Cisco 800 Release Notes

Release Notes for the Cisco 800 Series Routers
for Cisco IOS Release 12.1(5)YC
March 25, 2002
These release notes describe new features and significant software components for the Cisco 800 Series
Routers that support Cisco IOS Release 12.1(5)YC3. These release notes are updated as needed to
describe new memory requirements, new features, new hardware support, software platform deferrals,
microcode or modem code changes, related document changes, and any other important changes. Use
these release notes with the Cross-Platform Release Notes for Cisco IOS Release 12.1 located on
Cisco.com and the Documentation CD-ROM.
For a list of the software caveats that apply to Release 12.1(5)YC3, refer to the section
to the online Caveats for Cisco IOS Release 12.1 T document. The caveats document is updated for
every 12.1 T maintenance release and is located on Cisco.com and the Documentation CD-ROM.
Contents
These Release Notes describe the following topics:
System Requirements, page 2
•
• New and Changed Information, page 10
Limitations and Restrictions, page 15
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Important Notes, page 18
•
Caveats, page 23
•
Documentation Updates
•
• Related Documentation, page 25
Obtaining Documentation, page 34
•
Obtaining Technical Assistance, page 35
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"Caveats" and
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