Chapter 48. Open System Interconnection Routing Protocols
Objectives
Understand the background and role of ES-IS, IS-IS, and IDRP.
Describe the general operation of ES-IS.
Explain the IS-IS routing architecture.
Examine the use of IS-IS for CLNS routing and IP routing.
Describe the IS-IS packet types and formats.
Look at some of the additional features supported by IS-IS.
Describe the general operation of IDRP.
Intermediate System–to–Intermediate System (IS-IS) is based on work originally done at Digital Equipment Corporation (Digital) for DECnet/OSI (DECnet Phase V). IS-IS originally was developed to route in ISO Connectionless Network Protocol (CLNP) networks. A version has since been created that supports both CLNP and IP networks; this version usually ...
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