Summary
In this chapter, you reviewed the configuration options that are available to you with the IS-IS routing protocol. You covered three options that are available for running IS-IS in your environment: CLNS only, IP only, and CLNS with IP. You created a lab environment that went from configuring simple IS-IS to a lab that included multiple IS-IS areas and configuration of optional parameters. You concluded the chapter by looking at the available show and debug commands.
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