{"id":4264,"date":"2022-11-18T13:11:05","date_gmt":"2022-11-18T10:11:05","guid":{"rendered":"https:\/\/multimediabilgisayar.com\/blog\/?p=4264"},"modified":"2022-11-18T15:40:48","modified_gmt":"2022-11-18T12:40:48","slug":"vlan-virtual-local-area-network-nedir-nasil-yapilandirilir","status":"publish","type":"post","link":"https:\/\/multimediabilgisayar.com\/blog\/vlan-virtual-local-area-network-nedir-nasil-yapilandirilir\/","title":{"rendered":"VLAN (Virtual Local Area Network) Nedir? Nas\u0131l Yap\u0131land\u0131r\u0131l\u0131r?"},"content":{"rendered":"

VLAN yani Sanal Yerel Alan A\u011f\u0131, bir LAN (Local Area Network) Network’\u00fc \u00fczerindeki kaynaklar\u0131n Switch Port’lar \u00fczerinde mant\u0131ksal olarak grupland\u0131r\u0131lmas\u0131 ile yap\u0131l\u0131r. VLAN kullan\u0131m\u0131 ile Network \u00fczerindeki gereksiz Broadcast trafi\u011fi azalt\u0131larak Bandwith (bant geni\u015fli\u011fi) art\u0131r\u0131lm\u0131\u015f olur. Ba\u015fka bir ifade ile VLAN, Network trafi\u011finde dola\u015fan Data paketlerini t\u00fcm Switch Port’lar\u0131na da\u011f\u0131taca\u011f\u0131 i\u00e7in Switch Port’lar\u0131na ba\u011fl\u0131 t\u00fcm kaynaklarda yani t\u00fcm Network’te dola\u015fm\u0131\u015f olacak. Bu da gereksiz bir Broadcast trafi\u011fi olu\u015fmas\u0131na sebep olacak ve bant geni\u015fli\u011finin gereksiz yere kullan\u0131lmas\u0131na sebep olacakt\u0131r. Asl\u0131nda bunu sadece Broadcast ve Bandwidth (bant geni\u015fli\u011fi) kapsam\u0131nda de\u011fil, g\u00fcvenlik kapsam\u0131nda da ele al\u0131p d\u00fc\u015f\u00fcnmek gerekmektedir. \u015eirketimize misafir olarak gelen ve sistemimizde tan\u0131ml\u0131 olmayan birisini sistem Network’\u00fcm\u00fcze dahil etmek, \u00e7ok da ak\u0131ll\u0131ca ve istenen bir \u015fey olmayacakt\u0131r. Bu nedenle, sistemden izole edilmi\u015f bir Network \u00fczerinden misafirimizi Internet ortam\u0131na \u00e7\u0131kartmak, g\u00fcvenlik a\u00e7\u0131s\u0131ndan at\u0131labilecek en \u00f6nemli ad\u0131mlardan birisi olacakt\u0131r ki bunu da Network’\u00fcm\u00fcz\u00fc segmentlere b\u00f6l\u00fcmleyerek, yani VLAN’lar olu\u015fturarak yapabiliriz.<\/p>\n

\"\"<\/p>\n

Sistemimiz \u00fczerinde VLAN’lar olu\u015fturarak Network’\u00fcm\u00fcz\u00fc segmentlere b\u00f6l\u00fcmlemek, olas\u0131 Network problemlerini tan\u0131lama ve \u00e7\u00f6z\u00fcme kavu\u015fturmada bize kolayl\u0131k sa\u011flayacakt\u0131r.<\/p>\n

1- VLAN T\u00fcrleri Nelerdir?<\/h3>\n

1.1- Veri VLAN’\u0131 (Data VLAN)<\/h4>\n

Veri VLAN’\u0131 \u00f6zelle\u015fmemi\u015f standart trafi\u011fi ta\u015f\u0131mak \u00fczere yap\u0131land\u0131r\u0131lm\u0131\u015f VLAN’d\u0131r. Kullan\u0131c\u0131 kaynakl\u0131 Internet trafi\u011fi buna \u00f6rnek olarak g\u00f6sterilebilir. Ayr\u0131ca bir VLAN ayn\u0131 anda ses ya da video temelli trafik de ta\u015f\u0131yabilir. Veri VLAN’\u0131n\u0131n bir di\u011fer ad\u0131 da Kullan\u0131c\u0131 VLAN’\u0131d\u0131r (User VLAN).<\/p>\n

1.2- Varsay\u0131lan VLAN (Default VLAN)<\/h4>\n

Switch’teki b\u00fct\u00fcn Port’lar, Switch ba\u015flat\u0131ld\u0131\u011f\u0131nda otomatik olarak varsay\u0131lan VLAN’a dahil olurlar. Cisco cihazlar i\u00e7in Varsay\u0131lan VLAN VLAN 1 dir. Switch Port’lar\u0131n\u0131n Default VLAN’a ba\u011fl\u0131 olmas\u0131, bu Port’lar\u0131 ayn\u0131 Broadcast Domain ‘e dahil eder. Bu durum Switch’lere ba\u011flanan b\u00fct\u00fcn cihazlar\u0131n birbirleriyle ileti\u015fim kurmas\u0131na olanak sa\u011flar. VLAN 1, yeniden adland\u0131r\u0131lamamas\u0131 ve silinememesi d\u0131\u015f\u0131nda di\u011fer VLAN’larla ayn\u0131 \u00f6zelliklere sahiptir.<\/p>\n

1.3- Yerel VLAN (Native VLAN)<\/h4>\n

Yerel VLAN “Trunk” ba\u011flant\u0131 noktas\u0131na atanm\u0131\u015f VLAN’d\u0131r. Bir “Trunk” ba\u011flant\u0131 noktas\u0131 herhangi bir VLAN etiketi olmayan trafi\u011fi (Untagged VLAN Traffic) oldu\u011fu gibi, \u00e7ok say\u0131da VLAN taraf\u0131ndan olu\u015fturulan trafi\u011fi de (Tagged VLAN Traffic) destekler. Trunk \u00a0ba\u011flant\u0131 noktas\u0131 herhangi bir VLAN’dan gelmeyen trafi\u011fi Yerel VLAN’a y\u00f6nlendirir. Bir cihaz taraf\u0131ndan olu\u015fturulan ve herhangi bir VLAN’dan gelmeyen trafik Switch’in Yerel VLAN olarak yap\u0131land\u0131r\u0131lm\u0131\u015f olan VLAN \u00fczerinden iletilir.<\/p>\n

1.4- Y\u00f6netim VLAN’\u0131 (Management VLAN)<\/h4>\n

Y\u00f6netim VLAN’\u0131, Switch’i y\u00f6netmek \u00fczere yap\u0131land\u0131r\u0131lm\u0131\u015f herhangi bir VLAN olabilir. E\u011fer Y\u00f6netim VLAN’\u0131 olarak \u00f6zel bir VLAN yap\u0131land\u0131r\u0131lmam\u0131\u015fsa, VLAN 1 Y\u00f6netim VLAN’\u0131 olarak hizmet verir. Y\u00f6netim VLAN’\u0131na bir IP adresi ve Subnet Mask (alt a\u011f maskesi) \u00a0atand\u0131\u011f\u0131nda bu Switch’e HTTP, Telnet, SSH ya da SNMP gibi yollarla ba\u011flan\u0131labilir.<\/p>\n

1.5- Ses VLAN’\u0131 (Voice VLAN)<\/h4>\n

Ses VLAN’\u0131, \u00fczerinden sadece ses trafi\u011finin ge\u00e7irilmesi y\u00f6n\u00fcnde yap\u0131land\u0131r\u0131lan VLAN’dir. Ses iletimi, ki\u015filer ve kurumlar i\u00e7in \u00e7ok \u00f6nemli oldu\u011fu i\u00e7in, Ses VLAN’\u0131 s\u0131kl\u0131kla kullan\u0131lmaktad\u0131r. Ses VLAN’inde ses iletimi i\u00e7in IP telefonu kullan\u0131l\u0131r. Switch \u00fczerindeki Port’a Ses VLAN’\u0131 yap\u0131land\u0131rabilmek i\u00e7in \u00f6ncelikle ses ve veri i\u00e7in iki ayr\u0131 VLAN yap\u0131land\u0131r\u0131lmas\u0131 gerekir. Bir IP telefon, Switch’in ilgili ba\u011flant\u0131 noktas\u0131na ilk defa ba\u011fland\u0131\u011f\u0131nda, Switch’in ilgili Port’una IP telefona daha \u00f6nceden yap\u0131land\u0131r\u0131lm\u0131\u015f VLAN’\u0131n ad\u0131n\u0131 ve konfig\u00fcrasyon bilgisini yollar. IP telefon da bu bilgileri ald\u0131ktan sonra, Voice Frame’lerini etiketleyerek t\u00fcm ses trafi\u011fini Voice VLAN’\u0131 \u00fczerinden g\u00f6nderir.<\/p>\n

2- VLAN Olmayan Bir Network Ortam\u0131nda Network Trafi\u011fi<\/h3>\n

Mant\u0131\u011f\u0131n daha net anla\u015f\u0131labilmesi i\u00e7in, VLAN olu\u015fturulmam\u0131\u015f bir a\u011f \u00fczerindeki Data paketlerinin, t\u00fcm sisteme nas\u0131l da\u011f\u0131ld\u0131\u011f\u0131na bir g\u00f6z atal\u0131m: 3. Katta bulunan PC-46 ‘dan, 1. kattaki PC-20 ‘ye bilgisayara bir Data paketi yolluyorum. Paketlerin rahatl\u0131kla izlenebilmesi i\u00e7in,\u00a0 ARP protokol\u00fcn\u00fc de devreye ald\u0131m. Bu iki bilgisayar, ilk kez haberle\u015fecekleri i\u00e7in, PC-46’dan \u00e7\u0131kan Data paketi, t\u00fcm Network’\u00fc dolaca\u015facak, yani bir Broadcast olu\u015fturacakt\u0131r.<\/p>\n

\"\"<\/p>\n

A\u015fa\u011f\u0131da g\u00f6r\u00fcld\u00fc\u011f\u00fc gibi PC46’dan \u00e7\u0131kan Data paketi, ARP Request i\u00e7indeki Destination Mac Address bilgisi FF-FF-FF-FF-FF-FF (Broadcast MAC adresi) oldu\u011fu i\u00e7in, ilk \u00f6nce 3. kataki t\u00fcm bilgisayarlara ula\u015ft\u0131r\u0131ld\u0131. \u0130lgili Data paketi, ARP Request ile gelen Data paketindeki Destination IP Address kendilerine ait olmad\u0131\u011f\u0131 i\u00e7in, t\u00fcm bilgisayarlar Data paketini reddetti!<\/p>\n

\"\"<\/p>\n

Ayn\u0131 Data paketi, ARP Request i\u00e7indeki Destination Mac Address bilgisi FF-FF-FF-FF-FF-FF (Broadcast mac adresi) oldu\u011fu i\u00e7in, 2. kataki t\u00fcm bilgisayarlara da ula\u015ft\u0131r\u0131ld\u0131. \u0130lgili Data paketi, ARP Request ile gelen Data paketindeki Destination IP Address kendilerine ait olmad\u0131\u011f\u0131 i\u00e7in, t\u00fcm bilgisayarlar Data paketini reddetti!<\/p>\n

\"\"<\/p>\n

Ayn\u0131 Data paketi, ARP Request i\u00e7indeki Destination Mac Address bilgisi FF-FF-FF-FF-FF-FF (Broadcast mac adresi) oldu\u011fu i\u00e7in, 1. kattaki t\u00fcm bilgisayarlara ula\u015ft\u0131r\u0131ld\u0131. \u0130lgili Data paketi, ARP Request ile gelen Data paketindeki Destination IP Address kendilerine ait olmad\u0131\u011f\u0131 i\u00e7in PC-20 hari\u00e7 t\u00fcm bilgisayarlar Data paketini reddetti!\u00a0 PC-20, ARP Request ile gelen Data paketindeki Destination IP Address kendine ait oldu\u011fu i\u00e7in Data paketini ald\u0131!<\/p>\n

\"\"<\/p>\n

\u0130\u015fte bu \u00f6rnekte g\u00f6r\u00fcld\u00fc\u011f\u00fc gibi, VLAN ile segmentlere b\u00f6l\u00fcnmemi\u015f bir Network ortam\u0131nda Data paketleri, bu \u015fekilde ilk Data paketi g\u00f6nderiminde (daha \u00f6nce hi\u00e7 haberle\u015fmemi\u015f bilgisayarlar i\u00e7in) Broadcast ile t\u00fcm Network’e yay\u0131lmakta ve gereksiz yere bir trafik olu\u015fmaktad\u0131r. Bu gereksiz Broadcast’i \u00f6nlemenin yolu, Network’leri VLAN’ler ile segmentlere ay\u0131rmaktan ge\u00e7mektedir.<\/p>\n

3- VLAN Yap\u0131land\u0131rma<\/h3>\n

VLAN Yap\u0131land\u0131r\u0131lmam\u0131\u015f bir Network Ortam\u0131nda Network Trafi\u011fini izledikten sonra, VLAN yap\u0131land\u0131rma i\u015flemimize ge\u00e7ebiliriz. Bu k\u0131s\u0131mda, ad\u0131m ad\u0131m Cisco Switch ile VLAN Yap\u0131land\u0131rma<\/strong> i\u015flemlerimize ba\u015fl\u0131yor olaca\u011f\u0131z.<\/p>\n

Yap\u0131m \u015fu \u015fekilde olacak:
\n\u2022 6 adet VLAN. (Vlan 10, Vlan 20, Vlan 30, Vlan 40, Vlan 50, Vlan 60)
\n\u2022 60 adet PC.
\n\u2022 3 adet 24 Port Layer-2 Cisco Switch.
\n\u2022 1 adet Layer-3 Cisco (backbone, omurga) Switch.
\n\u2022 1 adet DHCP Server.<\/p>\n

Bilgi!:<\/strong> Cisco Switch’lerde VLAN 1, varsay\u0131lan VLAN oldu\u011fundan, Y\u00f6netim VLAN’\u0131 ile Varsay\u0131lan VLAN’\u0131 ay\u0131rmak g\u00fcvenlik a\u00e7\u0131s\u0131ndan tercih edilir.<\/p>\n

VLAN yap\u0131land\u0131rma i\u015flemimizi Layer-3 Switch \u00fczerinden yap\u0131land\u0131rarak, burada yap\u0131land\u0131rd\u0131\u011f\u0131m\u0131z VLAN yap\u0131land\u0131rmalar\u0131m\u0131z\u0131 t\u00fcm Layer-2 Switch’lere da\u011f\u0131taca\u011f\u0131z. Ortam\u0131n\u0131zda birden fazla Switch bulunuyorsa, t\u00fcm Switch’leri tek tek dola\u015f\u0131p, hepsinde VLAN yap\u0131land\u0131rmak i\u00e7in zaman harcamak gereksizdir. Layer-3 Switch’in bize sundu\u011fu avantajlardan birisi de, ayr\u0131 VLAN gruplar\u0131 aras\u0131nda bir Router’a ihtiya\u00e7 duymadan\u00a0IP Routing olu\u015fturup, VLAN’lar aras\u0131 ileti\u015fimi sa\u011flayabilmesidir.\"\"<\/p>\n

3.1-\u00a0L3 Switch \u00fczerinde VLAN olu\u015fturma<\/span><\/h4>\n

L3-Switch-01>Enable
\nL3-Switch-01#Configure Terminal
\nL3-Switch-01(config)#VLAN 10<\/strong>
\nL3-Switch-01(config-VLAN)#name IT<\/strong>
\nL3-Switch-01(config-VLAN)#exit
\nL3-Switch-01(config)#VLAN 20<\/strong>
\nL3-Switch-01(config-VLAN)#name IK<\/strong>
\nL3-Switch-01(config-VLAN)#exit
\nL3-Switch-01(config)#VLAN 30<\/strong>
\nL3-Switch-01(config-VLAN)#name ARGE<\/strong>
\nL3-Switch-01(config-VLAN)#exit
\nL3-Switch-01(config)#VLAN 40<\/strong>
\nL3-Switch-01(config-VLAN)#name MUHENDISLIK<\/strong>
\nL3-Switch-01(config-VLAN)#exit
\nL3-Switch-01(config)#VLAN 50<\/strong>
\nL3-Switch-01(config-VLAN)#name FINANS<\/strong>
\nL3-Switch-01(config-VLAN)#exit
\nL3-Switch-01(config)#VLAN 60<\/strong>
\nL3-Switch-01(config-VLAN)#name YONETIM<\/strong><\/p>\n

\"\"<\/p>\n

3.2-<\/strong> Show Vlan komutu ile olu\u015fturmu\u015f oldu\u011fum VLAN’leri g\u00f6r\u00fcnt\u00fcl\u00fcyorum.<\/p>\n

\"\"<\/p>\n

4- VLAN Trunk Yap\u0131land\u0131rma<\/h3>\n

Vlan Trunk yap\u0131land\u0131rma, Switch’lerin \u00fczerinden birden fazla VLAN’e ait Data paketlerinin ta\u015f\u0131nmas\u0131 i\u00e7in gereklidir. Biraz daha netle\u015ftirecek olursam; bir Switch Port’undan sadece bir VLAN\u2019a ait paketler ge\u00e7ebilir. Yani \u00f6rne\u011fin; VLAN yap\u0131land\u0131r\u0131lmam\u0131\u015f Switch’lerde varsay\u0131lan VLAN, VLAN1 oldu\u011fu i\u00e7in Trunk yap\u0131land\u0131rmas\u0131 yapman\u0131za gerek yoktur ancak \u00fczerinde birden fazla VLAN yap\u0131land\u0131rmas\u0131 olan Switch’lerdeki VLAN’lere ait VLAN bilgilerinin, Switch’lerin birbirlerine ba\u011fland\u0131\u011f\u0131 Port’lardan ge\u00e7ebilmesi i\u00e7in Trunk yap\u0131land\u0131rmas\u0131 yap\u0131lmas\u0131 \u015fartt\u0131r! Aksi durumda, fakl\u0131 VLAN’lere ait VLAN bilgileri, Switch’lerin birbirlerine ba\u011flanan Port’lar\u0131ndan ge\u00e7meyecek ve ileti\u015fim sa\u011flanamayacakt\u0131r. Yap\u0131m\u0131zda her bir Switch \u00fczerinde 2 ayn\u0131 VLAN yap\u0131land\u0131rmas\u0131 var (\u00d6r. KAT-1-Switch-01 \u00fczerinde VLAN 50 ve VLAN 60). Bu iki ayr\u0131 VLAN’e ait bilgilerin ortamdaki di\u011fer Switch’lere de iletilebilmesi i\u00e7in, Switch’ler aras\u0131 VLAN\u00a0Trunk Yap\u0131land\u0131rmas\u0131 yap\u0131lmal\u0131d\u0131r. Ayr\u0131ca Trunk yap\u0131land\u0131rmas\u0131, Switch’lerin birbirlerine ba\u011flanan Port’lar\u0131nda yap\u0131land\u0131r\u0131l\u0131r.<\/p>\n

 <\/p>\n

\"\"<\/p>\n

4.1- Backbone Switch \u00dczerinde VLAN Trunk Yap\u0131land\u0131rma<\/strong><\/span><\/h4>\n

L3-Switch-01>Enable
\nL3-Switch-01#Configure Terminal
\nL3-Switch-01(config)#int gigabitEthernet 0\/1<\/strong>
\nL3-Switch-01(config-if)#Switchport trunk encapsulation dot1q<\/strong>
\nL3-Switch-01(config-if)#switch mode trunk<\/strong>
\nSwitch Mode Trunk yap\u0131land\u0131rmas\u0131 ile\u00a0gigabitEthernet 0\/1<\/b>\u00a0Port’undan yani L3 Switch’in L2 Switch’lere ba\u011fl\u0131 oldu\u011fu Port \u00fczerinden farkl\u0131 VLAN’lerin ge\u00e7ece\u011fi bilgisini veriyorum.<\/p>\n

Bilgi!:<\/strong> Doq1q (802.1Q), IEEE taraf\u0131ndan geli\u015ftirilmi\u015f bir VLAN Encapsulation (kaps\u00fcllenme) standart\u0131d\u0131r. Ethernet<\/strong>, Data paketlerinin i\u00e7erisine yerle\u015ftirdi\u011fi Bit’ler sayesinde, VLAN kimli\u011finin ne oldu\u011funu belirler. Yani \u00f6rne\u011fin, Gi0\/1<\/strong> Portundan ge\u00e7ecek VLAN 10 bilgisini, VLAN 20 ve di\u011fer VLAN’lerin bilgilerini etiketlemeye yarayan bir protokold\u00fcr.\u00a0802.1Q standard\u0131; VLAN kullan\u0131m\u0131nda ortaya \u00e7\u0131kan, b\u00fcy\u00fck a\u011flar\u0131 daha k\u00fc\u00e7\u00fck ve y\u00f6netilebilir par\u00e7alara b\u00f6lme ihtiyac\u0131n\u0131 kar\u015f\u0131lamak i\u00e7in geli\u015ftirilmi\u015ftir.<\/p>\n

\"\"<\/p>\n

4.2-<\/strong>\u00a0Show Interfaces Trunk komutu ile Port’lar \u00fczerindeki VLAN\u00a0Trunk yap\u0131land\u0131rmas\u0131n\u0131 g\u00f6r\u00fcnt\u00fcl\u00fcyorum.
\nL3-Switch-01>show interfaces trunk<\/strong><\/p>\n

\"\"<\/p>\n

4.3- KAT-3-Switch-01 \u00dczerinde VLAN Trunk Yap\u0131land\u0131rma<\/strong><\/span>
\nKAT-3-Switch-01 \u00dczerindeki s\u0131ras\u0131 ile gigabitEthernet 0\/1 ve gigabitEthernet 0\/2 Port’lar\u0131na girece\u011fim.<\/h4>\n

KAT-3-Switch-01>Enable
\nKAT-3-Switch-01#Configure Terminal
\nKAT-3-Switch-01(config)#interface gigabitEthernet 0\/1<\/strong>
\nKAT-3-Switch-01(config-if)#Switchport mode trunk<\/strong>
\nKAT-3-Switch-01(config-if)#exit
\nKAT-3-Switch-01(config)#interface gigabitEthernet 0\/2<\/strong>
\nKAT-3-Switch-01(config-if)#Switchport mode trunk<\/strong><\/p>\n

\"\"<\/p>\n

4.4-<\/strong> show interfaces Trunk komutu ile Port’lar \u00fczerindeki VLAN Trunk yap\u0131land\u0131rmas\u0131n\u0131 g\u00f6r\u00fcnt\u00fcl\u00fcyorum.
\nKAT-3-Switch-01>show interfaces Trunk<\/strong><\/p>\n

\"\"<\/p>\n

4.5- KAT-2-Switch-01 \u00dczerinde VLAN Trunk Yap\u0131land\u0131rma<\/span>
\nKAT-2-Switch-01 \u00dczerindeki s\u0131ras\u0131 ile gigabitEthernet 0\/1 ve gigabitEthernet 0\/2 Port’lar\u0131na girece\u011fim.<\/h4>\n

KAT-2-Switch-01>Enable
\nKAT-2-Switch-01#Configure Terminal
\nKAT-2-Switch-01(config)#interface gigabitEthernet 0\/1<\/strong>
\nKAT-2-Switch-01(config-if)#Switchport mode trunk<\/strong>
\nKAT2-Swtich(config-if)#exit
\nKAT-2-Switch-01(config)#interface gigabitEthernet 0\/2<\/strong>
\nKAT-2-Switch-01(config-if)#Switchport mode trunk<\/strong><\/p>\n

\"\"<\/p>\n

4.6-<\/strong> show interfaces Trunk komutu ile Port’lar \u00fczerindeki VLAN Trunk yap\u0131land\u0131rmas\u0131n\u0131 g\u00f6r\u00fcnt\u00fcl\u00fcyorum.
\nKAT-2-Switch-01>show interfaces trunk<\/strong><\/p>\n

\"\"<\/p>\n

4.4- KAT-1-Switch-01 \u00dczerinde VLAN Trunk Yap\u0131land\u0131rma<\/span>
\nKAT-1-Switch-01 \u00dczerindeki gigabitEthernet 0\/1\u00a0ve gigbitEthernet 0\/2 Port’lar\u0131na girece\u011fim.<\/h4>\n

KAT-1-Switch-01>Enable
\nKAT-1-Switch-01#Configure Terminal
\nKAT-1-Switch-01(config)#interface gigabitEthernet 0\/1<\/strong>
\nKAT-1-Switch-01(config-if)#Switchport mode trunk<\/strong>
\nKAT-1-Switch-01(config-if)#exit
\nKAT-1-Switch-01(config)#interface gigabitEthernet 0\/2<\/strong>
\nKAT-1-Switch-01(config-if)#Switchport mode trunk<\/strong><\/p>\n

\"\"<\/p>\n

4.3.1-<\/strong> show interfaces Trunk komutu ile Port’lar \u00fczerindeki VLAN Trunk yap\u0131land\u0131rmas\u0131n\u0131 g\u00f6r\u00fcnt\u00fcl\u00fcyorum.
\nKAT-1-Switch-01>show interfaces Trunk<\/strong><\/p>\n

\"\"<\/p>\n

5- VTP (Virtual LAN Trunking Protocol) Yap\u0131land\u0131rma<\/h3>\n

\u00d6ncelikle VTP yap\u0131s\u0131ndan biraz bahsetmek istiyorum.\u00a0VTP, \u00e7ok fazla say\u0131da Switch bulunan Network’lerde, protokol\u00fcn ad\u0131ndan da anla\u015f\u0131labilece\u011fi gibi, Trunk Port’lar yani ba\u011flant\u0131 noktalar\u0131 sayesinde, VLAN yap\u0131land\u0131rma ayarlar\u0131n\u0131 di\u011fer Switch’lere ta\u015f\u0131may\u0131 sa\u011flar. VTP, bir anlamda VLAN Domain (VLAN Etki Alan\u0131)<\/strong> olarak da adland\u0131rabilir. VTP Server’da ekleme, silme, de\u011fi\u015ftirme gibi \u00e7e\u015fitli yetkiler verilir ve VTP sayesinde eklenen, silinen ya da de\u011fi\u015ftirilen bu bilgilerin Network \u00fczerindeki di\u011fer Switch’lere otomatik olarak bildirilmesi sa\u011flanm\u0131\u015f olur.<\/p>\n

\u25cf VTP Domain: <\/strong>VTP Domain sayesinde bir etki alan\u0131 olu\u015fturarak, di\u011fer Switch’leri de bu etki alan\u0131na toplam\u0131\u015f oluyoruz.<\/p>\n

\u25cf VTP Password<\/strong>: VTP Password sayesinde; \u00f6rne\u011fin ortama ba\u015fka bir Switch eklendi\u011finde, VTP ile t\u00fcm VLAN bilgisinin bu yeni Switch \u00fczerine de ge\u00e7mesini engellemi\u015f oluruz. Ayr\u0131ca \u015funu da bilmenizde fayda var; yeni takaca\u011f\u0131n\u0131z Switch(ler)’inizi \u00e7ok daha farkl\u0131 bir ama\u00e7 i\u00e7in kullanacak olabilir, tan\u0131ml\u0131 olan VLAN’lerin bu yeni Switch(lere)’e tan\u0131mlanmas\u0131n\u0131 istemeyebilirsiniz. Yeni takaca\u011f\u0131n\u0131z Switch(ler)’inize bu VTP Password bilgisini girmedi\u011finiz s\u00fcrece, VLAN bilgilerini alamayacakt\u0131r.<\/p>\n

\u25cf VTP Version 2:<\/strong> Version 2, veri tutarl\u0131l\u0131k kontrollerini desteklemektedir. Bu, CLI \u00fczerinden veya SNMP (Simple Network Management Protocol) gibi ba\u015fka bir y\u00f6ntem arac\u0131l\u0131\u011f\u0131yla VTP Domain hakk\u0131nda yeni bilgiler girildi\u011finde, VTP Version 2’nin tutarl\u0131l\u0131k kontrol\u00fcn\u00fc ger\u00e7ekle\u015ftirece\u011fi anlam\u0131na gelmektedir.<\/p>\n

\u25cf VTP Mode<\/strong>: \u00dc\u00e7 tane VTP Mode bulunmaktad\u0131r.\u00a0Bunlar;<\/p>\n

\u2022 VTP\u00a0Server Mode:<\/strong> Bu Mode’da \u00e7al\u0131\u015fan Switch’te VLAN olu\u015fturulabilir ve silinebilir. Ayr\u0131ca Layer3 (Backbone) Switch’te VLAN interface konfig\u00fcrasyonu, Server Mode’da olan Switch’te yap\u0131land\u0131r\u0131l\u0131r. VPT Server Mode, Backbone Switch \u00fczerinde varsay\u0131lan olarak tan\u0131ml\u0131d\u0131r.<\/p>\n

\u2022 VTP Mode Transparent:<\/strong> Bu modda \u00e7al\u0131\u015fan Switchler, VTP’den VLAN bilgilerini alarak kendi \u00fczerinde bu bilgileri tutmadan di\u011fer Switch’lere iletir. Bir nevi k\u00f6pr\u00fc g\u00f6revi g\u00f6rmektedir.<\/p>\n

\u2022 VTP Mode Client:<\/strong> Bu modda olan Switch’ler Trunk Portl’ar\u0131 \u00fczerinden VLAN listesini al\u0131p, kendi \u00fczerlerinde bu bilgileri kaydederek VLAN bilgilerini ta\u015f\u0131rlar.<\/p>\n

 <\/p>\n

\n\n\n\n\n\n\n\n
\u00d6zellik<\/th>\nVTP Server<\/th>\nVTP Client<\/th>\nVTP Transparent<\/th>\n<\/tr>\n<\/thead>\n
VLAN olu\u015fturma, d\u00fczenleme, silme<\/td>\nEvet<\/td>\nHay\u0131r<\/td>\nSadece Local<\/td>\n<\/tr>\n
Ba\u011f\u0131ms\u0131z Senkronizasyon<\/td>\nEvet<\/td>\nEvet<\/td>\nHay\u0131r<\/td>\n<\/tr>\n
VTP Tan\u0131mlar\u0131n\u0131 iletme<\/td>\nEvet<\/td>\nEvet<\/td>\nEvet<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Bilgi!:<\/strong> Burada en \u00f6nemli nokta, VTP Domain’dir. VTP Domain sadece bir kez olu\u015fturulur. VTP Server’da \u00f6nemli olan, versiyon numaras\u0131d\u0131r. Ortamda versiyon numaras\u0131 en y\u00fcksek olan VTP Server, yetkili konuma ge\u00e7mektedir. Bu nedenle de VTP Domain’e eklenecek bir parola bilgisi ile de Network ortam\u0131na eklenecek ba\u015fka bir VTP Server’\u0131n yetkisiz i\u015flem yapmas\u0131 engellenmi\u015f olur. Bunu da Layer3 Switch (Backbone Switch) \u00fczerinde olu\u015fturuyorum.<\/p>\n

5.1- L3 Switch \u00dczerinde VTP Yap\u0131land\u0131rma<\/h4>\n

L3-Switch-01>Enable
\nL3-Switch-01#Configure Terminal
\nL3-Switch-01(config)#vtp domain xyz<\/strong>
\nL3-Switch-01(config)#vtp password 123456<\/strong>
\nL3-Switch-01(config)#vtp version 2<\/strong><\/p>\n

Bilgi!:<\/strong> Layer3 Switch’te\u00a0VTP Mode, zaten\u00a0Server\u00a0oldu\u011fu i\u00e7in\u00a0Vtp Mode Server\u00a0komutu yazmaya da gerek yoktur.<\/p>\n

\"\"<\/p>\n

5.2-<\/strong> Show VTP Status komutu ile olu\u015fturdu\u011fum VTP yap\u0131s\u0131n\u0131n durum bilgisini g\u00f6r\u00fcnt\u00fcl\u00fcyorum.<\/p>\n

\"\"<\/p>\n

5.3- KAT-3-Switch-01 \u00dczerinde VTP Yap\u0131land\u0131rma<\/h4>\n

Layer2 Switch’ler \u00fczerinde, Layer3 Switch \u00fczerinde yapt\u0131\u011f\u0131m\u0131z gibi VTP Domain bilgisini girmiyoruz. \u00c7\u00fcnk\u00fc\u00a0Domain, sadece bir kez olu\u015fturulabilir! Bunu da\u00a0Layer3 Switch\u00a0 \u00fczerinde olu\u015fturmu\u015ftum. Ayr\u0131ca Layer2 Switch’ler \u00fczerinde Vtp Mode’u Server olarak girmiyoruz. Vtp Mode Server, ortamda sadece bir tane bulunabilir. Bu da Layer3 Switch \u00fczerinde yap\u0131land\u0131rm\u0131\u015ft\u0131m.<\/p>\n

KAT-3-Switch-01>Enable
\nKAT-3-Switch-01#Configure Terminal
\nKAT-3-Switch-01(config)#vtp password 123456<\/strong>
\nKAT-3-Switch-01(config)#vtp version 2<\/strong>
\nKAT-3-Switch-01(config)#vtp mode client<\/strong><\/p>\n

\"\"<\/p>\n

5.4-<\/strong> Show VTP Status komutu ile olu\u015fturdu\u011fum VTP yap\u0131s\u0131n\u0131n durum bilgisini g\u00f6r\u00fcnt\u00fcl\u00fcyorum.<\/p>\n

\"\"<\/p>\n

5.5- KAT-2-Switch-01 \u00dczerinde VTP Yap\u0131land\u0131rma<\/h4>\n

KAT-2-Switch-01>Enable
\nKAT-2-Switch-01#Configure Terminal
\nKAT-2-Switch-01(config)#vtp Password 123456<\/strong>
\nKAT-2-Switch-01(config)#vtp version 2<\/strong>
\nKAT-2-Switch-01(config)#vtp Mode client<\/strong><\/p>\n

\"\"<\/p>\n

5.6-<\/strong> Show VTP Status komutu ile olu\u015fturdu\u011fum VTP yap\u0131s\u0131n\u0131n durum bilgisini g\u00f6r\u00fcnt\u00fcl\u00fcyorum.<\/p>\n

\"\"<\/p>\n

5.7- KAT-1-Switch-01 \u00dczerinde VTP Yap\u0131land\u0131rma<\/h4>\n

KAT-1-Switch-01>Enable
\nKAT-1-Switch-01#Configure Terminal
\nKAT-1-Switch-01(config)#vtp Password 112233<\/strong>
\nKAT-1-Switch-01(config)#vtp version 2<\/strong>
\nKAT-1-Switch-01(config)#vtp Mode client<\/strong><\/p>\n

\"\"<\/p>\n

5.8-<\/strong> Show VTP Status komutu ile olu\u015fturdu\u011fum VTP yap\u0131s\u0131n\u0131n durum bilgisini g\u00f6r\u00fcnt\u00fcl\u00fcyorum.<\/p>\n

\"\"<\/p>\n

VTP yap\u0131land\u0131rmas\u0131ndan sonra, Show Vlan komutu ile VLAN’leri g\u00f6r\u00fcnt\u00fclemek istedi\u011fimizde, L3 Switch \u00fczerinde olu\u015fturdu\u011fumuz VLAN bilgilerinin katlardaki Layer2 Switch’lere aktar\u0131ld\u0131\u011f\u0131n\u0131 g\u00f6rebiliyorum.<\/p>\n

5.9-<\/strong> Show Vlan komutu ile KAT-3-Switch-01 \u00dczerinde VLAN durumu.<\/p>\n

\"\"<\/p>\n

5.10-<\/strong> Show Vlan komutu ile KAT-2-Switch-01 \u00dczerinde VLAN durumu.<\/p>\n

\"\"<\/p>\n

5.11-<\/strong> Show Vlan komutu ile KAT-1-Switch-01 \u00dczerinde VLAN durumu.<\/p>\n

\"\"<\/p>\n

6- Switch Port’lara VLAN Tan\u0131mlama<\/h3>\n

Olu\u015fturmu\u015f oldu\u011fumuz VLAN’leri, Trunk yap\u0131s\u0131 ile KAT1, KAT2, ve KAT3’teki Layer2 Switch’lere tan\u0131mlad\u0131ktan sonra, bu VLAN bilgilerini Switch Port<\/strong>‘lara tan\u0131mlayaca\u011f\u0131z.<\/p>\n

6.1- KAT-3-Switch-01 \u00dczerinde Switch Port VLAN Tan\u0131malama<\/h4>\n

3. Katta IT ve IK olmak \u00fczere iki farkl\u0131 departman bulunuyor. Bu departmana ait VLAN bilgileri IT i\u00e7in VLAN 10, IK i\u00e7in ise VLAN 20 \u015feklindedir. IT i\u00e7in VLAN 10, fastEthernet 0\/1’den ba\u015flayarak gigabitEthernet 0\/10’a kadar olan t\u00fcm Port’lar\u0131 VLAN 10 i\u00e7in atayaca\u011f\u0131z. Daha sonra IK i\u00e7in VLAN 20, fastEthernet 0\/11’den ba\u015flayarak gigabitEthernet 0\/20’ye kadar olan t\u00fcm Port’lar\u0131 VLAN 20 i\u00e7in atayaca\u011f\u0131z.<\/p>\n

\"\"<\/p>\n

KAT-3-Switch-01>Enable
\nKAT-3-Switch-01#Configure Terminal
\nKAT-3-Switch-01(config)#Interface Range fastEthernet 0\/1-10<\/strong>
\nKAT-3-Switch-01(config-if-range)#Switchport mode access<\/strong>
\nKAT-3-Switch-01(config-if-range)#Switchport access VLAN 10<\/strong>
\nKAT-3-Switch-01(config-if-range)#exit
\nKAT-3-Switch-01(config)#Interface Range fastEthernet 0\/11-20<\/strong>
\nKAT-3-Switch-01(config-if-range)#Switchport mode access<\/strong>
\nKAT-3-Switch-01(config-if-range)#Switchport access VLAN 20<\/strong><\/p>\n

\u2022 Interface Range fastEthernet 0\/1-10<\/strong> komutu, fastEthernet 0\/1’den ba\u015flayarak fastEthernet 0\/10’a kadar olan Port’lar\u0131 topluca se\u00e7er.
\n\u2022 SwitchPort mode access<\/strong> komutu, se\u00e7ilen Port’un bir eri\u015fim Portu oldu\u011fu belirtilir.
\n\u2022 SwitchPort access VLAN 10<\/strong> komutu, Port’un hangi VLAN\u2019a eri\u015fim Portu oldu\u011fu belirler. Ayn\u0131 i\u015flem, VLAN 20, VLAN 30, VLAN 40, VLAN 50 ve VLAN 60 i\u00e7in de tekrarlanacakt\u0131r.<\/p>\n

\"\"<\/p>\n

6.2- KAT-2-Switch-01 \u00dczerinde Switch Port VLAN Tan\u0131malama<\/h4>\n

2. Katta ARGE ve MUHENDISLIK olmak \u00fczere iki farkl\u0131 departman bulunuyor. Bu departmana ait VLAN bilgileri ARGE i\u00e7in VLAN 30, MUHENDISLIK i\u00e7in ise VLAN 40 \u015feklindedir. ARGE i\u00e7in VLAN 30, fastEthernet 0\/1’den ba\u015flayarak fastEthernet 0\/10’a kadar olan t\u00fcm Port’lar\u0131 VLAN 30 i\u00e7in atayaca\u011f\u0131z. Daha sonra MUHENDISLIK i\u00e7invVLAN 40, fastEthernet 0\/11’den ba\u015flayarak fastEthernet 0\/20’ye kadar olan t\u00fcm Port’lar\u0131 VLAN 40 i\u00e7in atayaca\u011f\u0131z.<\/p>\n

\"\"<\/p>\n

KAT-2-Switch-01>Enable
\nKAT-2-Switch-01#Configure Terminal
\nKAT-2-Switch-01(config)#Interface Range fastEthernet 0\/1-10<\/strong>
\nKAT-2-Switch-01(config-if-range)#Switchport mode access<\/strong>
\nKAT-2-Switch-01(config-if-range)#Switchport access VLAN 30<\/strong>
\nKAT-2-Switch-01(config-if-range)#exit
\nKAT-2-Switch-01(config)#Interface Range fastEthernet 0\/11-20<\/strong>
\nKAT-2-Switch-01(config-if-range)#Switchport mode access<\/strong>
\nKAT-2-Switch-01(config-if-range)#Switchport access VLAN 40<\/strong><\/p>\n

\"\"<\/p>\n

6.3- KAT-1-Switch-01 \u00dczerinde Switch Port VLAN Tan\u0131malama<\/h4>\n

3. Katta FINANS ve YONETIM olmak \u00fczere iki farkl\u0131 departman bulunuyor. Bu departmana ait VLAN bilgileri FINANS i\u00e7in VLAN 50, YONETIM i\u00e7in ise VLAN 60 \u015feklindedir. FINANS i\u00e7in VLAN 50 fastEthernet 0\/1’den ba\u015flayarak fastEthernet 0\/10’a kadar olan t\u00fcm Port’lar\u0131 VLAN 50 i\u00e7in atayaca\u011f\u0131z. Daha sonra YONETIM i\u00e7in VLAN 60 fastEthernet 0\/11’den ba\u015flayarak fastEthernet 0\/20’ye kadar olan t\u00fcm Port’lar\u0131 VLAN 60 i\u00e7in atayaca\u011f\u0131z.<\/p>\n

\"\"<\/p>\n

KAT-1-Switch-01>Enable
\nKAT-1-Switch-01#Configure Terminal
\nKAT-1-Switch-01(config)#Interface Range fastEthernet 0\/1-10<\/strong>
\nKAT-1-Switch-01(config-if-range)#Switchport mode access<\/strong>
\nKAT-1-Switch-01(config-if-range)#Switchport access VLAN 50<\/strong>
\nKAT-1-Switch-01(config-if-range)#exit
\nKAT-1-Switch-01(config)#Interface Range fastEthernet 0\/11-20<\/strong>
\nKAT-1-Switch-01(config-if-range)#Switchport mode access<\/strong>
\nKAT-1-Switch-01(config-if-range)#Switchport access VLAN 60<\/strong><\/p>\n

\"\"<\/p>\n

Katlardaki Layer2 Switch’ler \u00fczerinde Switch Port VLAN Tan\u0131malama i\u015flemlerini tamamlad\u0131ktan sonra, Show Vlan komutu ile VLAN’leri g\u00f6r\u00fcnt\u00fclemek istedi\u011fimizde, VLAN’lerin ilgili Switch Port’lara atand\u0131\u011f\u0131n\u0131 g\u00f6rebiliyorum.<\/p>\n

6.4-<\/strong> Show Vlan komutu ile KAT-3-Switch-01 \u00dczerinde Switch Port’lara atanan VLAN’ler<\/p>\n

\"\"<\/p>\n

6.5-<\/strong> Show Vlan komutu ile KAT-2-Switch-01 \u00dczerinde Switch Port’lara atanan VLAN’ler<\/p>\n

\"\"<\/p>\n

6.6-<\/strong> Show Vlan komutu ile KAT-1-Switch-01 \u00dczerinde Switch Port’lara atanan VLAN’ler<\/p>\n

\"\"<\/p>\n

7- VLAN IP Atamas\u0131 ve VLAN’ler Aras\u0131 Routing<\/h3>\n

Server \u00fczerinde ilgili DHCP Scope’lar\u0131m\u0131 olu\u015fturduktan sonra, Backbone Switch \u00dczerinde VLAN’lere IP atamas\u0131 ve VLAN’ler aras\u0131nda IP Routing i\u015flemi ger\u00e7ekle\u015ftirme i\u015flemine ge\u00e7iyorum.<\/p>\n

7.1-<\/strong> \u0130lk olarak,\u00a0ip routing<\/strong>\u00a0komutu ile VLAN’ler aras\u0131 ileti\u015fimi sa\u011flayaca\u011f\u0131z Her\u00a0VLAN IP adresi atama i\u015flemi i\u00e7in tekrar tekrar IP Routing komutu<\/strong> yaz\u0131lmayacakt\u0131r. Bu sebeple Bu komut, sadece bir kez yaz\u0131lmal\u0131d\u0131r. Bu komut yaz\u0131lmazsa, farkl\u0131 Network’lerdeki VLAN’ler birbirleri ile haberle\u015femezler.<\/p>\n

7.2-<\/strong> Daha sonras\u0131nda ise, ip address<\/strong> komutu ile VLAN’lere tek tek IP adres atamas\u0131 yaparak, ilgili VLAN’lere VLAN IP adresi<\/strong> tan\u0131mlama\u00a0i\u015flemini yapaca\u011f\u0131z. Bu VLAN IP adresi tan\u0131mlama i\u015flemi, L3 Switch’in ilgili VLAN’ine bakan IP adesi yani Default Gateway<\/strong> IP adresi olacakt\u0131r.<\/p>\n

7.3-<\/strong> Son olarak, t\u00fcm Client PC’lerin hangi DHCP sunucusundan IP adresi bilgisini alacaklar\u0131n\u0131 \u00f6\u011fretmemiz gerekiyor. Bunun i\u00e7in\u00a0ip helper-address<\/strong> komutunu kullanarak Client PC’lere kendi VLAN Network ID bilgilerine g\u00f6re DHCP Server Scope’lar\u0131nda haz\u0131rlanm\u0131\u015f olan\u00a0IP adreslerini almalar\u0131n\u0131 sa\u011flayaca\u011f\u0131z.<\/p>\n

\u25cf VLAN IP adresleri yani VLAN Default Gateway IP adresleri a\u015fa\u011f\u0131daki gibidir.
\nip adress 10.10.10<\/strong>.254 255.255.255.0
\nip adress 10.10.20<\/strong>.254 255.255.255.0
\nip adress 10.10.30<\/strong>.254 255.255.255.0
\nip adress 10.10.40<\/strong>.254 255.255.255.0
\nip adress 10.10.50<\/strong>.254 255.255.255.0
\nip adress 10.10.60<\/strong>.254 255.255.255.0<\/p>\n

\u25cf DHCP Server IP adresi a\u015fa\u011f\u0131daki gibidir.
\nip helper-address 10.10.10.100<\/strong><\/p>\n

7.4-<\/strong> VLAN’ler i\u00e7in IP adresi atamas\u0131
\nL3-Switch-01>Enable
\nL3-Switch-01#Configure Terminal
\nL3-Switch-01(config)#ip routing<\/strong>
\nL3-Switch-01(config)#interface VLAN 10<\/strong>
\nL3-Switch-01(config-if)#ip address 10.10.10.254 255.255.255.0<\/strong>
\nL3-Switch-01(config-if)#ip helper-address 10.10.10.100<\/strong>
\nL3-Switch-01(config-if)#Exit
\nL3-Switch-01(config)#interface VLAN 20<\/strong>
\nL3-Switch-01(config-if)#ip address 10.10.20.254 255.255.255.0<\/strong>
\nL3-Switch-01(config-if)#ip helper-address 10.10.10.100<\/strong>
\nL3-Switch-01(config-if)#Exit
\nL3-Switch-01(config)#interface VLAN 30<\/strong>
\nL3-Switch-01(config-if)#ip address 10.10.30.254 255.255.255.0<\/strong>
\nL3-Switch-01(config-if)#ip helper-address 10.10.10.100<\/strong>
\nL3-Switch-01(config-if)#Exit
\nL3-Switch-01(config)#interface VLAN 40<\/strong>
\nL3-Switch-01(config-if)#ip address 10.10.40.254 255.255.255.0<\/strong>
\nL3-Switch-01(config-if)#ip helper-address 10.10.10.100<\/strong>
\nL3-Switch-01(config-if)#Exit
\nL3-Switch-01(config)#interface VLAN 50<\/strong>
\nL3-Switch-01(config-if)#ip address 10.10.50.254 255.255.255.0<\/strong>
\nL3-Switch-01(config-if)#ip helper-address 10.10.10.100<\/strong>
\nL3-Switch-01(config-if)#Exit
\nL3-Switch-01(config)#interface VLAN 60<\/strong>
\nL3-Switch-01(config-if)#ip address 10.10.60.254 255.255.255.0<\/strong>
\nL3-Switch-01(config-if)#ip helper-address 10.10.10.100<\/strong><\/p>\n

\"\"<\/p>\n

T\u00fcm bu VLAN yap\u0131land\u0131rma ayarlar\u0131 tek tek yap\u0131ld\u0131ktan sonra DHCP Server \u00fczerinde her VLAN i\u00e7in Scope’lar olu\u015fturarak, Client PC’lerin kendi VLAN ID’lerine ait Scope’lardan IP adresi almalar\u0131n\u0131 sa\u011flaman\u0131z gerekiyor.<\/p>\n

Kaynak: F\u0131rat Boyan Bilgi Teknolojileri Platformu<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

VLAN yani Sanal Yerel Alan A\u011f\u0131, bir LAN (Local Area Network) Network’\u00fc \u00fczerindeki kaynaklar\u0131n Switch Port’lar \u00fczerinde mant\u0131ksal olarak grupland\u0131r\u0131lmas\u0131 ile yap\u0131l\u0131r. VLAN kullan\u0131m\u0131 ile Network \u00fczerindeki gereksiz Broadcast trafi\u011fi azalt\u0131larak Bandwith (bant geni\u015fli\u011fi) art\u0131r\u0131lm\u0131\u015f olur. Ba\u015fka bir ifade ile VLAN, Network trafi\u011finde dola\u015fan Data paketlerini t\u00fcm Switch Port’lar\u0131na da\u011f\u0131taca\u011f\u0131 i\u00e7in Switch Port’lar\u0131na ba\u011fl\u0131 t\u00fcm […]<\/p>\n","protected":false},"author":1,"featured_media":4327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[675,676,677,678,679,680,681,682,683,684,685,686],"class_list":["post-4264","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network","tag-cisco","tag-encapsulation","tag-ip-routing","tag-switch","tag-virtual-local-area-network","tag-vlan-ipi","tag-vlan-olusturma","tag-vlan-routing","tag-vlan-trunk","tag-vlan-yapilandirma","tag-vtp-olusturma","tag-vtp-yapilandirma"],"yoast_head":"\nVLAN (Virtual Local Area Network) Nedir? 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