Probably it is more correct to say that it just happened to them because Cisco wanted to grow. To realize a share of the switching market they aquired other companies with products that Cisco expected to be successfull. Catalyst switches were one of these.
Then Cisco had to sell them asap to make their aquisition pay off. But these non-cisco products were never designed to run under the IOS and were therefore incorporated in the Cisco-product range with little more changes than a suitable black/blue painting and the Cisco logo.
The long term goal is (or has been) to incorporate all functionality on all devices in the IOS. You can see that Cisco has made considerable progress in this effort but I would be surprised if the CatOS was to disappear within the next 3 years.
The same approach is chosen for other non-cisco products like the PIX firewall and the VPN concentrators.
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...