Establishing An Ip Broadcast Address - Cisco Catalyst 9500 series Configuration Manual

Configuring IP Unicast Routing

Establishing an IP Broadcast Address

The most popular IP broadcast address (and the default) is an address consisting of all ones (255.255.255.255).
However, the Device can be configured to generate any form of IP broadcast address.
Procedure
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Command or Action
enable
Example:
Device> enable
configure terminal
Example:
Device# configure terminal
interface interface-id
Example:
Device(config)# interface
gigabitethernet 1/0/1
ip broadcast-address ip-address
Example:
Device(config-if)# ip broadcast-address
128.1.255.255
end
Example:
Device(config)# end
show ip interface [interface-id]
Example:
Device# show ip interface
copy running-config startup-config
Example:
Device# copy running-config
startup-config
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
Configuring Broadcast Packet Handling
Purpose
Enables privileged EXEC mode. Enter your
password if prompted.
Enters the global configuration mode.
Enters interface configuration mode, and
specifies the interface to configure.
Enters a broadcast address different from the
default, for example 128.1.255.255.
Returns to privileged EXEC mode.
Verifies the broadcast address on the interface
or all interfaces.
(Optional) Saves your entries in the
configuration file.
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