太原理工大学计算机网络实验报告

2026/1/27 7:13:28

实验4 VLAN 主干道配置

一、实验目的:掌握交换机上创建交换机间的主干道,实现对多VLAN 的

运输

二、实验环境:Cisco Packet Tracer软件 三、网络拓扑:

四、配置文件:

(1)交换机switch0:

Switch#show run

Building configuration...

Current configuration : 1161 bytes version 12.1

no service timestamps log datetime msec no service timestamps debug datetime msec

no service password-encryption hostname Switch

interface FastEthernet0/1

switchport trunk allowed vlan 1-3 switchport mode trunk switchport access vlan 3 interface FastEthernet0/8 interface FastEthernet0/9 interface FastEthernet0/10 interface FastEthernet0/11

interface FastEthernet0/2 switchport access vlan 2 interface FastEthernet0/3 switchport access vlan 2 interface FastEthernet0/4 switchport access vlan 2 interface FastEthernet0/5 switchport access vlan 3 interface FastEthernet0/6 switchport access vlan 3 interface FastEthernet0/7 interface FastEthernet0/12 interface FastEthernet0/13 interface FastEthernet0/14 interface FastEthernet0/15 interface FastEthernet0/16

interface FastEthernet0/17 interface FastEthernet0/18 interface FastEthernet0/19 interface FastEthernet0/20 interface FastEthernet0/21 interface FastEthernet0/22 interface FastEthernet0/23 interface FastEthernet0/24 interface Vlan1

(2)交换机switch1:

Switch#show run

Building configuration...

Current configuration : 1161 bytes version 12.1

no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption hostname Switch

interface FastEthernet0/1

switchport trunk allowed vlan 1-3 switchport mode trunk interface FastEthernet0/2 switchport access vlan 2 interface FastEthernet0/3 switchport access vlan 2 interface FastEthernet0/4 switchport access vlan 2 interface FastEthernet0/5 switchport access vlan 3 interface FastEthernet0/6 switchport access vlan 3 interface FastEthernet0/7 switchport access vlan 3 interface FastEthernet0/8

五、工作站PC间的连通性

(1)配置主干道前:

从PC0到PC1(连通,相同网段,同一

no ip address shutdown line con 0 line vty 0 4 login

line vty 5 15 login end

interface FastEthernet0/9 interface FastEthernet0/10 interface FastEthernet0/11 interface FastEthernet0/12 interface FastEthernet0/13 interface FastEthernet0/14 interface FastEthernet0/15 interface FastEthernet0/16 interface FastEthernet0/17 interface FastEthernet0/18 interface FastEthernet0/19 interface FastEthernet0/20 interface FastEthernet0/21 interface FastEthernet0/22 interface FastEthernet0/23 interface FastEthernet0/24 interface Vlan1 no ip address shutdown line con 0 line vty 0 4 login

line vty 5 15 login end

VLAN)

从PC0到PC2(不通,网段相同,但处于不同VLAN)

从PC0 到PC3(不通,不同网段,不同VLAN)

从PC0到PC4(不通,相同网段,相同VLAN,但分处不同交换机,需配置主干道)

从 PC2 到PC3(不通,不同网段,同一VLAN)

从PC2 到 PC5(不通,不同网段,同一VLAN,分处不同交换机)

从 PC3 到 PC5(不通,相同网段,同一VLAN,但分处不同交换机,需配置主干道)

(2)配置主干道后:

从PC0到PC1(连通,相同网段,同一VLAN)

从PC0到PC2(不通,相同网段,不同VLAN)

从PC0 到PC3(不通,不同网段,不同VLAN)

从PC0到PC4(连通,相同网段,同一VLAN,分处不同交换机,但配置了主干道)


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