Figure 34: Topology For Ip Directed Broadcast; Table 187: Components Of The Ip Directed Broadcast Topology - Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual

Overview and Topology

Table 187: Components of the IP Directed Broadcast Topology

Property
Switch hardware
Ingress VLAN name
Ingress VLAN IP address
Egress VLAN name
Egress VLAN IP address
Interfaces in VLAN v0
Interfaces in VLAN v1
Configuration
Copyright © 2010, Juniper Networks, Inc.
You might want to perform remote administration tasks such as backups and
wake-on-LAN (WOL) application tasks to manage groups of clients on a subnet. One
way to do this is to send IP directed broadcast packets targeted at the hosts in a particular
target subnet.
The network forwards IP directed broadcast packets as if they were unicast packets.
When the IP directed broadcast packet is received by a VLAN that is enabled for
, the switch broadcasts the packet to all the hosts in its subnet.
targeted-broadcast
In this topology (see Figure 34 on page 1279), a host is connected to an interface on an EX
Series switch to manage the clients in subnet
packet with the broadcast IP address of the target subnet as its destination address, it
forwards the packet to the subnet's Layer 3 interface and broadcasts it to all the hosts
within the subnet.

Figure 34: Topology for IP Directed Broadcast

Table 187 on page 1279 shows the settings of the components in this example.
To configure IP directed broadcast on a subnet to enable remote management of its
hosts:
Chapter 57: Examples of Interfaces Configuration
10.1.2.1/24 . When the switch receives a
Settings
EX Series switch
v0
10.1.1.1/24
v1
10.1.2.1/24
ge-0/0/3.0
ge-0/0/0.0 and ge-0/0/1.0
1279