F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices System Management and Maintenance Configuration Guide-6PW100

To enable the device to forward directed broadcasts:

Ste

Command

Remarks

1. Enter system view.

system-view N/A

2. Enter interface view.

interface interface-type

interface-number

N/A

3. Enable the interface to

forward directed broadcasts.

ip forward-broadcast [ acl

acl-number ]

Disabled by default.

145BReceiving and forwarding directed broadcasts configuration

example

352BNetwork requirements

As shown in 726HFigure 10, the default gateway of the host is the IP address 1.1.1.2/24 of the interface

GigabitEthernet 0/1 of Firewall A. Configure a static route destined for the host on Firewall B. Configure

receiving and forwarding of directed broadcasts so that Firewall B can receive directed broadcasts from

the host to IP address 2.2.2.255.

Figure 10 Network diagram

353BConfiguration procedure

• Configure Firewall A:

# Enable Firewall A to receive directed broadcasts.

<FirewallA> system-view

[FirewallA] ip forward-broadcast

# Configure IP addresses for GigabitEthernet 0/1 and GigabitEthernet 0/2.

[FirewallA] interface gigabitethernet 0/1

[FirewallA-GigabitEthernet0/1] ip address 1.1.1.2 24

[FirewallA-GigabitEthernet0/1] quit

[FirewallA] interface gigabitethernet 0/2

[FirewallA-GigabitEthernet0/2] ip address 2.2.2.2 24

# Enable GigabitEthernet 0/2 to forward directed broadcasts.

[FirewallA-GigabitEthernet0/2] ip forward-broadcast

• Configure Firewall B:

# Enable Firewall B to receive directed broadcasts.

<FirewallB> system-view

[FirewallB] ip forward-broadcast

# Configure a static route to the host.

[FirewallB] ip route-static 1.1.1.1 24 2.2.2.2

# Configure an IP address for GigabitEthernet 0/2.

[FirewallB] interface gigabitethernet 0/2