VLAN and INTERVLAN

What is VLAN and INTERVLAN? Why do we use these techniques?
What are the differences between STP, RSTP and MSTP?

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gurbirks

  • Nov 28th, 2008
 

VLAN(Virtual Local Area Network) is a logical grouping of network users and resources connected to administratively defined ports on a switch. VLAN's break up broadcast domains in layer 2 switch network.Virtual LANs (VLANs) divide one physical network into multiple broadcast domains. But, VLAN-enabled switches cannot by themselves, forward traffic across VLAN boundaries. So you need to have routing between these VLANs which is called interVLAN routing. You can achieve this by using either a Layer 3 switch or a router.

mllhzaheer

  • Jul 9th, 2009
 

VLAN are used to segment your network eliminate broadcast it is also used for security purpose.

VLAN of sales department cannot access VLAN of finance department.

InterVLANs are used to create VLAN to VLANs.

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