Command Reference IP Address Commands
packet and handles this packet in the same way as forwarding a unicast packet. After the directed
broadcast packet reaches a device that is directly connected to this subnet, the device converts the
directed broadcast packet into a flooding broadcast packet (typically the broadcast packet whose
destination IP address is all-1s), and then sends the packet to all hosts in the destination subnet as
with link layer broadcast.
You can enable conversion from directed broadcast into physical broadcast on a specified interface,
so that this interface can forward a directed broadcast packet to a directly connected network. This
command affects only the final transmission of directed broadcast packets that have reached the
destination subnet instead of normal forwarding of other directed broadcast packets.
You can also define an access list on an interface to control which directed broadcast packets to
forward. After an access list is defined, only the packets that conform to the conditions defined in the
access list will perform the conversion from directed broadcast to physical broadcast.
If the no ip directed-broadcast command is configured on an interface, RGOS will discard the
directed broadcast packets received from the directly connected network.
Configuration
Examples
The following example enables the forwarding of directed broadcast packet on the FE port 0/1 of the
device.
interface fastEthernet
0/1
ip directed-broadcast
Related
Commands
Command Description
N/A N/A
Platform
Description
This command is not supported on Layer 2 switches.
ip address-pool
Use this command to enable the IP address pool function. Use the no form of this command to
disable the IP address pool function.
ip address-pool local
no ip address-pool local
Parameter
Description
Parameter Description
N/A N/A
Defaults
The IP address pool function is enabled.
Command
Mode
Global configuration mode
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