企业网三层构架实验

实验题目如下：

实验拓扑如下：

实验要求如下：

【1】内网IP地址172.16.0.0/16 合理分配

【2】SW1/2之间互为备份

【3】VRBP/STP/VLAN/TRUNK均使用

【4】所有PC通过DHCP获取IP地址

实验思路如下：

（1）合理的IP配置

（2）创建eth-trunk

（3）设置trunk干道

（4）创建VLAN和划分VLAN

（5）生成树

（6）开启SVI

（7）运行VRRP

（8）路由配置

实验步骤如下：

1、IP配置

指令如下：

R1：

[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip ad 172.16.0.2 30
[r2-GigabitEthernet0/0/0]int g0/0/2
[r2-GigabitEthernet0/0/2]ip ad 172.16.0.6 30
[r2-GigabitEthernet0/0/2]int g0/0/1
[r2-GigabitEthernet0/0/1]ip ad 12.1.1.1 24

R2：

[r1]int lo0
[r1-LoopBack0]ip ad 1.1.1.1 24
[r1-LoopBack0]int g0/0/0
[r1-GigabitEthernet0/0/0]ip ad 12.1.1.2 24

2、创建eth-trunk

指令如下：

SW1：

[sw1]int Eth-Trunk 0
[sw1-Eth-Trunk0]q
[sw1]int g0/0/23
[sw1-GigabitEthernet0/0/23]eth-trunk 0
[sw1-GigabitEthernet0/0/23]int g0/0/24
[sw1-GigabitEthernet0/0/24]eth-trunk 0

SW2：

[sw2]int Eth-Trunk 0
[sw2-Eth-Trunk0]q
[sw2]int g0/0/23
[sw2-GigabitEthernet0/0/23]eth-trunk 0
[sw2-GigabitEthernet0/0/23]int g0/0/24
[sw2-GigabitEthernet0/0/24]eth-trunk 0

3、设置trunk干道

指令如下：

SW1：

[sw1]port-group group-member GigabitEthernet 0/0/2 to GigabitEthernet 0/0/3 Eth-Trunk 0 
[sw1-port-group]port link-type trunk 
[sw1-port-group]port trunk allow-pass vlan  

SW2:

[sw2]port-group group-member GigabitEthernet 0/0/2 to GigabitEthernet 0/0/3 Eth-Trunk 0
[sw2-port-group]port link-type trunk
[sw2-port-group]port trunk allow-pass vlan  2

SW3:

[sw3]port-group group-member GigabitEthernet 0/0/1 to GigabitEthernet 0/0/2
[sw3-port-group]port link-type trunk
[sw3-port-group]port trunk allow-pass vlan 2

SW4：

[sw4]port-group group-member GigabitEthernet 0/0/1 to GigabitEthernet 0/0/2
[sw4-port-group]port link-type trunk
[sw4-port-group]port trunk allow-pass vlan 2

4、创建VLAN和划分VLAN

指令如下：

SW1:

[sw1]vlan 2

SW2:

[sw2]vlan 2

SW3:

[sw3]vlan 2

[sw3]int Eth0/0/2
[sw3-Ethernet0/0/2]port link-type access
[sw3-Ethernet0/0/2]port default vlan 2

SW4:

[sw4]vlan 2

[sw4]int e0/0/2
[sw4-Ethernet0/0/2]port link-type access
[sw4-Ethernet0/0/2]port default vlan 2

5、生成树

指令如下：

SW1:

[sw1]stp mode mstp
[sw1]stp enable
[sw1]stp region-configuration
[sw1-mst-region]region-name a 
[sw1-mst-region]instance 1 vlan 1 
[sw1-mst-region]instance 2 vlan 2
[sw1-mst-region]active region-configuration

[sw1]stp instance 1 root primary
[sw1]stp instance 2 root secondary

SW2:

[sw2]stp mode mstp
[sw2]stp enable
[sw2]stp region-configuration
[sw2-mst-region]region-name a 
[sw2-mst-region]instance 1 vlan 1 
[sw2-mst-region]instance 2 vlan 2
[sw2-mst-region]active region-configuration

[sw2]stp instance 2 root primary
[sw2]stp instance 1 root secondary

SW3:

[sw3]stp mode mstp
[sw3]stp enable
[sw3]stp region-configuration
[sw3-mst-region]region-name a 
[sw3-mst-region]instance 1 vlan 1 
[sw3-mst-region]instance 2 vlan 2
[sw3-mst-region]active region-configuration

[sw3]port-group group-member Ethernet 0/0/1 to Ethernet 0/0/2
[sw3-port-group]stp edged-port enable

SW4:

[sw4]stp mode mstp
[sw4]stp enable
[sw4]stp region-configuration
[sw4-mst-region]region-name a 
[sw4-mst-region]instance 1 vlan 1 
[sw4-mst-region]instance 2 vlan 2
[sw4-mst-region]active region-configuration

[sw4]port-group group-member Ethernet 0/0/1 to Ethernet 0/0/2
[sw4-port-group]stp edged-port enable

6、开启SVI

指令如下：

SW1：

[sw1]interface vlan 1
[sw1-Vlanif1]ip ad 172.16.1.1 25
[sw1]interface vlan 2
[sw1-Vlanif2]ip ad 172.16.1.129 25

SW2：

[sw2]interface vlan 1
[sw2-Vlanif1]ip ad 172.16.1.2 25
[sw2]interface vlan 2
[sw2-Vlanif2]ip ad 172.16.1.130 25

7、VRRP

指令如下：

SW1：

[sw1]interface vlan 1
[sw1-Vlanif1]vrrp vrid 1 virtual-ip 172.16.1.126 
[sw1-Vlanif1]vrrp vrid 1 priority 120
[sw1-Vlanif1]vrrp vrid 1 track interface GigabitEthernet 0/0/1 reduced 30
[sw1]interface vlan 2
[sw1-Vlanif2]vrrp vrid 1 virtual-ip 172.16.1.254

SW2：

[sw2]interface vlan 1
[sw2-Vlanif1]vrrp vrid 1 virtual-ip 172.16.1.126
[sw2]interface vlan 2
[sw2-Vlanif2]vrrp vrid 1 vir
[sw2-Vlanif2]vrrp vrid 1 virtual-ip 172.16.1.254
[sw2-Vlanif2]vrrp vrid 1 priority 120
[sw2-Vlanif2]vrrp vrid 1 track interface GigabitEthernet 0/0/1 reduced 30

8、DHCP

指令如下：

准备如下：

SW1:

[sw1]vlan 100
[sw1]int g0/0/1
[sw1-GigabitEthernet0/0/1]port link-type access 
[sw1-GigabitEthernet0/0/1]p d vlan 100 
[sw1-GigabitEthernet0/0/1]int vlan 100
[sw1-Vlanif100]ip ad 172.16.0.1 30

SW2:

[sw2]vlan 100
[sw2-vlan100]int vlan 100
[sw2-Vlanif100]ip ad 172.16.0.5 30
[sw2-Vlanif100]int g0/0/1
[sw2-GigabitEthernet0/0/1]port link-type access 
[sw2-GigabitEthernet0/0/1]p d vlan 100

配置OSPF：

指令如下：

R2:

[r2]ospf 1 router-id 1.1.1.1
[r2-ospf-1]area 0
[r2-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.0.255

SW1:

[sw1]ospf 1 router-id 1.1.1.2
[sw1-ospf-1]area 0
[sw1-ospf-1-area-0.0.0.0]network 172.16.0.1 0.0.0.0
[sw1-ospf-1-area-0.0.0.0]q
[sw1-ospf-1]area 1
[sw1-ospf-1-area-0.0.0.1]network 172.16.1.1 0.0.0.0
[sw1-ospf-1-area-0.0.0.1]network 172.16.1.129 0.0.0.0

SW2:

[sw2]ospf 1 router-id 2.2.2.2
[sw2-ospf-1]area 0
[sw2-ospf-1-area-0.0.0.0]network 172.16.0.5 0.0.0.0
[sw2-ospf-1-area-0.0.0.0]q
[sw2-ospf-1]area 1
[sw2-ospf-1-area-0.0.0.1]network 172.16.1.2 0.0.0.0
[sw2-ospf-1-area-0.0.0.1]network 172.16.1.130 0.0.0.0

9、缺省路由

指令如下：

R2：

[r2]ip route-static 0.0.0.0 0.0.0.0 12.1.1.2
[r2]ospf 1
[r2-ospf-1]default-route-advertis

配置nat

指令如下：

R2：

[r2]acl 2000
[r2-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r2-acl-basic-2000]int g0/0/1
[r2-GigabitEthernet0/0/1]nat outbound 2000

10、测试如下：

生成树：

 SVI：

 VRRP：

 SW1：

SW2：

 PC1：

PC2： 

 PC3：

 PC4：