Cisco IOS Software Releases 12.1 T

End-of-Sale Releases

Cisco IOS Software Release 12.1(5)T

Cisco IOS Software Release 12.1(5)T12

Cisco IOS Software Release 12.1(5)T11

Cisco IOS Software Release 12.1(5)T10

Cisco IOS Software Release 12.1(5)T9

Cisco IOS Software Release 12.1(5)T8

Cisco IOS Software Release 12.1(5)T7

Cisco IOS Software Release 12.1(5)T6

Cisco IOS Software Release 12.1(5)T5

Cisco IOS Software Release 12.1(5)T4

Cisco IOS Software Release 12.1(5)T3

Cisco IOS Software Release 12.1(5)T2

Cisco IOS Software Release 12.1(5)T1

Cisco IOS Software Release 12.1(4)T

Cisco IOS Software Release 12.1(3)T

Cisco IOS Software Release 12.1(3a)T8

Cisco IOS Software Release 12.1(3a)T7

Cisco IOS Software Release 12.1(3a)T6

Cisco IOS Software Release 12.1(3a)T5

Cisco IOS Software Release 12.1(3a)T4

Cisco IOS Software Release 12.1(3a)T3

Cisco IOS Software Release 12.1(3a)T2

Cisco IOS Software Release 12.1(3a)T1

Cisco IOS Software Release 12.1(2)T

Cisco IOS Software Release 12.1(2a)T2

Cisco IOS Software Release 12.1(2a)T1

Cisco IOS Software Release 12.1(1)T

Cisco IOS Software Release 12.1(1a)T1