三层交换机vlan间通讯、静态路由配置、网络地址转换综合
实验要求:
PC0 |
Ip:192.168.1.1 255.255.255.0 Dg: 192.168.1.254 连SW1 F0/1 |
PC1 |
Ip:192.168.2.1 255.255.255.0 Dg: 192.168.2.254 连SW1 F0/2 |
PC2 |
Ip:192.168.1.2 255.255.255.0 Dg: 192.168.1.254 连SW2 F0/1 |
PC3 |
Ip:192.168.2.2 255.255.255.0 Dg: 192.168.2.254 连SW2 F0/2 |
SW0 |
F0/1连PC0 F0/2连PC1 F0/3连三层交换机 F0/3 |
SW1 |
F0/1连PC2 F0/2连PC3 F0/4连三层交换机 F0/4 |
三层交换机 |
F0/1连R0 的F0/1 F0/1:IP:192.168.3.1 Dg:255.255.255.0 F0/3连SW0 F0/3 F0/4连SW1 F0/4 |
R0 |
F0/1 IP:192.168.3.2 DG:255.255.255.0 F0/1连三层交换机的F0/1 F0/0 IP:192.168.4.1 DG:255.255.255.0 F0/0连R1的F0/0 |
R1 |
F0/0 IP:192.168.4.2 DG:255.255.255.0 F0/0连R0的F0/0 F0/1 IP:192.168.5.254 DG:255.255.255.0 F0/1连服务器 |
服务器 |
连R1的F0/1 Ip:192.168.5.1 Dg:255.255.255.0 网关:192.168.5.254 |
实验步骤:
网络拓扑图如下:
实验步骤:
为各主机配置IP地址如下:
其余配置IP地址图省略
PC0:192.168.1.1 255.255.255.0 192.168.1.254
PC1:192.168.2.1 255.255.255.0 192.168.2.254
PC2:192.168.1.2 255.255.255.0 192.168.1.254
PC3:192.168.2.2.255.255.255.0 192.168.2.254
Server0:192.168.5.1 255.255.255.0 192.168.5.254
Switch0:
Switch>enable
Switch#config terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#vlan 10
Switch(config-vlan)#name test10
Switch(config-vlan)#exit
Switch(config)#vlan 20
Switch(config-vlan)#name test20
Switch(config-vlan)#exit
Switch(config)#interface f0/1
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 10
Switch(config-if)#exit
Switch(config)#interface f0/2
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 20
Switch(config-if)#exit
Switch(config)#interface f0/3
Switch(config-if)#switchport mode trunk
Switch(config-if)#exit
Switch(config)#
Switch1:
Switch#config terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#vlan 10
Switch(config-vlan)#name test10
Switch(config-vlan)#exit
Switch(config)#vlan 20
Switch(config-vlan)#name test20
Switch(config-vlan)#exit
Switch(config)#interface f0/1
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 10
Switch(config-if)#exit
Switch(config)#interface f0/2
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 20
Switch(config-if)#exit
Switch(config)#interface f0/4
Switch(config-if)#switchport mode trunk
Switch(config)#
三层交换机操作:
Switch>enable
Switch#config terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#vlan 10
Switch(config-vlan)#name test10
Switch(config-vlan)#exit
Switch(config)#vlan 20
Switch(config-vlan)#name test20
Switch(config-vlan)#exit
Switch(config)#
Switch(config)#interface f0/3
Switch(config-if)#switchport trunk encapsulation dot1q
Switch(config-if)#switchport mode trunk
Switch(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up
Switch(config-if)#exit
Switch(config)#interface f0/4
Switch(config-if)#switchport trunk encapsulation dot1q
Switch(config-if)#switchport mode trunk
Switch(config-if)#
Switch(config-if)#exit
Switch(config)#interface vlan 10
Switch(config-if)#
Switch(config-if)#ip address 192.168.1.254 255.255.255.0
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#interface vlan 20
Switch(config-if)#
Switch(config-if)#ip address 192.168.2.254 255.255.255.0
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#ip routing 以血的教训告诉你一定要敲!!!vlan 10 内部可以通信:
vlan 20内部可以通信:
vlan间可以通信:
Switch(config)#interface f0/1
Switch(config-if)#no switchport
Switch(config-if)#ip address 192.168.3.1 255.255.255.0
Switch(config-if)#no shutdown
Switch(config)#ip route 0.0.0.0 0.0.0.0 192.168.3.2 三层交换机通过192.168.3.2出到公网4.0网段
Switch(config-if)#exit
Router 0:
Router>enable
Router#config terminal
Router(config)#interface f0/1Router(config-if)#ip address 192.168.3.2 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#exit
Router(config)#interface f0/0
Router(config-if)#ip address 192.168.4.1 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#
Router 1:
Router>enable
Router#config terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#interface f0/0
Router(config-if)#ip address 192.168.4.2 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#interface f0/1
Router(config-if)#ip address 192.168.5.254 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#exit
Router(config)#
到此处全是绿灯下面配置静态地址转换过程:
Router0:
Router(config)#ip nat inside source static 192.168.3.1 192.168.4.3
Router(config)#interface f0/1
Router(config-if)#ip nat inside
Router(config-if)#exit
Router(config)#ip nat outside
Router(config)#interface f0/0
Router(config-if)#ip nat outside
Router(config-if)#exit
Router(config)#ip route 0.0.0.0 0.0.0.0 f0/0
Router(config)#
Router1:
Router>enable
Router#config terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#ip nat inside source static 192.168.5.1 192.168.4.4
Router(config)#interface f0/1
Router(config-if)#ip nat inside
Router(config-if)#exit
Router(config)#interface f0/0
Router(config-if)#ip nat outside
Router(config-if)#exit
Router(config)#ip route 0.0.0.0 0.0.0.0 f0/0
Router(config)#
配置Router0的路由表如下:
Router0:
Router(config)#ip route 192.168.1.0 255.255.255.0 192.168.3.1
Router(config)#ip route 192.168.2.0 255.255.255.0 192.168.3.1
实验结果如下:
以上静态路由下一跳地址,no switchport 问题,主要询问张庆武大佬0.0