Cisco Cisco IOS Software Release 12.4(20)YA
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Release Notes for Cisco 800 Series Integrated
Services Routers with Cisco IOS Release
12.4(20)YA
Services Routers with Cisco IOS Release
12.4(20)YA
First Released: April 7, 2009
Last Revised: April 6, 2009
Cisco IOS Release 12.4(20)YA3
OL-19218-01 First Release
Last Revised: April 6, 2009
Cisco IOS Release 12.4(20)YA3
OL-19218-01 First Release
These release notes describe new features and significant software components for the Cisco 800 series
Integrated Services Routers (ISRs) that support Cisco IOS Release 12.4(20)YA. These release notes are
updated as needed. Use these release notes with the
Integrated Services Routers (ISRs) that support Cisco IOS Release 12.4(20)YA. These release notes are
updated as needed. Use these release notes with the
12.4T
and
.
For a list of the software caveats that apply to the Release 12.4(20)YA releases, see the
, and see the online
document. The caveats document
is updated for every
12.4T maintenance release.
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