Cisco 7100 Series Especificaciones descargar pdf (Pagina 79)

Extranet VPN Business Scenario 4-7

Configuring Static Inside Source Address Translation

5 When the router receivesthe packetwith the inside global IP address, it performs a NAT

table lookup by using the inside global address as a key. It then translates the address to

the inside local address of Host 10.1.1.1 and forwards the packet to Host 10.1.1.1.

6 Host 10.1.1.1 receives the packet and continues the conversation. The router performs

Steps 2 through 5 for each packet.

Conﬁguring Static Inside Source Address Translation

To conﬁgure static inside source address translation, complete the following steps starting

in global conﬁguration mode:

The previous steps are the minimum you must conﬁgure for static inside source address

translation. You could conﬁgure multiple inside and outside interfaces.

Step Command Purpose

hq-sanjose(config)# ip nat inside source static

10.1.6.5 10.2.2.2

Establish static translation between an

inside local address and an inside

global address. This example translates

inside local address 10.1.6.5 (the Web

server) to inside global address

10.2.2.2.

hq-sanjose(config)# interface fastethernet 0/1

Specify the inside interface. This

example speciﬁes Fast Ethernet

interface 0/1 on the headquarters router.

3 hq-sanjose(config-if)# ip nat inside Mark the interface as connected to the

inside.

hq-sanjose(config-if)# interface serial 2/0

Specify the outside interface. This

example speciﬁes serial interface 2/0

on the headquarters router.

hq-sanjose(config-if)# ip nat outside

Mark the interface as connected to the

outside.

hq-sanjose(config-if)# exit

hq-sanjose(config)#

Exit back to global conﬁguration mode.

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Cisco 7100 Series Especificaciones Pagina 79