多層交換機靜態路由

實驗二十8、多層交換機靜態路由實驗

1、 實驗目的

一、理解三層交換機進行路由的原理和具體實現拓撲；

二、理解三層交換機靜態路由的配置方法；

2、 應用環境

當兩臺三層交換機級聯時，爲了保證每臺交換機上所鏈接的網段能夠和另外一臺交換機上

鏈接的網段互相通訊，最簡單的方法就是設置靜態路由。

3、 實驗設備

一、DCRS-7604（或 6804）交換機 1 臺

二、DCRS-5526S交換機 1 臺

三、PC機 2-4 臺

四、Console 線1-2 根

五、直通網線 2-4 根

4、 實驗拓撲

5、 實驗要求

一、在交換機A 和交換機B 上分別劃分基於端口的VLAN：

交換機 VLAN 端口成員

交換機A 10 1~8

20 9~16

100 24

交換機B 30 1~8

40 9~16 101 24

二、交換機A 和B 經過的24 口級聯。

三、配置交換機A 和B 各VLAN 虛擬接口的IP 地址分別以下表所示：

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

四、PC1-PC4 的網絡設置爲：

設備 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

五、驗證：

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)#

驗證配置：

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#

交換機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)#

驗證配置：

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：配置交換機各vlan虛接口的IP地址

交換機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)#

交換機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，注意配置網關

設備 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：驗證PC之間是否連通？

PC 端口 PC 端口 結果 緣由

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，進一步分析上一步的現象緣由。

交換機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表明直連的網段）

交換機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：配置靜態路由

交換機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

驗證配置：

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表明靜態配置的網段）

交換機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

驗證配置：

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：驗證PC之間是否連通？

PC 端口 PC 端口 結果 緣由

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