Indicates Cisco IOS Release 12.4(17), a stable Mainline release. .image/.bin: File format type. 2. Key Features of the Advanced IP Services Image (12.4)
[PC1]----[SW]----[C2691 R1]----(Frame Relay/MPLS)----[C2691 R2]----[SW]----[PC2] C2691-advipservicesk9-mz.124-17.image