Networking Software (IOS & NX-OS)
Browse All Cisco IOS and NX-OS Software Categories

IOS 12 Releases

• 12.4 Mainline
• 12.4 Special and Early Deployments
• 12.4 T
• 12.3 Mainline
• 12.3 Special and Early Deployments
• 12.3 T
• 12.2 Mainline
• 12.2 S
• 12.2 SB
• 12.2 SC
• 12.2 SE
• 12.2 SG
• 12.2 Special and Early Deployments

• 12.2 SR
• 12.2 SX
• 12.2 T
• 12.1 E
• 12.1 Mainline
• 12.1 Special and Early Deployments
• 12.1 T
• 12.0 Mainline
• 12.0 S
• 12.0 Special and Early Deployments
• 12.0 ST
• 12.0 T