Configuration Guide Configuring IP Addresses and Services
(Optional) Some old hosts may identify broadcast address 0.0.0.0 only. In this case, set the broadcast address of the
target interface to 0.0.0.0.
Perform the configuration in L3 interface configuration mode.
Enabling Directed Broadcast Forwarding
(Optional) If you want to enable a host to send broadcast packets to all hosts in a domain that it is not in, enable
directed broadcast forwarding.
Perform the configuration in L3 interface configuration mode.
Verification
Run the show running-config interface command to check whether the configuration takes effect.
Related Commands
Configuring an IP Broadcast Address
ip broadcast-address ip-address
ip-address: Broadcast address of an IP network.
Interface configuration mode
Generally, the destination address of IP broadcast packets is all 1s, which is expressed as 255.255.255.255.
The RGOS software can generate broadcast packets of other IP addresses through definition and receive
self-defined broadcast packets and the broadcast packets with address 255.255.255.255.
Allowing Forwarding of Directed Broadcast Packets
ip directed-broadcast [ access-list-number ]
access-list-number: Access list number, ranging from 1 to 199 and from1300 to 2699. After an ACL is
defined, only directed broadcast packets that match the ACL are forwarded.
Interface configuration mode
If the no ip directed-broadcast command is run on an interface, the RGOS software will discard directed
broadcast packets received from the network that is directly connected.
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