NAT地址转换

1.实验拓扑图：

2.实验目的：

pc1，pc2，pc3，都是私网地址，LSW1不设置静态路由的前提下，通过AR1设置nat地址转换，将pc1-pc3的ip地址转换成功公网地址，实现pc1-pc3与pc6之间的通信，可以互通。

3.实验配置代码;

LSW1:

[LSW1]dis cur
#
sysname LSW1
#
vlan batch 100 200 300 400
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password simple admin
 local-user admin service-type http
#
interface Vlanif1
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
 port link-type trunk
 port trunk allow-pass vlan 100 200 300
#
interface GigabitEthernet0/0/2
 port link-type access
 port default vlan 100
#
interface GigabitEthernet0/0/3
 port link-type access
 port default vlan 200
#
interface GigabitEthernet0/0/4
 port link-type access
 port default vlan 300
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface GigabitEthernet0/0/9
#
interface GigabitEthernet0/0/10
#
interface GigabitEthernet0/0/11
#
interface GigabitEthernet0/0/12
#
interface GigabitEthernet0/0/13
#
interface GigabitEthernet0/0/14
#
interface GigabitEthernet0/0/15
#
interface GigabitEthernet0/0/16
#
interface GigabitEthernet0/0/17
#
interface GigabitEthernet0/0/18
#
interface GigabitEthernet0/0/19
#
interface GigabitEthernet0/0/20
#
interface GigabitEthernet0/0/21
#
interface GigabitEthernet0/0/22
#
interface GigabitEthernet0/0/23
#
interface GigabitEthernet0/0/24
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
return

[LSW1]

AR1:

[AR1]dis cur
[V200R003C00]
#
 sysname AR1
#
 snmp-agent local-engineid 800007DB03000000000000
 snmp-agent 
#
 clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
 drop illegal-mac alarm
#
vlan batch 100 200 300
#
 set cpu-usage threshold 80 restore 75
#
acl number 2000  
 rule 10 permit source 192.168.1.0 0.0.0.255 
 rule 20 permit source 192.168.2.0 0.0.0.255 
#
aaa 
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default 
 domain default_admin 
 local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
 local-user admin service-type http
#
firewall zone Local
 priority 15
#
 nat address-group 1 2.2.2.10 2.2.2.20
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/0.100
 dot1q termination vid 100
 ip address 192.168.1.1 255.255.255.0 
 arp broadcast enable
#
interface GigabitEthernet0/0/0.200
 dot1q termination vid 200
 ip address 192.168.2.1 255.255.255.0 
 arp broadcast enable
#
interface GigabitEthernet0/0/0.300
 dot1q termination vid 300
 ip address 192.168.3.1 255.255.255.0 
 arp broadcast enable
#
interface GigabitEthernet0/0/1
 ip address 2.2.2.1 255.255.255.0 
 nat server global 2.2.2.22 inside 192.168.3.2
 nat outbound 2000 address-group 1 
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
ip route-static 172.16.1.0 255.255.255.0 2.2.2.2
#
user-interface con 0
 authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
[AR1]

AR2:

[AR2]dis cur
[V200R003C00]
#
 sysname AR2
#
 snmp-agent local-engineid 800007DB03000000000000
 snmp-agent 
#
 clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
 drop illegal-mac alarm
#
 set cpu-usage threshold 80 restore 75
#
aaa 
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default 
 domain default_admin 
 local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
 local-user admin service-type http
#
firewall zone Local
 priority 15
#
interface GigabitEthernet0/0/0
 ip address 172.16.1.1 255.255.255.0 
#
interface GigabitEthernet0/0/1
 ip address 2.2.2.2 255.255.255.0 
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
ip route-static 192.168.1.0 255.255.255.0 2.2.2.1
ip route-static 192.168.2.0 255.255.255.0 2.2.2.1
ip route-static 192.168.3.0 255.255.255.0 2.2.2.1
#
user-interface con 0
 authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
[AR2]