User manual

001-5099-000 HiPR-900 User Manual
57
Figure 57 - Example-Limited broadcast forwarding disabled
In this example, limited broadcast forwarding is enabled on the Master unit, disabled on the Remote (1)
unit and enabled on the Remote (2) unit. If Sender sends a packet to destination address
255.255.255.255, the packet would reach Remote Host (4) only. The Remote (1) unit would discard any
limited broadcast packet it received from the Master unit.
If the user wants the Master unit to do the discarding of the limited broadcast packets, then the limited
broadcast forwarding must be disabled on the Master unit itself. Then no Remote Host unit would ever
be receiving a limited broadcast packet.
Note:
Serial data is always sent via broadcast mechanism as no destination address can normally be ex-
tracted.
Sender
Master
RF Airlinks
Remote Host (2)
172.30.1.3/24
Remote Host (3)
172.30.1.4/24
Remote (1)
172.30.1.1/24
Remote (2)
172.30.3.1/24
Remote Host (1)
172.30.1.2/24
Remote Host (4)
172.30.3.2/24
10.0.0.1/8
10.0.0.2/8
10.0.0.4/8
Limited broadcast forwarding
enabled
Limited broadcast forwarding
disabled
Send to 255.255.255.255
Limited broadcast forwarding
enabled
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