IS-IS

Note

Note

The IS-IS feature is supported only at and above the license level listed for this feature in the license tables in the Feature License Requirements document.

This chapter introduces IS-IS, a link state protocol that distributes routing information between routers belonging to an autonomous system. It provides configuration commands and examples and information about configuring, displaying, and managing IS-IS on a network. This chapter assumes that you are already familiar with Intermediate System-Intermediate System (IS‑IS) and IP routing.

If not, refer to the following publications for additional information: