Cấu hình IP như trong sơ đồ
Tạo 2 VLAN 10 & 20, định tuyến cho các VLAN dùng Switch L3
Định tuyến tĩnh cho toàn bộ sơ đồ
Cấu hình NAT Overload & NAT Static để các máy bên trong truy cập Internet & các máy bên ngoài truy cập được Web Server dtu.vn
SWCore#show running-config
Building configuration...
Current configuration : 2452 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname SWCore
!
!
!
!
!
!
!
ip routing
!
!
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface FastEthernet0/1
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/2
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/3
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/4
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/5
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/6
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/7
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/8
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/9
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/10
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/11
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/12
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/13
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/14
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/15
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/16
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/17
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/18
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/19
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/20
switchport access vlan 20
switchport mode access
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/24
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
ip address 192.168.1.2 255.255.255.0
!
interface Vlan10
ip address 192.168.10.1 255.255.255.0
ip helper-address 192.168.1.100
!
interface Vlan20
ip address 192.168.20.1 255.255.255.0
ip helper-address 192.168.1.100
!
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.1.1
!
ip flow-export version 9
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
SWCore#
FW#show running-config
Building configuration...
Current configuration : 805 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname FW
!
!
!
!
!
!
!
!
no ip cef
no ipv6 cef
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface FastEthernet0/0
ip address 192.168.100.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 192.168.0.2 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet1/0
ip address 192.168.1.1 255.255.255.0
duplex auto
speed auto
!
interface Vlan1
no ip address
shutdown
!
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.0.1
ip route 192.168.10.0 255.255.255.0 192.168.1.2
ip route 192.168.20.0 255.255.255.0 192.168.1.2
!
ip flow-export version 9
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
FW#
GW#show running-config
Building configuration...
Current configuration : 1208 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname GW
!
!
!
!
!
!
!
!
ip cef
no ipv6 cef
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface FastEthernet0/0
ip address 200.1.1.1 255.255.255.0
ip nat outside
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 192.168.0.1 255.255.255.0
ip nat inside
duplex auto
speed auto
!
interface Vlan1
no ip address
shutdown
!
ip nat inside source list 1 interface FastEthernet0/0 overload
ip nat inside source static tcp 192.168.100.2 80 200.1.1.1 80
ip nat inside source static tcp 192.168.100.2 443 200.1.1.1 443
ip classless
ip route 192.168.100.0 255.255.255.0 192.168.0.2
ip route 192.168.10.0 255.255.255.0 192.168.0.2
ip route 192.168.20.0 255.255.255.0 192.168.0.2
ip route 192.168.1.0 255.255.255.0 192.168.0.2
!
ip flow-export version 9
!
!
access-list 1 permit 192.168.0.0 0.0.0.255
access-list 1 permit 192.168.1.0 0.0.0.255
access-list 1 permit 192.168.10.0 0.0.0.255
access-list 1 permit 192.168.20.0 0.0.0.255
access-list 1 permit 192.168.100.0 0.0.0.255
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
GW#
Đứng tại máy PCVLAN10:
Đứng tại máy Client ngoài Internet:
Đứng tại Router GW:
GW#show ip nat translations
Pro Inside global Inside local Outside local Outside global
udp 200.1.1.1:1025 192.168.10.101:1025200.1.1.2:53 200.1.1.2:53
udp 200.1.1.1:1026 192.168.10.101:1026200.1.1.2:53 200.1.1.2:53
udp 200.1.1.1:1027 192.168.10.101:1027200.1.1.2:53 200.1.1.2:53
udp 200.1.1.1:1028 192.168.10.101:1028200.1.1.2:53 200.1.1.2:53
tcp 200.1.1.1:1025 192.168.10.101:1025200.1.1.2:80 200.1.1.2:80
tcp 200.1.1.1:1026 192.168.10.101:1026200.1.1.2:80 200.1.1.2:80
tcp 200.1.1.1:1027 192.168.10.101:1027200.1.1.2:80 200.1.1.2:80
tcp 200.1.1.1:1028 192.168.10.101:1028200.1.1.2:80 200.1.1.2:80
tcp 200.1.1.1:443 192.168.100.2:443 --- ---
tcp 200.1.1.1:80 192.168.100.2:80 --- ---
tcp 200.1.1.1:80 192.168.100.2:80 200.1.1.3:1025 200.1.1.3:1025
GW#
GW#show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.0.0/24 is directly connected, FastEthernet0/1
S 192.168.1.0/24 [1/0] via 192.168.0.2
S 192.168.10.0/24 [1/0] via 192.168.0.2
S 192.168.20.0/24 [1/0] via 192.168.0.2
S 192.168.100.0/24 [1/0] via 192.168.0.2
C 200.1.1.0/24 is directly connected, FastEthernet0/0
GW#
By: dangocuong@gmail.com
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