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Cisco IOS in a Nutshell, 2nd Edition
book

Cisco IOS in a Nutshell, 2nd Edition

by James Boney
August 2005
Intermediate to advanced content levelIntermediate to advanced
798 pages
31h 12m
English
O'Reilly Media, Inc.
Content preview from Cisco IOS in a Nutshell, 2nd Edition

Name

ip broadcast-address — interface

Synopsis

ip broadcast-address address
no ip broadcast-address address

Configures

A broadcast address for an interface

Default

Depends on the settings in the config-register

Description

This command specifies the interface’s broadcast address. All hosts on the network to which the interface is connected must use the same broadcast address. Broadcast addresses are usually formed by setting the “host address” portion of the IP address to 1, which is the default for the router and most modern computer systems. Some old systems may form the broadcast address by setting the host portion to 0, and may be incapable of using the “1” form. In this case, you must explicitly set the broadcast address of the router interface (and all other hosts on the network) to use the older form.

Example

The following code changes the broadcast IP address for serial 0 to 10.10.10.255:

interface serial 0
    ip broadcast-address 10.10.10.255
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Publisher Resources

ISBN: 0596008694Errata