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CET – IMRSI

VLANS
Definition, considerations

VPT
Inter-VLAN Routing

Ricardo Vardasca [ DEI – ESTG ]

Arquitecturas de Redes e Serviços Telemáticos

Explain the Role of VLANs in a Converged Network
• Explain the role of VLANs in a converged network

ARST (CET – IMRSI )

Ricardo Vardasca
2

DEI - ESTG

Explain the Role of VLANs in a Converged Network
• Describe the different types VLANs

ARST (CET – IMRSI )

Ricardo Vardasca
3

DEI - ESTG

Explain the Role of VLANs in a Converged Network • Describe the VLAN port membership modes ARST (CET – IMRSI ) Ricardo Vardasca 4 DEI .ESTG .

Explain the Role of VLANs in a Converged Network • Describe how to manage broadcast domains with VLANs ARST (CET – IMRSI ) Ricardo Vardasca 5 DEI .ESTG .

ESTG .Explain the Role of Trunking VLANs in a Converged Network • Explain the role of a trunk when using multiple VLANs in a converged network ARST (CET – IMRSI ) Ricardo Vardasca 6 DEI .

Explain the Role of Trunking VLANs in a Converged Network • Describe how a trunk works ARST (CET – IMRSI ) Ricardo Vardasca 7 DEI .ESTG .

ESTG .Explain the Role of Trunking VLANs in a Converged Network • Describe the switch port trunking modes ARST (CET – IMRSI ) Ricardo Vardasca 8 DEI .

ESTG .Configure VLANs on the Switches in a Converged Network Topology • Describe the steps to configure trunks and VLANs ARST (CET – IMRSI ) Ricardo Vardasca 9 DEI .

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 ARST (CET – IMRSI ) Ricardo Vardasca 10 DEI .ESTG .

Configure VLANs on the Switches in a Converged Network Topology • Describe the Cisco IOS commands used to manage VLANs on a Cisco Catalyst switch ARST (CET – IMRSI ) Ricardo Vardasca 11 DEI .ESTG .

ESTG .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 ARST (CET – IMRSI ) Ricardo Vardasca 12 DEI .

ESTG .Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs • Describe the common problems with VLANs and trunks ARST (CET – IMRSI ) Ricardo Vardasca 13 DEI .

Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs • Describe the common problems with VLANs and trunks ARST (CET – IMRSI ) Ricardo Vardasca 14 DEI .ESTG .

Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs • Describe how to use the troubleshooting procedure to fix a common problem with VLAN configurations ARST (CET – IMRSI ) Ricardo Vardasca 15 DEI .ESTG .

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 Cost reduction. security. better management ARST (CET – IMRSI ) Ricardo Vardasca 16 DEI . higher performance.ESTG .

Summary • Types of Traffic on a VLAN include – Data – Voice – Network protocol – Network management • Communication between different VLANs requires the use of – Routers ARST (CET – IMRSI ) Ricardo Vardasca 17 DEI .ESTG .

Summary • Trunks A common conduit used by multiple VLANS for intra-VLAN communication • EEE 802.ESTG .1Q The standard trunking protocol Uses frame tagging to identify the VLAN to which a frame belongs Does not tag native VLAN traffic ARST (CET – IMRSI ) Ricardo Vardasca 18 DEI .

Explain the Role of VTP in a Converged Switched Network • Explain the role of VTP in a multi-switch network ARST (CET – IMRSI ) Ricardo Vardasca 19 DEI .ESTG .

Describe the Operation of VTP • Describe the importance of the default VTP configuration ARST (CET – IMRSI ) Ricardo Vardasca 20 DEI .ESTG .

Describe the Operation of VTP • Explain the role of domains in VTP ARST (CET – IMRSI ) Ricardo Vardasca 21 DEI .ESTG .

ESTG .Describe the Operation of VTP • Describe how VTP exchanges domain and VLAN information between switches in the same VTP domain ARST (CET – IMRSI ) Ricardo Vardasca 22 DEI .

ESTG .Describe the Operation of VTP • Describe the role VTP modes play in enabling VTP to distribute and synchronize domain and VLAN configuration information in a network ARST (CET – IMRSI ) Ricardo Vardasca 23 DEI .

Describe the Operation of VTP • Explain how VTP pruning functions ARST (CET – IMRSI ) Ricardo Vardasca 24 DEI .ESTG .

Configure VTP on the Switches in a Converged Network • Configure VTP on a Cisco Catalyst Switch ARST (CET – IMRSI ) Ricardo Vardasca 25 DEI .ESTG .

Configure VTP on the Switches in a Converged Network • Identify and troubleshoot common VTP configuration problems ARST (CET – IMRSI ) Ricardo Vardasca 26 DEI .ESTG .

ESTG .Configure VTP on the Switches in a Converged Network • Manage VLANs on a VTP enabled network ARST (CET – IMRSI ) Ricardo Vardasca 27 DEI .

• A switch can be in one of 3 VTP operating modes – Client • Cannot create.Summary • VTP is a Cisco proprietary protocol used to exchange VLAN information across trunk links. ARST (CET – IMRSI ) Ricardo Vardasca 28 DEI . modify.ESTG . modify or delete VLAN – Server • Can create. modify & delete VLAN – Transparent – Can create. & delete LOCAL VLAN – Forwards VTP advertisements.

Summary • VTP pruning – Limits unnecessary dissemination of VLAN information.ESTG . • Verify VTP configuration – Show VTP status – Show interfaces trunk ARST (CET – IMRSI ) Ricardo Vardasca 29 DEI .

ESTG .Explain How Network Traffic is Routed Between VLANs in a Converged Network • Describe the routing options between VLANs ARST (CET – IMRSI ) Ricardo Vardasca 30 DEI .

Explain How Network Traffic is Routed Between VLANs in a Converged Network • Describe the role of interfaces and subinterfaces in supporting inter-VLAN routing ARST (CET – IMRSI ) Ricardo Vardasca 31 DEI .ESTG .

Configure Inter-VLAN Routing • Describe the steps to configure interVLAN routing ARST (CET – IMRSI ) Ricardo Vardasca 32 DEI .ESTG .

Configure Inter-VLAN Routing • Describe the steps to configure interVLAN routing ARST (CET – IMRSI ) Ricardo Vardasca 33 DEI .ESTG .

Troubleshoot Common InterVLAN Connectivity Issues • Describe the common switch configuration Issues ARST (CET – IMRSI ) Ricardo Vardasca 34 DEI .ESTG .

Troubleshoot Common InterVLAN Connectivity Issues • Describe the common router configuration issues ARST (CET – IMRSI ) Ricardo Vardasca 35 DEI .ESTG .

Troubleshoot Common InterVLAN Connectivity Issues • Describe the common IP Addressing Issues ARST (CET – IMRSI ) Ricardo Vardasca 36 DEI .ESTG .

Summary • Inter-VLAN routing is the process of routing information between VLANs • Inter-VLAN routing requires the use of a router or a layer 3 switch • Traditional inter-VLAN routing – Requires multiple router interfaces that are each connected to separate VLANs ARST (CET – IMRSI ) Ricardo Vardasca 37 DEI .ESTG .

ESTG .Summary • Router on a stick – this is an inter-VLAN routing topology that uses router sub interfaces connected to a layer 2 switch. – Each Subinterface must be configured with: – An IP address – Associated VLAN number • Configuration of inter VLAN routing – Configure switch ports connected to router with correct VLAN – Configure each router subinterface with the correct IP address & VLAN ID • Verify configuration on switch and router ARST (CET – IMRSI ) Ricardo Vardasca 38 DEI .