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Understating Cisco IOS v15 Licensing

IOS 15 is a single software package for the hardware platform that your are using. Now that flash is cheap and large, there doesn’t need to be a different IOS image for the different versions with the advanced features. So you get one software image that has all the features for that platform.

Prior to IOS 15 , we used to have 8 IOS images, all routers came with IPBase image and according to your needs you can choose what IOS image to install on your router as each image had different features than others as illustrated below.

wilkins_iosver_fig03 Read the rest of this entry