This document assumes a basic comprehension and familiarity with the Cisco IOS Software user interface. Therefore, you can read each section independently and make changes in a phased approach. This document provides modular configuration guidance. Refer to the document Best Practices for Catalyst 4500/4000, 5500/5000, and 6500/6000 Series Switches Running CatOS Configuration and Management for information on CatOS because this document covers Cisco IOS system software.Ĭisco IOS system software provides users with some of these advantages:

CatOS, with the Cisco IOS Software option for router daughter cards and modules, is supported in these switch series:Ĭisco IOS system software is supported in these switch series: In this mode, Cisco IOS Software is the system software, and it replaces CatOS.īoth CatOS and Cisco IOS Software operating systems are deployed in critical networks. The integration results in a single command line for both switching and routing configuration. In this mode, the functionality of CatOS has been integrated into Cisco IOS Software. Cisco IOS Software that runs on the routing module is an option that requires CatOS system software.įor Cisco IOS Software, there is only one command line for configuration. The Cisco IOS Software command line for routingĬatOS is the system software, which runs on the Supervisor Engine. In this mode, there are two command lines for configuration: The Multilayer Switch Feature Card (MSFC) in the Catalyst 6500/6000 With CatOS, there is the option to run Cisco IOS Software on router daughter cards or modules such as: The Catalyst 6500/6000 and Catalyst 4500/4000 series switches support one of these two operating systems that run on the Supervisor Engine: This document provides best practices for Catalyst 000 series switches that run Cisco IOS ® Software on the Supervisor Engine.

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