VLAN间路由的配置

本实验需要2621路由器一台，2900交换机一台，PC机两台，console线一条





Step 1 配置交换机

参考上面的实验

Step 2 配置连接到交换机上的主机

a. 连接到port 0/5上的PC:

IP address 192.168.5.2

Subnet mask 255.255.255.0

Default gateway 192.168.5.1

b. 连接到port 0/9上的PC:

IP address 192.168.7.2

Subnet mask 255.255.255.0

Default gateway 192.168.7.1

Step 3 测试连通性

Step 4 创建，命名两个VLANs

2900：

Switch_A#vlan database

Switch_A(vlan)#vlan 10 name Sales

Switch_A(vlan)#vlan 20 name Support

Switch_A(vlan)#exit

1900:

Switch_A#config terminal

Switch_A(config)#vlan 10 name Sales

Switch_A(config)#vlan 20 name Support

Switch_A(config)#exit

Step 5 安排端口5，6，7，8到VLAN 10

2900：

Switch_A#configure terminal

Switch_A(config)#interface fastethernet 0/5

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 10

Switch_A(config-if)#interface fastethernet 0/6

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 10

Switch_A(config-if)#interface fastethernet 0/7

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 10

Switch_A(config-if)#interface fastethernet 0/8

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 10

Switch_A(config-if)#end

1900:

Switch_A#configure terminal

Switch_A(config)#interface ethernet 0/5

Switch_A(config-if)vlan static 10

Switch_A(config-if)#interface ethernet 0/6

Switch_A(config-if)vlan static 10

Switch_A(config-if)#interface ethernet 0/7

Switch_A(config-if)vlan static 10

Switch_A(config-if)#interface ethernet 0/8

Switch_A(config-if)vlan static 10

Switch_A(config-if)#end

Step 6 安排端口910，11，12到VLAN 20

2900：

Switch_A#configure terminal

Switch_A(config)#interface fastethernet 0/9

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 20

Switch_A(config-if)#interface fastethernet 0/10

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 20

Switch_A(config-if)#interface fastethernet 0/11

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 20

Switch_A(config-if)#interface fastethernet0/12

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 20

Switch_A(config-if)#end

1900:

Switch_A#configure terminal

Switch_A(config)#interface ethernet 0/9

Switch_A(config-if)vlan static 20

Switch_A(config-if)#interface ethernet 0/10

Switch_A(config-if)vlan static 20

Switch_A(config-if)#interface ethernet 0/11

Switch_A(config-if)vlan static 20

Switch_A(config-if)#interface ethernet 0/12

Switch_A(config-if)vlan static 20

Switch_A(config-if)#end

Step 7 显示VLAN接口信息

Switch_A#show vlan

Step 8 创建trunk

2900:

Switch_A(config)#interface fastethernet0/1

Switch_A(config-if)#switchport mode trunk

Switch_A(config-if)#switchport trunk encapsulation dot1q

Switch_A(config-if)#end

1900: Note the 1900 switch will only support ISL trunking, not dot1q.

Switch_A#configure terminal

Switch_A(config)#interface fastethernet0/26

Switch_A(config-if)#trunk on

Step 9 配置路由器

a. Configure the router with the following data. Note that in order to

Router_A(config)#interface fastethernet 0/0

Router_A(config-if)#no shutdown

Router_A(config-if)#interface fastethernet 0/0.1

Router_A(config-subif)#encapsulation dot1q 1

Router_A(config-subif)#ip address 192.168.1.1 255.255.255.0

Router_A(config-if)#interface fastethernet 0/0.2

Router_A(config-subif)#encapsulation dot1q 10

Router_A(config-subif)#ip address 192.168.5.1 255.255.255.0

Router_A(config-if)#interface fastethernet 0/0.3

Router_A(config-subif)#encapsulation dot1q 20

Router_A(config-subif)#ip address 192.168.7.1 255.255.255.0

Router_A(config-subif)#end

Step 10 保存路由器的配置文件

Step 11 显示路由器的路由表

Step 12 测试VLANS 和the trunk

Switch>enable

Switch#configure terminal

Switch(config)#hostname Switch_A

Switch_A(config)#enable secret class

Switch_A(config)#line con 0

Switch_A(config-line)#password cisco

Switch_A(config-line)#login

Switch_A(config-line)#line vty 0 15

Switch_A(config-line)#password cisco

Switch_A(config-line)#login

Switch_A(config-line)#exit

Switch_A(config)#interface Vlan1

Switch_A(config-if)#ip address 192.168.1.2 255.255.255.0

Switch_A(config-if)#no shutdown

Switch_A(config-if)#exit

Switch_A(config)#ip default-gateway 192.168.1.1

Switch_A(config)#end

Switch_A#vlan datab

Switch_A#vlan database

Switch_A(vlan)#vlan 10 name Sales

VLAN 10 added:

Name: Sales

Switch_A(vlan)#vlan 20 name Support

VLAN 20 added:

Name: Support

Switch_A(vlan)#exit

APPLY completed.

Exiting....

Switch_A#configure terminal

Switch_A(config)#interface fastethernet0/5

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 10

Switch_A(config-if)#interface fastethernet0/6

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 10

Switch_A(config-if)#interface fastethernet0/7

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 10

Switch_A(config-if)#interface fastethernet0/8

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 10

Switch_A(config-if)#end

Switch_A#configure terminal

Switch_A(config)#interface fastethernet0/9

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 20

Switch_A(config-if)#interface fastethernet0/10

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 20

Switch_A(config-if)#interface fastethernet0/11

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 20

Switch_A(config-if)#interface fastethernet0/12

Switch_A(config-if)#switchport mode access

Switch_A(config-if)#switchport access vlan 20

Switch_A(config-if)#end

Switch_A#show vlan

VLAN Name Status Ports

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

1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4,

Fa0/13, Fa0/14, Fa0/15, Fa0/16,

Fa0/17, Fa0/18, Fa0/19, Fa0/20,

Fa0/21, Fa0/22, Fa0/23, Fa0/24

10 Sales active Fa0/5, Fa0/6, Fa0/7, Fa0/8

20 Support active Fa0/9, Fa0/10, Fa0/11, Fa0/12

1002 fddi-default active

1003 token-ring-default active

1004 fddinet-default active

1005 trnet-default active

VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2

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

1 enet 100001 1500 - - - - - 0 0

10 enet 100010 1500 - - - - - 0 0

20 enet 100020 1500 - - - - - 0 0

1002 fddi 101002 1500 - - - - - 0 0

1003 tr 101003 1500 - - - - - 0 0

1004 fdnet 101004 1500 - - - ieee - 0 0

1005 trnet 101005 1500 - - - ibm - 0 0

Switch_A#configure terminal

Switch_A(config)#interface fastethernet0/1

Switch_A(config-if)#switchport mode trunk

Switch_A(config-if)#end

Router>enable

Router#configure terminal

Router(config)#hostname Router_A

Router_A(config)#enable secret class

Router_A(config)#line con 0

Router_A(config-line)#password cisco

Router_A(config-line)#login

Router_A(config-line)#line vty 0 4

Router_A(config-line)#password cisco

Router_A(config-line)#login

Router_A(config-line)#exit

Router_A(config)#interface fastethernet 0/0

Router_A(config-if)#no shutdown

Router_A(config-if)#interface fastethernet 0/0.1

Router_A(config-subif)#encapsulation dot1q 1

Router_A(config-subif)#ip address 192.168.1.1 255.255.255.0

Router_A(config-subif)#interface fastethernet 0/0.2

Router_A(config-subif)#encapsulation dot1q 10

Router_A(config-subif)#ip address 192.168.5.1 255.255.255.0

Router_A(config-subif)#interface fastethernet 0/0.3

Router_A(config-subif)#encapsulation dot1q 20

Router_A(config-subif)#ip address 192.168.7.1 255.255.255.0

Router_A(config-subif)#end

Router_A#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 192.168.5.0/24 is directly connected, FastEthernet0/0.2

C 192.168.7.0/24 is directly connected, FastEthernet0/0.3

C 192.168.1.0/24 is directly connected, FastEthernet0/0.1

Router_A#

C:\>ping 192.168.5.2

Pinging 192.168.5.2 with 32 bytes of data:

Reply from 192.168.5.2: bytes=32 time<10ms TTL=127

Reply from 192.168.5.2: bytes=32 time<10ms TTL=127

Reply from 192.168.5.2: bytes=32 time<10ms TTL=127

Reply from 192.168.5.2: bytes=32 time<10ms TTL=127

Ping statistics for 192.168.5.2:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 0ms, Average = 0ms

C:\>ping 192.168.1.2

Pinging 192.168.1.2 with 32 bytes of data:

Reply from 192.168.1.2: bytes=32 time<10ms TTL=254

Reply from 192.168.1.2: bytes=32 time=40ms TTL=254

Reply from 192.168.1.2: bytes=32 time=20ms TTL=254

Reply from 192.168.1.2: bytes=32 time<10ms TTL=254

Ping statistics for 192.168.1.2:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 40ms, Average = 15ms
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