使用packet tracer为交换机配置VLAN实验

Posted 2021-03-07 thegarden

利用packet tracer为交换机配置vlan:

技术原理：

vlan

Tag Vlan ：是基于交换机端口的另外一种类型，主要用于跨交换机的相同VLAN内主机之间的直接访问，同时对于不同VLAN中的主机进行隔离。

实验步骤：

• 新建packet tracer 拓扑图
• 划分VLAN
• 将端口划分到对应的vlan中
• 设置Tag Vlan Trunk属性
• 进行测试

实验操作：

两台2960交换机，四台pc机，使用直连线进行连接；分别用两台交换机上的Pc机连接到交换机上相应端口，两台交换机使用24号端口相连；设置pc机的ip地址如图：

然后对switch0进行设置：

Switch>en
Switch#conf t   #进入全局配置视图
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#vlan 2   #划分两个VLAN 2,3
Switch(config-vlan)#exit
Switch(config)#vlan 3
Switch(config-vlan)#exit
Switch(config)#interface fa 0/1  #进入一号端口，一号端口连接的是pc0
Switch(config-if)#switchport access vlan 2      #将一号端口设置到vlan2
Switch(config-if)#exit
Switch(config)#int fa 0/2
Switch(config-if)#switchport access vlan 3      #二号端口设置到vlan3
Switch(config-if)#exit
Switch(config)#int fa 0/24
Switch(config-if)#sw                    #按下tab可以自动提示单词到下一行
Switch(config-if)#switchport mode trun
Switch(config-if)#switchport mode trunk #设置trunk

Switch(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/24, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/24, changed state to up

Switch(config-if)#end
Switch#
%SYS-5-CONFIG_I: Configured from console by console

Switch#show vlan    #展示vlan配置

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    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, Gig1/1, Gig1/2
2    VLAN0002                         active    Fa0/1
3    VLAN0003                         active    Fa0/2
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
2    enet  100002     1500  -      -      -        -    -        0      0
3    enet  100003     1500  -      -      -        -    -        0      0
1002 fddi  101002     1500  -      -      -        -    -        0      0   
 --More--

按照同样的方式设置switch2

设置完成之后192.168.1.2和192.168.1.4是一个vlan下面的，另两个是在同一个VLAN下

最后对PC0进行命令行测试：

PC>ipconfig   #查看当前ip

FastEthernet0 Connection:(default port)
Link-local IPv6 Address.........: FE80::204:9AFF:FE6E:D97C
IP Address......................: 192.168.1.2
Subnet Mask.....................: 255.255.255.0
Default Gateway.................: 192.168.1.1

PC>ping 192.168.1.3 #虽然在同一个交换机下，但不在同一个网段内，所以不能通信；

Pinging 192.168.1.3 with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 192.168.1.3:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

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=1ms TTL=128
Reply from 192.168.1.4: bytes=32 time=0ms TTL=128
Reply from 192.168.1.4: bytes=32 time=1ms TTL=128
Reply from 192.168.1.4: bytes=32 time=8ms 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 = 0ms, Maximum = 8ms, Average = 2ms

PC>