华为:相同vlan,不同交换机之间的通信。
https://upload-images.jianshu.io/upload_images/24325874-c32ce2c25a3f068f.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240华为定义:华为交换机默认所有端口都是hybrid类型。hybrid:(杂合接口)包含access、trunk接口特性 能用于下联级联接口,需要单独使用。可以手动更改是否针对流量数据是否打标。PVID(端口vlan标识符):代表了指定接口连接哪个vlan access接口接受数据 :如果带有vlan标记的帧,先查看vlan标记是否是pvid的vlan标记,是则接受,不是则丢失,如果不带vlan标记,直接认为是来自pvid vlan的,打上对应的标记,再做进一步转发,对于数据发送:通过这个接口只能发送pvid vlan流量,这个标记会去除,以默认帧的形式通过这个接口发走。Trunk中的PVID相当于接口的本征vlan。PC 2 IP 23.1.1.3 24 VLAN10PC 4 IP 12.1.1.2 24 VLAN10PC 1 IP 12.1.1.1 24 VLAN20PC 3 IP 23.1.1.2 24 VLAN20SW1进入G0/0/3接口,将接口类型定义为Trunk
https://upload-images.jianshu.io/upload_images/24325874-bacf1491c28fef9b.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
华为trunk默认只允许vlan1通信,所以需要放行,上图放行了1-4094SW2进入G0/0/3接口,将接口类型定义为Trunk
https://upload-images.jianshu.io/upload_images/24325874-def9a8d08692780c.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
SW1创建VLAN 10 20
https://upload-images.jianshu.io/upload_images/24325874-159eb69531687097.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
SW2创建VLAN 10 20vlan batch X X可以同时创建多个VLAN
https://upload-images.jianshu.io/upload_images/24325874-9af7fb42aa999237.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
display vlan查看vlan 发现vlan10 vlan20 已经创建
https://upload-images.jianshu.io/upload_images/24325874-700b77cb774f1294.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
将SW2对应接口划分vlan
https://upload-images.jianshu.io/upload_images/24325874-e457020b20734951.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
改接口类型为access,划分对应的vlan
https://upload-images.jianshu.io/upload_images/24325874-a3799bee6b2317b9.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
SW2,VLAN信息
https://upload-images.jianshu.io/upload_images/24325874-f1a6a230b11cb171.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
SW1配置相同
https://upload-images.jianshu.io/upload_images/24325874-e3cb5dac35b655a5.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
SW1 VLAN信息
https://upload-images.jianshu.io/upload_images/24325874-1e71ff2bd30cafa0.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240
配置完成。华为扩展小知识:隐藏命令Port hybrid pvid vlan1指定VLAN1可以通行Port hybrid untag vlan 10 指定VLAN10不加标记发送Port hybrid tag vlan 20 指定VLAN20加标记发送port link-type hybrid 指定接口为hybrid定义:一个交换区域内所有交换机共享相同vlan信息,通过access和trunk是实现vlan内通信,要实现不同vlan通信 ,需要单臂路由或者交换机的SVI接口就是三层网络设备。
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