华为VLAN技术原理与配置PPT课件

1、copyright 2010 huawei technologies co., ltd. all rights reserved. vlan技术原理和配置copyright 2010 huawei technologies co., ltd. all rights reserved. page2前 言 虚拟局域网（vlan）技术为以太网引入了灵活的控制手段，被广泛应用。copyright 2010 huawei technologies co., ltd. all rights reserved. page3培训目标 学完本课程后，您应该能：l了解vlan技术产生的背景l了解vlan标签的产生

2、方法l掌握vlan标签的应用规则l掌握vlan的配置copyright 2010 huawei technologies co., ltd. all rights reserved. page4目 录lvlan简介简介lvlan标签的应用规则copyright 2010 huawei technologies co., ltd. all rights reserved. page5vlan的产生原因缺少转发控制手段的以太网用户：我不想收到c的广播报文管理员：b不能访问acbacopyright 2010 huawei technologies co., ltd. all rights rese

3、rved. page6vlan技术的目标组1组2copyright 2010 huawei technologies co., ltd. all rights reserved. page7通过标签管理实现vlan5permit vlan 1 onlyabcopyright 2010 huawei technologies co., ltd. all rights reserved. page8vlan标签介绍dasatypedatafcsdasatagtypedatafcsuntagged frametagged frame0 x8100pricfivlan id（12b）tpidtci6b

4、6b2b64-1500b4b6b6b2b64-1500b4b4b2b2bcopyright 2010 huawei technologies co., ltd. all rights reserved. page9如何生成vlan标签主机主机a主机主机b主机主机c主机主机dport 1port 2 port 7port 10端口pvidport15port210port75port1010copyright 2010 huawei technologies co., ltd. all rights reserved. page10目 录lvlan简介lvlan标签的应用规则标签的应用规则cop

5、yright 2010 huawei technologies co., ltd. all rights reserved. page11vlan转发流程tagged?添加pvid使用自身vlan id交换机是否创建了该vlan丢弃ynny目的端口是否允许该vlan通过转发/标签操作yn收到对端设备以太网帧copyright 2010 huawei technologies co., ltd. all rights reserved. page12access接口vlan属性quidwaydisplay port vlan active gigabitethernet 0/0/1t=tag u

6、=untag-port link type pvid vlan list-ge0/0/1 access 2 u: 2接口默认vlan为2,untagged帧添加vlan 2后再转发access接口，一般用于连接主机接口允许通过的vlan，与pvid相同copyright 2010 huawei technologies co., ltd. all rights reserved. page13配置access接口属性port-0/1 : vlan-3port-0/2 : vlan-5配置接口类型swa-ethernet0/1port link-type accessswa-ethernet0/

7、2port link-type access创建vlanswavlan 3swavlan 5设置接口设置接口pvidswa-ethernet0/1port default vlan 3swa-ethernet0/2port default vlan 5swacopyright 2010 huawei technologies co., ltd. all rights reserved. page14trunk接口vlan属性quidwaydisplay port vlan active ethernet 0/3t=tag u=untag-port link type pvid vlan lis

8、t-e0/3 trunk 3 u: 3 t: 1收到untagged帧后，添加pvid 3允许多个vlan通过用于连接交换机等网络设备copyright 2010 huawei technologies co., ltd. all rights reserved. page15配置trunk端口属性创建vlanswavlan 3swavlan 5配置端口类型swa-ethernet0/3port link-type trunk配置trunk-link端口pvidswa-ethernet0/3port trunk pvid vlan 3配置trunk-link所允许通过的vlan（permitt

9、ed vlan）swa-ethernet0/3 port trunk allow-pass vlan 5port-0/3port-0/3swaswbcopyright 2010 huawei technologies co., ltd. all rights reserved. page16hybrid端口vlan属性quidwaydisplay port vlan active ethernet 0/3t=tag u=untag-port link type pvid vlan list-e0/3 hybrid 5 u: 1 4 t: 3按照trunk端口的方式转发移除标签后转发copyri

10、ght 2010 huawei technologies co., ltd. all rights reserved. page17配置hybrid端口quidway-ethernet1/0/1port link-type hybridquidway-ethernet1/0/1port hybrid pvid vlan 2quidway-ethernet1/0/1 port hybrid untagged vlan 2 99quidway-ethernet1/0/24port link-type hybridquidway-ethernet1/0/24port hybrid pvid vlan

11、 3quidway-ethernet1/0/24port hybrid untagged vlan 3 99quidway-ethernet2/0/0port link-type hybridquidway-ethernet2/0/0port hybrid pvid vlan 99quidway-ethernet2/0/0port hybrid untagged vlan 2 to 3port-2/0/0port-1/0/1port-1/0/24copyright 2010 huawei technologies co., ltd. all rights reserved. page18端口vlan属性动态配置 过渡交换机添加vlan信息l手动配置n只适合小型网络l自动配置ngvrp手动/自动配置vlanswaswcswbtrunktrunkvlan-2vlan-2pc-2pc-1copyright 2010 huawei technologies co., ltd. all rights reserved. page19配置gvrpeth0/1eth0/1eth0/2eth0/2switchgvrpswitchinterface e0/1switch-ethernet0/1port link-ty