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SHENMESHIVLAN?VLANDEHUAFENFANGFA

RIQI:2015-09-09

VLAN(Virtual Local Area Network)JIXUNIJUYUWANG,SHIYIZHONGTONGGUOJIANGJUYUWANGNEIDESHEBEILUOJIDIERBUSHIWULIDIHUAFENCHENGYIGEGEWANGDUANCONGERSHIXIANXUNIGONGZUOZUDEXINXINGJISHU。IEEEYU1999NIANBANBULEYONGYIBIAOZHUNHUAVLANSHIXIANFANGANDE802.1QXIEYIBIAOZHUNCAOAN。

VLANJISHUYUNXUWANGLUOGUANLIZHEJIANGYIGEWULIDELANLUOJIDIHUAFENCHENGBUTONGDEGUANGBOYU(HUOCHENGXUNILAN,JIVLAN),MEIYIGEVLANDOUBAOHANYIZUYOUZHEXIANGTONGXUQIUDEJISUANJIGONGZUOZHAN,YUWULISHANGXINGCHENGDELANYOUZHEXIANGTONGDESHUXING。DANYOUYUTASHILUOJIDIERBUSHIWULIDIHUAFEN,SUOYITONGYIGEVLANNEIDEGEGEGONGZUOZHANWUXUBEIFANGZHIZAITONGYIGEWULIKONGJIANLI,JIZHEIXIEGONGZUOZHANBUYIDINGSHUYUTONGYIGEWULILANWANGDUAN。YIGEVLANNEIBUDEGUANGBOHEDANBOLIULIANGDOUBUHUIZHUANFADAOQITAVLANZHONG,CONGERYOUZHUYUKONGZHILIULIANG、JIANSHAOSHEBEITOUZI、JIANHUAWANGLUOGUANLI、TIGAOWANGLUODEANQUANXING。

VLANSHIWEIJIEJUEYITAIWANGDEGUANGBOWENTIHEANQUANXINGERTICHUDEYIZHONGXIEYI,TAZAIYITAIWANGZHENDEJICHUSHANGZENGJIALEVLANTOU,YONGVLAN IDBAYONGHUHUAFENWEIGENGXIAODEGONGZUOZU,XIANZHIBUTONGGONGZUOZUJIANDEYONGHUERCENGHUFANG,MEIGEGONGZUOZUJIUSHIYIGEXUNIJUYUWANG。XUNIJUYUWANGDEHAOCHUSHIKEYIXIANZHIGUANGBOFANWEI,BINGNENGGOUXINGCHENGXUNIGONGZUOZU,DONGTAIGUANLIWANGLUO。

VLAN在交换机上的实现方法,可以大致划分为4类:

1、 基于端口划分的VLAN

ZHEIZHONGHUAFENVLANDEFANGFASHIGENJUYITAIWANGJIAOHUANJIDEDUANKOULAIHUAFEN,BIRUQuidway S3526DE1~4DUANKOUWEIVLAN 10,5~17WEIVLAN 20,18~24WEIVLAN 30,DANGRAN,ZHEIXIESHUYUTONGYIVLANDEDUANKOUKEYIBULIANXU,RUHEPEIZHI,YOUGUANLIYUANJUEDING,RUGUOYOUDUOGEJIAOHUANJI,LIRU,KEYIZHIDINGJIAOHUANJI 1 DE1~6DUANKOUHEJIAOHUANJI 2 DE1~4DUANKOUWEITONGYIVLAN,JITONGYIVLANKEYIKUAYUESHUGEYITAIWANGJIAOHUANJI,GENJUDUANKOUHUAFENSHIMUQIANDINGYIVLANDEZUIGUANGFANDEFANGFA,IEEE 802.1QGUIDINGLEYIJUYITAIWANGJIAOHUANJIDEDUANKOULAIHUAFENVLANDEGUOJIBIAOZHUN。

ZHEIZHONGHUAFENDEFANGFADEYOUDIANSHIDINGYIVLANCHENGYUANSHIFEICHANGJIANDAN,ZHIYAOJIANGSUOYOUDEDUANKOUDOUZHIDINGYIYIXIAJIUKEYILE。TADEQUEDIANSHIRUGUOVLAN ADEYONGHULIKAILEYUANLAIDEDUANKOU,DAOLEYIGEXINDEJIAOHUANJIDEMOUGEDUANKOU,NEIMEJIUBIXUZHONGXINDINGYI。

2、基于MAC地址划分VLAN

ZHEIZHONGHUAFENVLANDEFANGFASHIGENJUMEIGEZHUJIDEMACDIZHILAIHUAFEN,JIDUIMEIGEMACDIZHIDEZHUJIDOUPEIZHITASHUYUNAGEZU。ZHEIZHONGHUAFENVLANDEFANGFADEZUIDAYOUDIANJIUSHIDANGYONGHUWULIWEIZHIYIDONGSHI,JICONGYIGEJIAOHUANJIHUANDAOQITADEJIAOHUANJISHI,VLANBUYONGZHONGXINPEIZHI,SUOYI,KEYIRENWEIZHEIZHONGGENJUMACDIZHIDEHUAFENFANGFASHIJIYUYONGHUDEVLAN,ZHEIZHONGFANGFADEQUEDIANSHICHUSHIHUASHI,SUOYOUDEYONGHUDOUBIXUJINXINGPEIZHI,RUGUOYOUJIBAIGESHENZHISHANGQIANGEYONGHUDEHUA,PEIZHISHIFEICHANGLEIDE。ERQIEZHEIZHONGHUAFENDEFANGFAYEDAOZHILEJIAOHUANJIZHIXINGXIAOLVDEJIANGDI,YINWEIZAIMEIYIGEJIAOHUANJIDEDUANKOUDOUKENENGCUNZAIHENDUOGEVLANZUDECHENGYUAN,ZHEIYANGJIUWUFAXIANZHIGUANGBOBAOLE。LINGWAI,DUIYUSHIYONGBIJIBENDIANNAODEYONGHULAISHUO,TAMENDEWANGKAKENENGJINGCHANGGENGHUAN,ZHEIYANG,VLANJIUBIXUBUTINGDEPEIZHI。

3、基于网络层划分VLAN

ZHEIZHONGHUAFENVLANDEFANGFASHIGENJUMEIGEZHUJIDEWANGLUOCENGDIZHIHUOXIEYILEIXING(RUGUOZHICHIDUOXIEYI)HUAFENDE,SUIRANZHEIZHONGHUAFENFANGFASHIGENJUWANGLUODIZHI,BIRUIPDIZHI,DANTABUSHILUYOU,YUWANGLUOCENGDELUYOUHAOWUGUANXI。TASUIRANCHAKANMEIGESHUJUBAODEIPDIZHI,DANYOUYUBUSHILUYOU,SUOYI,MEIYOURIP,OSPFDENGLUYOUXIEYI,ERSHIGENJUSHENGCHENGSHUSUANFAJINXINGQIAOJIAOHUAN,

山西11选5走势图 ZHEIZHONGFANGFADEYOUDIANSHIYONGHUDEWULIWEIZHIGAIBIANLE,BUXUYAOZHONGXINPEIZHISUOSHUDEVLAN,ERQIEKEYIGENJUXIEYILEIXINGLAIHUAFENVLAN,ZHEIDUIWANGLUOGUANLIZHELAISHUOHENZHONGYAO,HAIYOU,ZHEIZHONGFANGFABUXUYAOFUJIADEZHENBIAOQIANLAISHIBIEVLAN,ZHEIYANGKEYIJIANSHAOWANGLUODETONGXINLIANG。

ZHEIZHONGFANGFADEQUEDIANSHIXIAOLVDI,YINWEIJIANCHAMEIYIGESHUJUBAODEWANGLUOCENGDIZHISHIXUYAOXIAOHAOCHULISHIJIANDE(XIANGDUIYUQIANMIANLIANGZHONGFANGFA),YIBANDEJIAOHUANJIXINPIANDOUKEYIZIDONGJIANCHAWANGLUOSHANGSHUJUBAODEYITAIWANGZHENTOU,DANYAORANGXINPIANNENGJIANCHAIPZHENTOU,XUYAOGENGGAODEJISHU,TONGSHIYEGENGFEISHI。DANGRAN,ZHEIYUGEGECHANGSHANGDESHIXIANFANGFAYOUGUAN。

4、根据IP组播划分VLAN

IP ZUBOSHIJISHANGYESHIYIZHONGVLANDEDINGYI,JIRENWEIYIGEZUBOZUJIUSHIYIGEVLAN,ZHEIZHONGHUAFENDEFANGFAJIANGVLANKUODADAOLEGUANGYUWANG,YINCIZHEIZHONGFANGFAJUYOUGENGDADELINGHUOXING,ERQIEYEHENRONGYITONGGUOLUYOUQIJINXINGKUOZHAN,DANGRANZHEIZHONGFANGFABUSHIHEJUYUWANG,ZHUYAOSHIXIAOLVBUGAO。


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