This chapter provides information and commands concerning the following Intermediate System-to-Intermediate System (IS-IS) topics:
- 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
ISO Network Entity Title (NET)
Figure 4-1 shows three of the different formats that an ISO NET can take:
- (a) An 8-octet area IS/system ID format
- (b) An OSI NSAP format
- (c) A GOSIP NSAP format
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Figure 4-1 Formats for ISO NET
2. Rules for Creating a NET | Next Section