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

Cisco IOS Software Release 12.3 reached End of Sales on March 15, 2007, and will reach End of Software Maintenance on March 15, 2008.

For more information please visit:
End of Sale/End of Life Announcement for Cisco IOS Software Major Release 12.3

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