Avaya Configuring IP Services Manual de usuario Pagina 429

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Configuring Network Address Translation
303528-A Rev 00
12-27
4. Determining that the destination address is an N-to-1 address, NAT uses the
address and the port number to locate the destination host -- host B. NAT
attaches the local address to the packet and transmits the packet on the local
interface.
Figure 12-6. N-to-1 Address Translation (Global to Local)
To configure N-to-1 address translation, you perform the following operations:
1.
Define a local address range as described in “Adding a Local Address
Range” on page 12-19.
2.
Enable N-to-1 address translation.
3.
Specify a global IP address.
Use the following Site Manager procedure to enable N-to-1 translation and
specify a global IP address.
IP0076A
NAT
N-to-1 translator
Global destination address: 192.1.1.1
Port: X12Y
Local destination address:55.0.0.1
Port: 2001
Global source address: 192.1.1.1
Port: X54Y
Local source address: 55.0.0.2
Port: 2222
Host A Host B
Host A Host B
NAT
N-to-1 translator
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