Cisco Cisco IOS Software Release 12.4(4)T 产品宣传页
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Cisco IOS Software Major Release 12.4T &
Individual 12.4(n)T Release Relationship
Individual 12.4(n)T Release Relationship
Each Major release of 12.4T consists of periodic, individual releases
Each individual release of 12.4T, such as Release 12.4(22)T, includes
new hardware and/or software features, and software fixes
new hardware and/or software features, and software fixes
After its initial introduction, each individual release receives ongoing
maintenance (additional software fixes) through release rebuilds
maintenance (additional software fixes) through release rebuilds
First Individual
Release
First
Rebuild
Second
Rebuild
Rebuild
Second Individual
Release
First
Rebuild
Second
Rebuild
Rebuild
Major
Release
12.4T
New hardware and software features, and software fixes
Additional software fixes