实验2 VLAN划分-Cisco交换机

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惠州学院信息科学技术学院汪华斌 虚拟局域网(VLAN)划分实验

1 实验1:虚拟局域网(VLAN)划分

一、实验目的:

1、掌握局域网的划分;

2、掌握Cisco Packet Tracer网络设备模拟器的使用;

3、掌握Cisco2950交换机的基本命令。

二、实验拓扑图:

图 1 实验拓扑图

三、实验器材:

环境:Cisco Packet Tracer网络设备模拟器;

设备:Cisco2950交换机一台,PC机4台,直通线4条。

四、实验内容:

1、根据实验拓扑图建立好实验环境,并设定4台PC主机的IP地址(ip address

)惠州学院信息科学技术学院汪华斌 虚拟局域网(VLAN)划分实验

2 为192.168.1.1(.2;.3;.4),子网掩码(Subnet Mask)均为:255.255.255.0;并

通过其中一台PC机ping其余3台主机,查看ping命令运行结果;

2、通过交换机的基本命令,在Cisco2950交换机上创建两个虚拟局域网(VLAN),

并完成虚拟局域网(VLAN)划分,将PC1与PC2划分在VLAN10,使PC1与

PC2划分在VLAN20,并通过其中一台PC机ping其余3台主机,查看ping命

令运行结果;

五、实验步骤:

1.按照图2 实验拓扑图在Cisco Packet Tracer网络设备模拟器的工作区添加1台

Cisco2950交换机, 4台PC机, 4条直通线,并分别连接好Fa0/1-PC1、Fa0/2-PC2、

Fa0/3-PC3、 Fa0/4-PC4;

2.给4台PC机分配静态(Static)IP地址,分别为192.168.1.1(.2;.3;.4),子

网掩码(Subnet Mask)均为:255.255.255.0;

3.用1台PC机(如主机PC1)做PING测试,测试到其余3台主机的网络连通

情况,结果如下:

(1).使用ipconfig命令查看测试主机的IP地址;

PC>ipconfig

IP Address......................: 192.168.1.1

Subnet Mask.....................: 255.255.255.0

Default Gateway.................: 0.0.0.0

(2).用ping命令测试主机PC1与主机PC4之间的连通性;

PC>ping 192.168.1.4

Pinging 192.168.1.4 with 32 bytes of data:

Reply from 192.168.1.4: bytes=32 time=47ms TTL=128

Reply from 192.168.1.4: bytes=32 time=62ms TTL=128

Reply from 192.168.1.4: bytes=32 time=47ms TTL=128 惠州学院信息科学技术学院汪华斌 虚拟局域网(VLAN)划分实验

3 Reply from 192.168.1.4: bytes=32 time=49ms TTL=128

Ping statistics for 192.168.1.4:

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

Approximate round trip times in milli-seconds:

Minimum = 47ms, Maximum = 62ms, Average = 51ms

(3).用ping命令测试主机PC1与主机PC3之间的连通性;

PC>ping 192.168.1.3

Pinging 192.168.1.3 with 32 bytes of data:

Reply from 192.168.1.3: bytes=32 time=110ms TTL=128

Reply from 192.168.1.3: bytes=32 time=63ms TTL=128

Reply from 192.168.1.3: bytes=32 time=62ms TTL=128

Reply from 192.168.1.3: bytes=32 time=62ms TTL=128

Ping statistics for 192.168.1.3:

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

Approximate round trip times in milli-seconds:

Minimum = 62ms, Maximum = 110ms, Average = 74ms

(4).用ping命令测试主机PC1与主机PC2之间的连通性;

PC>ping 192.168.1.2

Pinging 192.168.1.2 with 32 bytes of data:

Reply from 192.168.1.2: bytes=32 time=125ms TTL=128

Reply from 192.168.1.2: bytes=32 time=63ms TTL=128

Reply from 192.168.1.2: bytes=32 time=49ms TTL=128

Reply from 192.168.1.2: bytes=32 time=62ms TTL=128

Ping statistics for 192.168.1.2:

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

Approximate round trip times in milli-seconds:

Minimum = 49ms, Maximum = 125ms, Average = 74ms

PC>

4. 双击Cisco2950交换机,在弹出的Switch0界面中打开CLI选项卡,输入enable

命令进入交换机的特权模式,查看交换机的虚拟局域网情况:

Switch>enable

Switch# 惠州学院信息科学技术学院汪华斌 虚拟局域网(VLAN)划分实验

4 Switch#show vlan

VLAN Name Status Ports

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

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

Fa0/5, Fa0/6, Fa0/7, Fa0/8

Fa0/9, Fa0/10, Fa0/11, Fa0/12

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

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

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

1002 fddi-default act/unsup

1003 token-ring-default act/unsup

1004 fddinet-default act/unsup

1005 trnet-default act/unsup

VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2

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

1 enet 100001 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

5.根据下面的命令配置交换机,完成实验内容中的要求。配置后查看交换机的虚

拟局域网VLAN划分情况:

Switch#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Switch(config)#hostname myswitch

myswitch(config)#vlan 10

myswitch(config-vlan)#name ForTeacher

myswitch(config-vlan)#exit

myswitch(config)#vlan 20

myswitch(config-vlan)#name ForStudent

myswitch(config-vlan)#exit

myswitch(config)#interface fastEthernet 0/1

myswitch(config-if)#switchport access vlan 10

myswitch(config-if)#exit

myswitch(config)#interface fastEthernet 0/1

myswitch(config-if)#no switchport access vlan 10

myswitch(config-if)#exit

myswitch(config)#interface range fastEthernet 0/1-2

myswitch(config-if-range)#switchport access vlan 10

myswitch(config-if-range)#exit