Vlan小实验

2008-05-08 14:38:17

　标签：实验 Vlan 小　　　[推送到技术圈]

一、场景设置

二、具体实现

首先，将所有的PC配置在192.168.10.0/24这个网络，并测试连通性：

PC1----192.168.10.2

PC2----192.168.10.3

PC3----192.168.10.4

PC4----192.168.10.5

PC1àPC2

C:>ping 192.168.10.3

Pinging 192.168.10.3 with 32 bytes of data:

Reply from 192.168.10.3: bytes=32 time=60ms TTL=241

Ping statistics for 192.168.10.3: Packets: Sent = 5, Received = 5, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 50ms, Maximum = 60ms, Average = 55ms

PC1àPC3

C:>ping 192.168.10.4

Pinging 192.168.10.4 with 32 bytes of data:

Reply from 192.168.10.4: bytes=32 time=60ms TTL=241

Ping statistics for 192.168.10.4: Packets: Sent = 5, Received = 5, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 50ms, Maximum = 60ms, Average = 55ms

PC1àPC4

C:>ping 192.168.10.5

Pinging 192.168.10.5 with 32 bytes of data:

Reply from 192.168.10.5: bytes=32 time=60ms TTL=241

Ping statistics for 192.168.10.5: Packets: Sent = 5, Received = 5, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 50ms, Maximum = 60ms, Average = 55ms

由此可见，网络连接正常。

然后，在交换机上配置Vlan：

Switch>enable

Switch#vlan database

Switch(vlan)#vlan 2 name Vlan2

VLAN 2 added:

Name:Vlan2

Switch(vlan)#vlan 3 name Vlan3

VLAN 3 added:

Name:Vlan3

Switch(vlan)#exit

APPLY completed.

Exiting....

接下来，将PC1和PC2加入到Vlan2、PC3和PC4加入到Vlan3：

Switch#configure terminal

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

Switch(config)#hostname Switch1

Switch1(config)#interface FastEthernet0/1

Switch1(config-if)#switchport mode access

Switch1(config-if)#switchport access vlan 2

Switch1(config-if)#exit

Switch1(config)#interface FastEthernet0/2

Switch1(config-if)#switchport mode access

Switch1(config-if)#switchport access vlan 2

Switch1(config-if)#exit

Switch1(config)#interface FastEthernet0/3

Switch1(config-if)#switchport mode access

Switch1(config-if)#switchport access vlan 3

Switch1(config-if)#exit

Switch1(config)#interface FastEthernet0/4

Switch1(config-if)#switchport mode access

Switch1(config-if)#switchport access vlan 3

Switch1(config-if)#exit

验证：

PC1àPC2

C:>ping 192.168.10.3

Pinging 192.168.10.3 with 32 bytes of data:

Reply from 192.168.10.3: bytes=32 time=60ms TTL=241

Ping statistics for 192.168.10.3: Packets: Sent = 5, Received = 5, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 50ms, Maximum = 60ms, Average = 55ms

PC1àPC3

C:>ping 192.168.10.4

Pinging 192.168.10.4 with 32 bytes of data:

Request timed out.

Ping statistics for 192.168.10.4:

Packets: Sent = 5, Received = 0, Lost = 5 (100% loss),

Approximate round trip times in milli-seconds:

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

PC1àPC4

C:>ping 192.168.10.5

Pinging 192.168.10.5 with 32 bytes of data:

Request timed out.

Ping statistics for 192.168.10.5:

Packets: Sent = 5, Received = 0, Lost = 5 (100% loss),

Approximate round trip times in milli-seconds:

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

由此可见，PC1可以ping通PC2,不能ping通PC3和PC4。因为PC1和PC2属于同一个vlan,PC1和PC3、PC4之间属于两个不同的vlan。

本文出自 “Uione” 博客，请务必保留此出处http://weiqijun.blog.51cto.com/338163/75871

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