Catalyst 6500/6000交換機中的NAT配置示例

6509sup720#show running-config 
 Building configuration...
 Current configuration : 7524 bytes
 !
 version 12.2
 service timestamps debug datetime
 service timestamps log datetime msec localtime
 service password-encryption
 service counters max age 10
 !
 hostname 6509sup720
 !
 boot system sup-bootflash:s72033-psv-mz.122-18.SXD6.bin
 !username maui-nas-05 password cisco

 !
no ip domain-lookup
!
no mls flow ip
no mls flow ipv6
spanning-tree mode pvst
!
redundancy
 mode sso
 main-cpu
!
!
interface FastEthernet4/4
 ip address 172.16.10.64 255.255.255.0
 ip nat outside

!--- Defines interface FastEthernet 4/4 with an IP address and as a !--- NAT outside interface.

!
interface Vlan2
 ip address 10.10.10.1 255.255.255.0
 ip nat inside

!--- Defines interface VLAN 2 with an IP address and as a NAT inside !--- interface.

!
interface Vlan3
 ip address 10.10.20.1 255.255.255.0
 ip nat inside

!--- Defines interface VLAN 3 with an IP address and as a NAT inside !--- interface.

!

ip nat inside source list 100 interface FastEthernet 4/4 overload

!--- Specifies the translation for inside workstations and !--- servers to access the outside world.

ip nat inside source static tcp 10.10.10.2 25 interface FastEthernet 4/4 2525

!--- Specifies the static mapping for the outside email clients !--- to access the inside email server.


!--- Refer to ip nat inside source for more details !--- on the command.

!
!
ip classless
no ip http server
!

!--- ACL 100 permits only the desired traffic for translation.

access-list 100 permit ip 10.10.10.0 0.0.0.255 any
access-list 100 permit ip 10.10.20.0 0.0.0.255 any
!
line con 0
transport input none
line vty 0 4 
!
end

!--- Configure VLAN 2, VLAN 3 and VLAN 4 on the Supervisor.


!--- Add VLAN 2.

Catalyst6500> (enable) set vlan 2
VLAN 2 configuration successful


!--- Add VLAN 3.

Catalyst6500> (enable) set vlan 3
VLAN 3 configuration successful


!--- Add VLAN 4.

Catalyst6500> (enable) set vlan 4
VLAN 4 configuration successful


!--- Assign port fa4/4 to VLAN 4.

Catalyst6500> (enable) set vlan 4 4/4
VLAN 4 modified.
VLAN 1 modified.
VLAN  Mod/Ports
---- -----------------------
4     4/4
Catalyst6500> (enable)

MSFC#show running-config
Building configuration...

Current configuration : 1024 bytes
!
version 12.1
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Router
!
boot system flash bootflash:c6msfc2-jk2o3sv-mz.121-26.E1.bin
!
ip subnet-zero
!
!
!
ip ssh time-out 120
ip ssh authentication-retries 3
redundancy
 high-availability
 single-router-mode
!
!         
!
!
!
interface Vlan2
 ip address 10.10.10.1 255.255.255.0
 ip nat inside

!--- Defines interface VLAN 2 with an IP address and as a NAT inside !--- interface.

!
interface Vlan3
 ip address 10.10.20.1 255.255.255.0
 ip nat inside

!--- Defines interface VLAN 3 with an IP address and as a NAT inside !--- interface.

!
interface Vlan4
 ip address 172.16.10.64 255.255.255.0
 ip nat outside

!--- Defines interface VLAN 4 with an IP address and as a NAT outside !--- interface.

!
ip nat inside source list 100 interface Vlan4 overload

!--- Specifies the translation for inside workstations and !--- servers to access the outside world.

ip nat inside source static tcp 10.10.10.2 25 interface Vlan4 2525

!--- Specifies the static mapping for the outside email clients !--- to access the inside email server.


ip classless
no ip http server
!
access-list 100 permit ip 10.10.10.0 0.0.0.255 any
access-list 100 permit ip 10.10.20.0 0.0.0.255 any

!--- ACL 100 permits only the desired traffic for translation.

!
!
line con 0
line vty 0 4
 no login
!
!
end