
11-2
Follow these steps to enable the device to receive directed broadcasts:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable the device to receive
directed broadcasts
ip forward-broadcast
Required
By default, the device is disabled
from receiving directed broadcasts.
Enabling Forwarding of Directed Broadcasts to a Directly Connected Network
Follow these steps to enable the device to forward directed broadcasts:
To do… Use the command… Remarks
Enter system view
system-view
—
Enter interface view
interface
interface-type
interface-number
—
Enable the interface to forward
directed broadcasts
ip forward-broadcast
[
acl
acl-number
]
Required
By default, the device is disabled from
forwarding directed broadcasts.
z You can reference an ACL to forward only directed broadcasts permitted by the ACL.
z If you execute the ip forward-broadcast acl command on an interface repeatedly, the last
execution overwrites the previous one. If the command executed last time does not include the acl
acl-number, the ACL configured previously will be removed.
Configuration Example
Network requirements
As shown in Figure 11-1, the host’s interface and VLAN-interface 3 of AC are on the same network
segment (1.1.1.0/24). VLAN-interface 2 of AC and VLAN-interface 2 of Switch are on another network
segment (2.2.2.0/24). The default gateway of the host is VLAN-interface 3 (IP address 1.1.1.2/24) of AC.
Configure a static route on Switch to enable the reachability between Host and Switch.
Network diagram
Figure 11-1 Network diagram for receiving and forwarding directed broadcasts
Configuration procedure
z Configure AC
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