外网Telnet虚拟机，及nat配置等

环境整体是使用GNS3，通过cloud真实连接到虚拟机

cloud1	nginx主机
cloud2	nginx主机https连接
cloud3	Internet测试主机

下面贴每个网络设备配置，特别注意，公司网关路由和Internet路由其的配置

配置这里就不解释了，主要注意下，公司网关路由的NAT配置，着实难受些

• ESW3交换机

ESW3#sh run
Building configuration...

Current configuration : 2364 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
no service dhcp
!
hostname ESW3
!
boot-start-marker
boot-end-marker
!
enable password cisco
!
no aaa new-model
memory-size iomem 5
no ip routing
no ip icmp rate-limit unreachable
ip tcp synwait-time 5
!
!
 --More--
*Mar  1 02:06:32.867: %SYS-5-CONFIG_I: Configured from console no ip cefe
no ip domain lookup

vtp file nvram:vlan.dat

interface FastEthernet1/0
 switchport access vlan 3
 duplex full
 speed 100
!
interface FastEthernet1/1
 duplex full
 speed 100
!
interface FastEthernet1/2
 duplex full
 speed 100
!
interface FastEthernet1/3
 duplex full
 speed 100
!
interface FastEthernet1/4
 duplex full
 speed 100
!
interface FastEthernet1/5
 switchport access vlan 4
 duplex full
 speed 100
!
interface FastEthernet1/6
 duplex full
 speed 100
!
interface FastEthernet1/7
 duplex full
 speed 100
!
interface FastEthernet1/8
 duplex full
 speed 100
!
interface FastEthernet1/9
 duplex full
 speed 100
!
interface FastEthernet1/10
 switchport mode trunk
 duplex full
 speed 100
!
interface FastEthernet1/11
 duplex full
 speed 100
!
interface FastEthernet1/12
 duplex full
 speed 100
!
interface FastEthernet1/13
 duplex full
 speed 100
!
interface FastEthernet1/14
 duplex full
 speed 100
!
interface FastEthernet1/15
 duplex full
 speed 100
!
interface Vlan1
 no ip address
 no ip route-cache
 shutdown
!
interface Vlan4
 ip address 192.168.4.10 255.255.255.0
!
ip default-gateway 192.168.4.1
no ip http server
no ip http secure-server

line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 password cisco
 login
!
!
end

• ESW1配置

sw1#sh run
Building configuration...

Current configuration : 2244 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
no service dhcp
!
hostname sw1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip routing
no ip icmp rate-limit unreachable
ip tcp synwait-time 5
!
!
no ip cef
no ip domain lookup

vtp file nvram:vlan.dat

interface FastEthernet1/0
 switchport access vlan 2
 duplex full
 speed 100
!
interface FastEthernet1/1
 duplex full
 speed 100
!
interface FastEthernet1/2
 duplex full
 speed 100
!
interface FastEthernet1/3
 duplex full
 speed 100
!
interface FastEthernet1/4
 duplex full
 speed 100
!
interface FastEthernet1/5
 switchport access vlan 2
 duplex full
 speed 100
!
interface FastEthernet1/6
 duplex full
 speed 100
!
interface FastEthernet1/7
 duplex full
 speed 100
!
interface FastEthernet1/8
 duplex full
 speed 100
!
interface FastEthernet1/9
 duplex full
 speed 100
!
interface FastEthernet1/10
 duplex full
 speed 100
!
interface FastEthernet1/11
 switchport mode trunk
 duplex full
 speed 100
!
interface FastEthernet1/12
 duplex full
 speed 100
!
interface FastEthernet1/13
 duplex full
 speed 100
!
interface FastEthernet1/14
 duplex full
 speed 100
!
interface FastEthernet1/15
 duplex full
 speed 100
!
interface Vlan1
 no ip address
 no ip route-cache
 shutdown
!
no ip http server
no ip http secure-server

line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 login
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

• ESW2

ESW2#sh run
Building configuration...

Current configuration : 2427 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
no service dhcp
!
hostname ESW2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip tcp synwait-time 5
!
!
ip cef
no ip domain lookup

vtp file nvram:vlan.dat

interface FastEthernet1/0
 duplex full
 speed 100
!
interface FastEthernet1/1
 duplex full
 speed 100
!
interface FastEthernet1/2
 duplex full
 speed 100
!
interface FastEthernet1/3
 duplex full
 speed 100
!
interface FastEthernet1/4
 duplex full
 speed 100
!
interface FastEthernet1/5
 duplex full
 speed 100
!
interface FastEthernet1/6
 duplex full
 speed 100
!
interface FastEthernet1/7
 duplex full
 speed 100
!
interface FastEthernet1/8
 duplex full
 speed 100
!
interface FastEthernet1/9
 duplex full
 speed 100
!
interface FastEthernet1/10
 switchport mode trunk
 duplex full
 speed 100
!
interface FastEthernet1/11
 switchport mode trunk
 duplex full
 speed 100
!
interface FastEthernet1/12
 duplex full
 speed 100
!
interface FastEthernet1/13
 duplex full
 speed 100
!
interface FastEthernet1/14
 duplex full
 speed 100
!
interface FastEthernet1/15
 no switchport
 ip address 10.0.0.1 255.255.255.252
 duplex full
 speed 100
!
interface Vlan1
 no ip address
 shutdown
!
interface Vlan2
 ip address 192.168.2.1 255.255.255.0
!
interface Vlan3
 ip address 192.168.3.1 255.255.255.0
!
interface Vlan4
 ip address 192.168.4.1 255.255.255.0
!
no ip http server
no ip http secure-server
!
ip route 0.0.0.0 0.0.0.0 10.0.0.2

line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login

end

• 公司网关路由

R1#sh run
Building configuration...

Current configuration : 1534 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip tcp synwait-time 5
!
!
ip cef
no ip domain lookup

interface FastEthernet0/0
 ip address 10.0.0.2 255.255.255.252
 ip nat inside
 ip virtual-reassembly
 duplex auto
 speed auto
!
interface FastEthernet1/0
 ip address 11.0.0.1 255.255.255.252
 ip nat outside
 ip virtual-reassembly
 duplex auto
 speed auto
!
no ip http server
no ip http secure-server
!
ip route 0.0.0.0 0.0.0.0 11.0.0.2
ip route 192.168.2.0 255.255.255.0 10.0.0.1
ip route 192.168.3.0 255.255.255.0 10.0.0.1
ip route 192.168.4.0 255.255.255.0 10.0.0.1
!
ip nat pool dynami 207.38.18.1 207.38.18.5 netmask 255.255.255.248
ip nat inside source list 3 pool dynami
ip nat inside source list 4 interface FastEthernet1/0 overload
ip nat inside source static tcp 192.168.4.10 23 interface FastEthernet1/0 23
ip nat inside source static tcp 192.168.2.2 80 145.52.23.6 80 extendable
ip nat inside source static tcp 192.168.2.3 443 145.52.23.6 443 extendable
!
access-list 3 permit 192.168.3.0 0.0.0.255
access-list 4 permit 192.168.4.0 0.0.0.255
no cdp log mismatch duplex
!
!
control-plane

line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

• internet路由

isp#sh ru
*Mar  1 01:57:39.243: %SYS-5-CONFIG_I: Configured from console by console
isp#sh run
Building configuration...

Current configuration : 947 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname isp
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip tcp synwait-time 5
!
!
ip cef
no ip domain lookup

interface FastEthernet0/0
 ip address 172.16.0.1 255.255.255.0
 duplex auto
 speed auto
!
interface FastEthernet1/0
 ip address 11.0.0.2 255.255.255.252
 duplex auto
 speed auto
!
no ip http server
no ip http secure-server
!
ip route 145.52.23.0 255.255.255.248 11.0.0.1
ip route 192.168.4.0 255.255.255.0 11.0.0.1
ip route 207.38.18.0 255.255.255.248 11.0.0.1

no cdp log mismatch duplex

line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end