User Manual

120 40520-100a ViPR User Manual
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4.8.3.3.1.1 NAT on ViPR
When NAT is enabled on an ViPR unit, the network covered by the Ethernet interface is considered pri-
vate.
Figure 33 - NAT Enabled on ViPR
An IP packet sent from the private network towards the public network will have its source IP address
replaced by the RF IP address of the ViPR unit.
Figure 34 - Private to Public
Packet (1)
Source Address 172.30.1.2
Destination Address 200.1.1.1
Packet (1)
Source Address 172.31.1.2
Destination Address 200.1.1.1
172.30.1.1/24
172.31.1.2/24
ViPR (NAT Enabled)
Management Host 1
172.30.1.2/24
External Host 1
200.1.1.1/24
Private network (172.30.1.0/24)
Public network (RF+External)
External Host 1
200.1.1.1/24
RF Network
Public Network
(External Network + RF Network)
Remote Private Network 1
Master ViPR unit
Ethernet 1
172.32.1.1/24
Remote Host 1
172.30.1.2/24
Remote ViPR unit
(
NAT enabled
)
Remote ViPR unit (NAT enabled)
RF 172.32.1.1/24
RF 172.31.1.3/24
172.30.1.1/24 172.30.1.1/24
Remote Host 2
172.30.1.2/24
Remote Private Network 2
External
Network
RF 172.31.1.1/24