VLAN划分的详细步骤

2024-12-03 04:49:15
推荐回答(5个)
回答1:

VLAN划分的步骤如下:
1、以思科厂商设备作为示例,可以在vlandatabase下创建,也可以直接在配置模式下创建。下面两种方式都有:
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2、如何给创建的vlan命名?给创建的vlan命名,有两种方式,第一种是在创建的时候,直接把vlan的名称给带上;第二种是创建完vlan之后,再给vlan命名,或者是重命名的。
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3、查看交换机的vlan信息?使用showvlan命令,可以看到vlanID,vlan的名称等信息。
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4、何如删除一个vlan呢,在vlandatabase里面,将需要删除的vlan执行novlan?。删除之后,如何确认是否已经删除成功了。(这里要注意,由于这里是模拟器,在实际环境中,直接在配置模式下就可以进行vlan的建立与删除,不需要进入vlandatabase模式)
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回答2:

VLAN划分的步骤如下:

1、以思科厂商设备作为示例,可以在vlan database下创建,也可以直接在配置模式下创建。下面两种方式都有:

2、如何给创建的vlan命名? 给创建的vlan命名,有两种方式,第一种是在创建的时候,直接把vlan的名称给带上;第二种是创建完vlan之后,再给vlan命名,或者是重命名的。

3、查看交换机的vlan信息?使用show vlan命令,可以看到vlan ID,vlan的名称等信息。

4、何如删除一个vlan呢,在vlan database里面,将需要删除的vlan执行no vlan ?。 删除之后,如何确认是否已经删除成功了。(这里要注意,由于这里是模拟器,在实际环境中,直接在配置模式下就可以进行vlan的建立与删除,不需要进入vlan database模式)

回答3:

华为的命令不懂,但是基本思想都应该是一样的.大致都要遵循这几步:
1 创建vlan
2 将端口划入vlan
3 为每个vlan设置ip,此IP是下边vlan的网关
4 起trunk
5 在trunk中设置允许通过的vlan

华为的命令是在网上找的,不知道对不对.

sys
[SwA]vlan 1
[SwA-vlan1]vlan 2 //创建vlan2
[SwA-vlan2]port ethernet 0/17 to eth 0/19 eth 0/22 //在vlan2中将第17至19端口,和第22端口加入VLAN2
[SwA-vlan2]vlan 3
[SwA-vlan3]port eth 0/21 //在vlan3中将第21端口加入VLAN2
[SwA-vlan3]inter e0/23
[SwA-Ethernet0/24]port link-type trunk //将第24端口设为trunk口,这个口是与防火墙或者路由器直连的口.
[SwA-Ethernet0/24]port trunk permit vlan vlan1 vlan 2 vlan20 vlan30 vlan40 vlan50 vlan60 在trunk口中加入允许通过的vlan

回答4:

回答5:

vlan(virtual
local
area
network)又称虚拟局域网,是指在交换局域网的基础上,采用网络管理软件构建的可跨越不同网段、不同网络的端到端的逻辑网络。一个vlan组成一个逻辑子网,即一个逻辑广播域,它可以覆盖多个网络设备,允许处于不同地理位置的网络用户加入到一个逻辑子网中。
组建vlan的条件
vlan是建立在物理网络基础上的一种逻辑子网,因此建立vlan需要相应的支持vlan技术的网络设备。当网络中的不同vlan间进行相互通信时,需要路由的支持,这时就需要增加路由设备——要实现路由功能,既可采用路由器,也可采用三层交换机来完成。
划分vlan的基本策略
从技术角度讲,vlan的划分可依据不同原则,一般有以下三种划分方法:
1、基于端口的vlan划分
这种划分是把一个或多个交换机上的几个端口划分一个逻辑组,这是最简单、最有效的划分方法。该方法只需网络管理员对网络设备的交换端口进行重新分配即可,不用考虑该端口所连接的设备。
2、基于mac地址的vlan划分
mac地址其实就是指网卡的标识符,每一块网卡的mac地址都是惟一且固化在网卡上的。mac地址由12位16进制数表示,前8位为厂商标识,后4位为网卡标识。网络管理员可按mac地址把一些站点划分为一个逻辑子网。
3、基于路由的vlan划分
路由协议工作在网络层,相应的工作设备有路由器和路由交换机(即三层交换机)。该方式允许一个vlan跨越多个交换机,或一个端口位于多个vlan中。
就目前来说,对于vlan的划分主要采取上述第1、3种方式,第2种方式为辅助性的方案。

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