Configuring Cisco Routers for Appropriate Integrated IS-IS Operation

To enable the IS-IS process, simply perform the following tasks while in global configuration mode:

Router50B(config)# router isis [tag]

This will start IS-IS routing and specify an IS-IS process for IP, placing you in router configuration mode. The [tag] is optional and is used to supply some unique and descriptive name for the routing process if more than one IS-IS process is configured on the router.

Your next step is to configure the NET for the routing process. The exact syntax for the net command is net network-entity-title. There is no network command as there is in IP. If you need to route CLNS packets as well, you also use the clns router isis [tag] interface configuration ...

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