packet tracer 5.0
图9 实例拓扑图
图
10
图
11
图
12
图13 保存对交换机的配置
练习题:
实验三、配置VLAN
Vlan(Virtual Local Area Network)即虚拟局域网。VLAN可以把同一个物理网络划分为多个逻辑网段,因此,Vlan可以抑制网络风暴,增强网络的安全性。packet tracer 5.0
一、实例拓扑图
图一 交换机Cisco 2960
二、创建VLAN
在Cisco IOS中有两种方式创建vlan,在全局配置模式下使用vlan id命令,如switch(config)#vlan 6;在vlan database下创建vlan,如switch(vlan)vlan 20 例:
Switch>en
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#hostname CoreSW
CoreSW(config)#vlan 10
CoreSW(config-vlan)#name Math
CoreSW(config-vlan)#exit
CoreSW(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
CoreSW#vlan database
% Warning: It is recommended to configure VLAN from config mode, as VLAN database mode is being deprecated. Please consult user documentation for configuring VTP/VLAN in config mode.
CoreSW(vlan)#vlan 20 name Chinese
VLAN 20 added:
Name: Chinese
CoreSW(vlan)#vlan 30 name Other
VLAN 30 added:
Name: Other
CoreSW(vlan)#exit
APPLY completed.
Exiting....
CoreSW#
三、把端口划分给vlan(基于端口的vlan)
switch(config)#intece fastethernet0/1 进入端口配置模式
switch(config-if)#switchport mode access 配置端口为access模式(dynamic或trunk模式)
switch(config-if)#switchport access vlan 10 把端口划分到vlan 10 CoreSW>en
CoreSW#conf t
Enter configuration commands, one per line. End with CNTL/Z. CoreSW(config)#int f0/1
CoreSW(config-if)#switchport mode access
CoreSW(config-if)#switchport access vlan 10
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