实验二十八、多层交换机静态路由实验

一、 实验目的

1、理解三层交换机进行路由的原理和具体实现拓扑；

2、理解三层交换机静态路由的配置方法；

二、 应用环境

当两台三层交换机级联时，为了保证每台交换机上所连接的网段可以和另一台交换机上

连接的网段互相通信，最简单的方法就是设置静态路由。

三、 实验设备

1、DCRS-7604（或 6804）交换机 1 台

2、DCRS-5526S交换机 1 台

3、PC机 2-4 台

4、Console 线1-2 根

5、直通网线 2-4 根

四、 实验拓扑

多层交换机静态路由_第1张图片

五、 实验要求

1、在交换机A 和交换机B 上分别划分基于端口的VLAN：

交换机 VLAN 端口成员

交换机A 10 1~8

20 9~16

100 24

交换机B 30 1~8

40 9~16 101 24

2、交换机A 和B 通过的24 口级联。

3、配置交换机A 和B 各VLAN 虚拟接口的IP 地址分别如下表所示：

VLAN10 VLAN20 VLAN30 VLAN40 VLAN100 VLAN101

192.168.10.1 192.168.20.1 192.168.30.1 192.168.40.1 192.168.100.1 192.168.100.2

4、PC1-PC4 的网络设置为：

设备 IP 地址 gateway Mask

PC1 192.168.10.101 192.168.10.1 255.255.255.0

PC2 192.168.20.101 192.168.20.1 255.255.255.0

PC3 192.168.30.101 192.168.30.1 255.255.255.0

PC4 192.168.40.101 192.168.40.1 255.255.255.0

5、验证：

Set the port Ethernet1/11 access vlan 20 successfully

Set the port Ethernet1/12 access vlan 20 successfully

Set the port Ethernet1/13 access vlan 20 successfully

Set the port Ethernet1/14 access vlan 20 successfully

Set the port Ethernet1/15 access vlan 20 successfully

Set the port Ethernet1/16 access vlan 20 successfully

DCRS-7604(Config-Vlan20)#exit

DCRS-7604(Config)#vlan 100

DCRS-7604(Config-Vlan100)#switchport interface ethernet 1/24

Set the port Ethernet1/24 access vlan 100 successfully

DCRS-7604(Config-Vlan100)#exit

DCRS-7604(Config)#

验证配置：

DCRS-7604#show vlan

VLAN Name Type Media Ports

---------------------------------------------------------------------------

1 default Static ENET Ethernet1/17 Ethernet1/18

Ethernet1/19 Ethernet1/20

Ethernet1/21 Ethernet1/22

Ethernet1/23 Ethernet1/25

Ethernet1/26 Ethernet1/27

Ethernet1/28

10 VLAN0010 Static ENET Ethernet1/1 Ethernet1/2

Ethernet1/3 Ethernet1/4

Ethernet1/5 Ethernet1/6

Ethernet1/7 Ethernet1/8

20 VLAN0020 Static ENET Ethernet1/9 Ethernet1/10

Ethernet1/11 Ethernet1/12

Ethernet1/13 Ethernet1/14

Ethernet1/15 Ethernet1/16

100 VLAN0100 Static ENET Ethernet1/24

DCRS-7604#

交换机B：

DCRS-5526S(Config)#vlan 30

DCRS-5526S(Config-Vlan30)#switchport interface ethernet 0/0/1-8

Set the port Ethernet0/0/1 access vlan 30 successfully

Set the port Ethernet0/0/2 access vlan 30 successfully

Set the port Ethernet0/0/3 access vlan 30 successfully

Set the port Ethernet0/0/4 access vlan 30 successfully

Set the port Ethernet0/0/5 access vlan 30 successfully

Set the port Ethernet0/0/6 access vlan 30 successfully

Set the port Ethernet0/0/7 access vlan 30 successfully

Set the port Ethernet0/0/8 access vlan 30 successfully DCRS-5526S(Config-Vlan30)#exit

DCRS-5526S(Config)#vlan 40

DCRS-5526S(Config-Vlan40)#switchport interface ethernet 0/0/9-16

Set the port Ethernet0/0/9 access vlan 40 successfully

Set the port Ethernet0/0/10 access vlan 40 successfully

Set the port Ethernet0/0/11 access vlan 40 successfully

Set the port Ethernet0/0/12 access vlan 40 successfully

Set the port Ethernet0/0/13 access vlan 40 successfully

Set the port Ethernet0/0/14 access vlan 40 successfully

Set the port Ethernet0/0/15 access vlan 40 successfully

Set the port Ethernet0/0/16 access vlan 40 successfully

DCRS-5526S(Config-Vlan40)#exit

DCRS-5526S(Config)#vlan 101

DCRS-5526S(Config-Vlan101)#switchport interface ethernet 0/0/24

Set the port Ethernet0/0/24 access vlan 101 successfully

DCRS-5526S(Config-Vlan101)#exit

DCRS-5526S(Config)#

验证配置：

DCRS-5526S#show vlan

VLAN Name Type Media Ports

----------------------------------- ---------------------------------------

1 default Static ENET Ethernet0/0/17 Ethernet0/0/18

Ethernet0/0/19 Ethernet0/0/20

Ethernet0/0/21 Ethernet0/0/22

Ethernet0/0/23

30 VLAN0030 Static ENET Ethernet0/0/1 Ethernet0/0/2

Ethernet0/0/3 Ethernet0/0/4

Ethernet0/0/5 Ethernet0/0/6

Ethernet0/0/7 Ethernet0/0/8

40 VLAN0040 Static ENET Ethernet0/0/9 Ethernet0/0/10

Ethernet0/0/11 Ethernet0/0/12

Ethernet0/0/13 Ethernet0/0/14

Ethernet0/0/15 Ethernet0/0/16

101 VLAN0101 Static ENET Ethernet0/0/24

DCRS-5526S#

第二步：配置交换机各vlan虚接口的IP地址

交换机A：

DCRS-7604(Config)#int vlan 10

DCRS-7604(Config-If-Vlan10)#ip address 192.168.10.1 255.255.255.0

DCRS-7604(Config-If-Vlan10)#no shut

DCRS-7604(Config-If-Vlan10)#exit

DCRS-7604(Config)#int vlan 20

DCRS-7604(Config-If-Vlan20)#ip address 192.168.20.1 255.255.255.0 DCRS-7604(Config-If-Vlan20)#no shut

DCRS-7604(Config-If-Vlan20)#exit

DCRS-7604(Config)#int vlan 100

DCRS-7604(Config-If-Vlan100)#ip address 192.168.100.1 255.255.255.0

DCRS-7604(Config-If-Vlan100)#no shut

DCRS-7604(Config-If-Vlan100)#

DCRS-7604(Config-If-Vlan100)#exit

DCRS-7604(Config)#

交换机B：

DCRS-5526S(Config)#int vlan 30

DCRS-5526S(Config-If-Vlan30)#ip address 192.168.30.1 255.255.255.0

DCRS-5526S(Config-If-Vlan30)#no shut

DCRS-5526S(Config-If-Vlan30)#exit

DCRS-5526S(Config)#interface vlan 40

DCRS-5526S(Config-If-Vlan40)#ip address 192.168.40.1 255.255.255.0

DCRS-5526S(Config-If-Vlan40)#exit

DCRS-5526S(Config)#int vlan 101

DCRS-5526S(Config-If-Vlan101)#ip address 192.168.100.2 255.255.255.0

DCRS-5526S(Config-If-Vlan101)#exit

DCRS-5526S(Config)#

第三步：配置各PC的IP地址，注意配置网关

设备 IP 地址 gateway Mask

PC1 192.168.10.101 192.168.10.1 255.255.255.0

PC2 192.168.20.101 192.168.20.1 255.255.255.0

PC3 192.168.30.101 192.168.30.1 255.255.255.0

PC4 192.168.40.101 192.168.40.1 255.255.255.0

第四步：验证PC之间是否连通？

PC 端口 PC 端口 结果 原因

PC1 A：1/1 PC2 A：1/9 通

PC1 A：1/1 Vlan 100 A：1/24 通

PC1 A：1/1 Vlan 101 B：0/0/24 不通

PC1 A：1/1 PC3 B：0/0/1 不通

查看路由表，进一步分析上一步的现象原因。

交换机A：

DCRS-7604#show ip route

Total route items is 3, the matched route items is 3

Codes: C - connected, S - static, R - RIP derived, O - OSPF derived

A - OSPF ASE, B - BGP derived, D - DVMRP derived

Destination Mask Nexthop Interface Preference C 192.168.10.0 255.255.255.0 0.0.0.0 Vlan10 0

C 192.168.20.0 255.255.255.0 0.0.0.0 Vlan20 0

C 192.168.100.0 255.255.255.0 0.0.0.0 Vlan100 0

DCRS-7604#

（C代表直连的网段）

交换机B：

DCRS-5526S#show ip route

Total route items is 3, the matched route items is 3

Codes: C - connected, S - static, R - RIP derived, O - OSPF derived

A - OSPF ASE, B - BGP derived, D - DVMRP derived

Destination Mask Nexthop Interface Preference

C 192.168.30.0 255.255.255.0 0.0.0.0 Vlan30 0

C 192.168.40.0 255.255.255.0 0.0.0.0 Vlan40 0

C 192.168.100.0 255.255.255.0 0.0.0.0 Vlan101 0

DCRS-5526S#

第五步：配置静态路由

交换机A：

DCRS-7604(Config)#ip route 192.168.30.0 255.255.255.0 192.168.100.2

DCRS-7604(Config)#ip route 192.168.40.0 255.255.255.0 192.168.100.2

验证配置：

DCRS-7604#show ip route

Total route items is 5, the matched route items is 5

Codes: C - connected, S - static, R - RIP derived, O - OSPF derived

A - OSPF ASE, B - BGP derived, D - DVMRP derived

Destination Mask Nexthop Interface Preference

C 192.168.10.0 255.255.255.0 0.0.0.0 Vlan10 0

C 192.168.20.0 255.255.255.0 0.0.0.0 Vlan20 0

S 192.168.30.0 255.255.255.0 192.168.100.2 Vlan100 1

S 192.168.40.0 255.255.255.0 192.168.100.2 Vlan100 1

C 192.168.100.0 255.255.255.0 0.0.0.0 Vlan100 0

DCRS-7604#

（S代表静态配置的网段）

交换机B：

DCRS-5526S(Config)#ip route 192.168.10.0 255.255.255.0 192.168.100.1

DCRS-5526S(Config)#ip route 192.168.20.0 255.255.255.0 192.168.100.1

验证配置：

DCRS-5526S#show ip route

Total route items is 5, the matched route items is 5

Codes: C - connected, S - static, R - RIP derived, O - OSPF derived

A - OSPF ASE, B - BGP derived, D - DVMRP derived

Destination Mask Nexthop Interface Preference S 192.168.10.0 255.255.255.0 192.168.100.1 Vlan101 1

S 192.168.20.0 255.255.255.0 192.168.100.1 Vlan101 1

C 192.168.30.0 255.255.255.0 0.0.0.0 Vlan30 0

C 192.168.40.0 255.255.255.0 0.0.0.0 Vlan40 0

C 192.168.100.0 255.255.255.0 0.0.0.0 Vlan101 0

DCRS-5526S#

第六步：验证PC之间是否连通？

PC 端口 PC 端口 结果 原因

PC1 A：1/1 PC2 A：1/9 通

PC1 A：1/1 Vlan 100 A：1/24 通

PC1 A：1/1 Vlan 101 B：0/0/24 通

PC1 A：1/1 PC3 B：0/0/1 通