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Cisco IOS in a Nutshell, 2nd Edition by James Boney

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Name

isis circuit-type — interface

Synopsis

isis circuit-type {level-1 | level-1-2 | level-2-only}
no isis circuit-type

Configures

Type of IS-IS routing on an interface

Default

level-1-2

Description

This command sets the type of IS-IS routing used on an interface. It is rarely used except for border routers (routers that lie between areas).

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