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

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Name

async default routing — interface

Synopsis

async default routing
no async default routing

Configures

Routing on async interfaces

Default

Disabled

Description

By default, routing protocols like RIP, IGRP, EIGRP, and OSPF are not enabled on asynchronous interfaces. This command allows all the routing protocols to be enabled on these interfaces. It can be used to route between offices that are linked by traditional analog modems. Use the no form to disable routing on this interface.

Example

The following commands set up default routing for a dedicated async line:

interface async  2
  encapsulation ppp
  async mode dedicated
  async default routing

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