Rf Interface - Cal Amp Dataradio HiPR-900 User Manual

Packet (1)
Src Address 172.30.1.2
Dst Address 200.1.1.1
Remote Host 1
172.30.1.2/24
Private ETH network
6.7.3.3.2.1.2 RF Interface is Considered Private
An IP packet whose source IP address originates from the RF network and is sent towards the Ethernet
network will have its source IP address replaced by the Ethernet IP address of the HiPR-900 unit. In the
example Figure 48, the RF interface of the HiPR-900 (1) unit is considered private. The Ethernet interface
of the HiPR-900(2) unit is considered private.
HiPR-900 (1)
(NAT enabled, RF interface is pri-
vate)
Remote Host 1
172.30.1.2/24
Notice that in the example (Figure 48 and Figure 49) NAT is enabled on HiPR-900 (2) on the Ethernet
interface and that on the HiPR-900 (1) unit on the RF interface.
001-5099-000
Src Address 172.31.1.2
Dst Address 200.1.1.1
HiPR900(2)
(NAT Enabled, ETH is
private)
Figure 46 - Private to Public
Figure 47 - NAT on HiPR-900 Enabled: RF interface is private
ETH 172.32.1.1/24
RF: 172.31.1.1/24
Private RF Network
RF: 172.31.1.2/24
ETH: 172.30.1.1/24
Private ETH Network
Figure 48 - NAT Enabled on RF interface
Packet (1)
Src Address 172.31.1.2
Dst Address 200.1.1.1
HiPR900 (1)
(NAT Disabled)
RF network
External
Network
HiPR-900 (2)
(NAT enabled, Ethernet interface is private)
49
Packet (1)
External Host 1
200.1.1.1/24
External network
External Host 1
200.1.1.1/24
Public Network
(External Network)
HiPR-900 User Manual