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Cisco IOS Software Releases 12.1 Special and Early Deployments

NOTE: This product is no longer being sold and might not be supported. View the End-of-Life Notice to learn:
  • End-of-sale and end-of-life dates
  • What replacement products are available
  • Information about product support

Find additional documentation about this topic by browsing through the left navigation.

End-of-Sale Releases (108)

Cisco IOS Software Release 12.2(7)EC

Cisco IOS Software Release 12.1 (5)YE

Cisco IOS Software Release 12.1(22)AY

Cisco IOS Software Release 12.1(22)EA10

Cisco IOS Software Release 12.1(22)EA9

Cisco IOS Software Release 12.1(22)EA8

Cisco IOS Software Release 12.1(22)EA7

Cisco IOS Software Release 12.1(22)EA6

Cisco IOS Software Release 12.1(22)EA5

Cisco IOS Software Release 12.1(22)EA4

Cisco IOS Software Release 12.1(22)EA3

Cisco IOS Software Release 12.1(22)EA2

Cisco IOS Software Release 12.1(22)EA1

Cisco IOS Software Release 12.1(20)EA2

Cisco IOS Software Release 12.1(20)EA1

Cisco IOS Software Release 12.1(20)EW

Cisco IOS Software Release 12.1(19)EA1

Cisco IOS Software Release 12.1(19)EB

Cisco IOS Software Release 12.1(19)EC

Cisco IOS Software Release 12.1(19)EW

Cisco IOS Software Release 12.1(14)AX

Cisco IOS Software Release 12.1(14)AZ

Cisco IOS Software Release 12.1(14)EA1

Cisco IOS Software Release 12.1(14)EB

Cisco IOS Software Release 12.1(14)EC

Cisco IOS Software Release 12.1(13)AY

Cisco IOS Software Release 12.1(13)EB

Cisco IOS Software Release 12.1(13)EC

Cisco IOS Software Release 12.1(13)EW

Cisco IOS Software Release 12.1(12)EC

Cisco IOS Software Release 12.1(12c)EV

Cisco IOS Software Release 12.1(12c)EY

Cisco IOS Software Release 12.1(11)AX

Cisco IOS Software Release 12.1(11)EA1

Cisco IOS Software Release 12.1(11)EC

Cisco IOS Software Release 12.1(11)YJ

Cisco IOS Software Release 12.1(11b)EW1

Cisco IOS Software Release 12.1(11b)EX1

Cisco IOS Software Release 12.1(10)EC

Cisco IOS Software Release 12.1(10)EV

Cisco IOS Software Release 12.1(10)EX

Cisco IOS Software Release 12.1(10r)EV

Cisco IOS Software Release 12.1(9)EA1

Cisco IOS Software Release 12.1(9)EC

Cisco IOS Software Release 12.1(9)EX

Cisco IOS Software Release 12.1(8)EC

Cisco IOS Software Release 12.1(8a)EW1

Cisco IOS Software Release 12.1(8a)EX

Cisco IOS Software Release 12.1(7)CX

Cisco IOS Software Release 12.1(6)EC

Cisco IOS Software Release 12.1(6)EY

Cisco IOS Software Release 12.1(5)DB

Cisco IOS Software Release 12.1(5)DC

Cisco IOS Software Release 12.1(5)EY1

Cisco IOS Software Release 12.1(5)XM

Cisco IOS Software Release 12.1(5)XR

Cisco IOS Software Release 12.1(5)XU

Cisco IOS Software Release 12.1(5)XV

Cisco IOS Software Release 12.1(5)XX

Cisco IOS Software Release 12.1(5)YA

Cisco IOS Software Release 12.1(5)YB

Cisco IOS Software Release 12.1(5)YC

Cisco IOS Software Release 12.1(5)YD

Cisco IOS Software Release 12.1(5)YH

Cisco IOS Software Release 12.1(5)YI

Cisco IOS Software Release 12.1(5c)EX

Cisco IOS Software Release 12.1(5c)EX3

Cisco IOS Software Release 12.1(4)CX

Cisco IOS Software Release 12.1(4)DB

Cisco IOS Software Release 12.1(4)DC

Cisco IOS Software Release 12.1(4)XY

Cisco IOS Software Release 12.1(4)XZ

Cisco IOS Software Release 12.1(3)AA

Cisco IOS Software Release 12.1(3)DB

Cisco IOS Software Release 12.1(3)DC

Cisco IOS Software Release 12.1(3)EC

Cisco IOS Software Release 12.1(3)XG

Cisco IOS Software Release 12.1(3)XI

Cisco IOS Software Release 12.1(3)XJ

Cisco IOS Software Release 12.1(3)XK

Cisco IOS Software Release 12.1(3)XL

Cisco IOS Software Release 12.1(3)XP

Cisco IOS Software Release 12.1(3)XQ

Cisco IOS Software Release 12.1(3)XS

Cisco IOS Software Release 12.1(3)XT

Cisco IOS Software Release 12.1(3)XW

Cisco IOS Software Release 12.1(3a)XI

Cisco IOS Software Release 12.1(3a)XL

Cisco IOS Software Release 12.1(2)AA

Cisco IOS Software Release 12.1(2)EC

Cisco IOS Software Release 12.1(2)XF

Cisco IOS Software Release 12.1(2)XH

Cisco IOS Software Release 12.1(2a)XH

Cisco IOS Software Release 12.1(1)AA

Cisco IOS Software Release 12.1(1)DB

Cisco IOS Software Release 12.1(1)DC1

Cisco IOS Software Release 12.1(1)EX

Cisco IOS Software Release 12.1(1)XA

Cisco IOS Software Release 12.1(1)XB

Cisco IOS Software Release 12.1(1)XC

Cisco IOS Software Release 12.1(1)XD

Cisco IOS Software Release 12.1(1)XE

Cisco IOS Software Releases 12.1 AA

Cisco IOS Software Releases 12.1 DA

Cisco IOS Software Releases 12.1 DB

Cisco IOS Software Releases 12.1 DC

Cisco IOS Software Releases 12.1 EC

Cisco IOS Software Releases 12.1 EX

Data Sheets and Literature (2)

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