New IOS Packaging: One Universal Image with All Feature Sets
Cisco has begun using an IOS packaging model with a universal image. The term universal image means “all feature sets.” Basically, instead of the old model of one image per feature set combination, as in Figure 21-2, Cisco builds one universal image with all feature sets. There would still be a different universal image per router model or model series, per version/release, just not a different image for different feature sets.
For example, if a router supported the IP Base features, plus Voice, Security, and an advanced IP feature set, Cisco would produce one universal image with all those features for each router model/series and for each version/release. Figure 21-3 shows an example ...
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