exploration lan switching chapter3.ppt - leaman.org · cisco public 1 lan switching and wireless...
TRANSCRIPT
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VLANs
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE I Chapter 6 1
LAN Switching and Wireless – Chapter 3
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Objectives
� Explain the role of VLANs in a converged network.
� Explain the role of trunking VLANs in a converged network.
� Configure VLANs on the switches in a converged network topology.
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 2
network topology.
� Troubleshoot the common software or hardware misconfigurations associated with VLANs on switches in a converged network topology.
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Explain the Role of VLANs in a Converged Network
� Explain the role of VLANs in a converged network
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 3
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Explain the Role of VLANs in a Converged Network
� Describe the different types VLANs
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 4
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Explain the Role of VLANs in a Converged Network
� Describe the VLAN port membership modes
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 5
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Explain the Role of VLANs in a Converged Network
� Describe how to manage broadcast domains with VLANs
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 6
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Explain the Role of Trunking VLANs in a Converged Network
� Explain the role of a trunk when using multiple VLANs in a converged network
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 7
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Explain the Role of Trunking VLANs in a Converged Network
� Describe how a trunk works
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 8
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Explain the Role of Trunking VLANs in a Converged Network
� Describe the switch port trunking modes
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 9
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Configure VLANs on the Switches in a Converged Network Topology
� Describe the steps to configure trunks and VLANs
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 10
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Configure VLANs on the Switches in a Converged Network Topology
� Describe the Cisco IOS commands used to create a VLAN on a Cisco Catalyst switch
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 11
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Configure VLANs on the Switches in a Converged Network Topology
� Describe the Cisco IOS commands used to manage VLANs on a Cisco Catalyst switch
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 12
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Configure VLANs on the Switches in a Converged Network Topology
� Describe the Cisco IOS commands used to create a trunk on a Cisco Catalyst switch
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 13
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Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs
� Describe the common problems with VLANs and trunks
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 14
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� Describe the common problems with VLANs and trunks
Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 15
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� Describe how to use the troubleshooting procedure to fix a common problem with VLAN configurations
Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 16
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Summary
� VLANS
Allows an administrator to logically group devices that act as their own network
Are used to segment broadcast domains
Some benefits of VLANs include
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 17
Some benefits of VLANs include
Cost reduction, security, higher performance, better management
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Summary
� Types of Traffic on a VLAN include
Data
Voice
Network protocol
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 18
Network management
� Communication between different VLANs requires the use of
Routers
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Summary
� Trunks
A common conduit used by multiple VLANS for intra-VLAN communication
� EEE 802.1Q
© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 19
� EEE 802.1Q
The standard trunking protocol
Uses frame tagging to identify the VLAN to which a frame belongs
Does not tag native VLAN traffic
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 20