life and End-of-Sale Notices)

End-of-Sale and End-of-Life Announcement for Release 12.1