Illustrate a scenario where you think that VLAN trunking is effective. With appropriate diagrams, discuss the...

Illustrate a scenario where you think that VLAN trunking is effective. With appropriate diagrams, discuss the IEEE802.1Q protocol.

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VLAN (Virtual Local Area Network) Trunk

A LAN is a group of computers and devices that shares a communication line or wireless link to a server within the same geographical area.

A VLAN is a subnetwork which can group together collections of devices on separate physical local area network.

It is very important because the overall performance of a network by grouping together devices which communicate very frequently. And it support logical connections rather than physical so, it is very flexible one.

There are many types of VLANS:

1. Protocol VLAN

2. Static VLAN

3. Dynamic VLAN

Protocol VLAN

As the name suggest it is a protocol based VLAN. That is the traffic is handled based on its protocol. A switch will used to segregate the traffic-based protocol.

Static VLAN

It is also referred as port based VLAN. Here it needs a network administrator who is to assign the port on network switch to a virtual network.

Dynamic VLAN

The network administrator will define the network membership based on device characteristics, as opposed to switch port location.

Each VLAN provides a datalink access to all the hosts connected with switch port and also, they are in the same VLAN ID. The VLAN is tagged by the IEEE 802.1Q (Institute of Electrical and Electronic Engineers).

VLAN Trunk

VLAN Trunk is a link between multiple VLANs which is used to tag to keep them segregated. One the tag reached the destination switch port, the VLAN tag is removed before the frame is transmitted to the destination device.

A Trunk is a point to point link between network devices which is associated with more than one VLAN. So, with VLAN trunking we can extend our network. It is mainly used for FastEthernet and GigabitEthernet.

So, for connecting or configure the VLAN trunk using a protocol called VLAN Trunking Protocol (VTP).

To connect VLAN trunk we need VTP as its protocol and VLAN ID and VLAN Name.

The IEEE802.1Q is a tag which provide VLAN Trunk. It is also called dot1Q or Generic Attribute Registration Protocol.

It is commonly used in Cisco network.

venereology answered 1 year ago

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