- ISO Network Entity Title (NET)
- Rules for Creating a NET
- Examples of NETs: Cisco Implementation
- Basic IS-IS Configuration
- Neighbors and Timers
- Election of the Designated IS (DIS)
- Rules for IS-IS Adjacencies
- Routing Metrics
- Wide Metrics
- Manual Summarization
- Injecting Default Routes
- Defining Router Types
- Verifying Integrated IS-IS Routing
- Configuration Example: Multi-Area IS-IS
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. |