Avaya Configuring BFE Services Uživatelský manuál stáhnout pdf (Strana 51)

Configuring Network Address Translation

305753-A Rev 00

3-7

In Figure 3-4, the NAT router then replaces the local source address (10.0.0.15)

with the translated global address (192.55.10.3) and sends the packet on its way to

its destination in company B’s network.

Figure 3-4. NAT Replaces the Local Address with a Registered Source Address

NAT router

Local address

range list

Global address

range list

Current local/global

mapping entry list:

10.0.0.1 192.55.10.1

10.0.0.2 192.55.10.2

10.0.0.15

IP packet

Source address

Destination address

IP0054A

192.55.10.3

15.0.0.0 to 15.255.255.255

50.1.1.0 to 50.1.1.255

192.55.10.0 to 192.55.10.255

192.20.10.0 to 192.20.10.255

192.100.20.2

10.0.0.0 to 10.255.255.255

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 179 180

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Avaya Configuring BFE Services Uživatelský manuál Strana 51