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Integrated IS-IS Commands for CCNP BSCI

Sample Chapter is provided courtesy of Cisco Press.
Date: Dec 7, 2007.

Chapter Information

Chapter Description

This chapter provides information and commands concerning a wide range of Intermediate System-to-Intermediate System (IS-IS) topics related to the CCNP BSCI exam.

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CCNP BSCI Portable Command Guide

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Election of the Designated IS (DIS)

`Router(config)#``interface fastethernet 0/0`	Enters interface configuration mode.
`Router(config-if)#``isis priority 100`	Changes the priority to 100 for the DIS election process.
	NOTE DIS priority is a number that ranges from 0 to 127. The Cisco default is 64. The highest priority wins the DIS election. If all priorities are the same, the numerically highest MAC address wins the election. There is no way to make a router ineligible from being the DIS—there is no IS-IS equivalent to the OSPF priority 0 option.
	NOTE There is no backup DIS.

7. Rules for IS-IS Adjacencies | Next Section Previous Section

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