Defining Router Types
Router(config)#router isis |
Enables the IS-IS routing process. |
Router(config-router)#is-type level-1 |
The router will perform only Level 1 routing (intra-area or within a single area). |
Router(config-router)#is-type level-1-2 |
The router will perform both Level 1 routing (intra-area) and Level 2 routing (inter-area). |
Router(config-router)#is-type level-2-only |
The router will perform only Level 2 routing. This router will not communicate with Level 1 routers in its own area. |