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      - CISCO IOS SOFTWARE RELEASES 12.1 MAINLINE
        MAINTAIN AND OPERATE
        Maintain and Operate TechNotes

Cisco IOS Software Releases 12.1 Mainline

Maintain and Operate TechNotes

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- Back up and Restore Configuration Files
  03/Aug/2006
- Buffer Tuning for all Cisco Routers
  28/May/2008
- Upgrading Line Card Firmware on a Cisco 12000 Series Internet Router
  04/Dec/2006