Cisco 827 - 827 Router - EN Instrukcja Użytkownika Pobierz pdf (Strona 12)

Network Scenarios Pagina 12 di 35

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/827/827swcfg/ntwkscen.htm 14/02/2001

Configuring NAT

Follow the steps below to configure NAT, beginning in global configuration mode.

7 .

Exit configuration mode for the ATM

interface.

Router

(config-atm-

vc)#

exit

Step Task Router

Prompt

Command

1 .

Enable dynamic translation of

addresses permitted by the access

list to one of addresses specified in

the ATM interface.

Router

(config)#

ip nat inside source list 1

pool interface ATM0

overload

2 .

Set the IP route to point to the

ATM interface as a default

gateway.

Router

(config)#

ip route 0.0.0.0.0.0.0.0 atm0

3 .

Define a standard access list

permitting addresses that need

translation.

Router

(config)#

access-list 1 permit

192.168.1.0.0.0.0.255

4 .

Enter configuration mode for the

Ethernet interface.

Router

(config)#

interface ethernet 0

5 .

Establish the Ethernet interface as

inside interface.

Router

(config-if)

ip nat inside

6 .

Exit configuration mode for the

Ethernet interface.

Router

(config-if)

exit

7 .

Enter configuration mode for the

ATM interface.

Router

(config)#

interface atm 0

8 .

Establish the ATM interface as

outside interface.

Router

(config-if)

ip nat outside

9 .

Exit configuration mode for the

ATM interface.

Router

(config-if)

exit

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