VLAN
Contents
What is VLAN?
router
Main goals
VLAN TECHNIQUES
Vlan configurations
Static vlans
Dynamic vlans
Types of traffic on a vlan
Configuring ports
BENEFITS OF VLAN
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VLAN Virtual Local Area Network

1. VLAN

Virtual Local Area Network

2. Contents

CONTENTS
What is VLAN?
Router
Main goals
VLAN techniques
VLAN configurations
Static VLANs
Dynamic VLANs
Types of traffic on a VLAN
• Configuring ports
• Benefits of VLAN

3. What is VLAN?

WHAT IS VLAN?
A virtual local area network (VLAN) is a network on which users are enabled
to share a more visual sense of community through high band-width
connections.

4. router

ROUTER

5. Main goals

MAIN GOALS
• connectivity
• security
• management

6. VLAN TECHNIQUES

Two techniques:
• Frame Filtering --examines particular information about each frame (MAC
address or layer 3 protocol type)
• Frame Tagging --places a unique identifier in the header of each frame as it is
forwarded throughout the network backbone.

7. Vlan configurations

VLAN CONFIGURATIONS
Statically
Dynamically
• Network administrators
configure port-by-port
• Each port is associated with a
specific VLAN
• The network administrator is
responsible for keying in the
mappings between the ports
and VLANs
• The ports are able to
dynamically work out VLAN
configuration
• Uses of software database of
MAC address to VLAN
mappings

8. Static vlans

STATIC VLANS
Static membership VLANs calls port-based and port-centric

9. Dynamic vlans

DYNAMIC VLANS
Dynamic VLANs allow for membership based on MAC address to the device
connected to the switch port.
This VLANs are created through network management software

10. Types of traffic on a vlan

TYPES OF TRAFFIC ON A VLAN
• Data
• Voice
• Network protocol
• Network management

11. Configuring ports

CONFIGURING PORTS

12. BENEFITS OF VLAN

• Performance
• Formation of Virtual Workgroups
• Simplified Administration
• Reduced Cost
• Security

13.

Thank you
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