Avaya Configuring BFE Services Manual do Utilizador descarregar pdf (Página 50)

Configuring GRE, NAT, RIPSO, and BFE Services

3-6

305753-A Rev 00

In Figure 3-3, the NAT router dynamically translates the source address,

10.0.0.15, to one of the available global addresses (in this case, 192.55.10.3) and

creates a new entry in the local/global translation entry list.

Figure 3-3. NAT Updates the Local/Global Translation Entry List

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

10.0.0.15 192.55.10.3

10.0.0.15

IP packet

Source address Destination address

IP0053A

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 ... 45 46 47 48 49 50 51 52 53 54 55 ... 179 180

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Avaya Configuring BFE Services Manual do Utilizador Página 50