© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 1 Implement VTP LAN Switching and Wireless – Chapter 4

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 2 Objectives  Explain the role of VTP in a converged switched network  Describe the operation of VTP: VTP domains, VTP Modes, VTP Advertisements, and VTP Pruning.  Configure VTP on the switches in a converged network.

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 3 Explain the Role of VTP in a Converged Switched Network  Explain the role of VTP in a multi-switch network

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 4 VTP modes and domain There are three modes available for VTP Server Client Transparent

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 5 Describe the Operation of VTP  Describe the importance of the default VTP configuration

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 6 Describe the Operation of VTP  Explain the role of domains in VTP

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 7 Describe the Operation of VTP  Describe how VTP exchanges domain and VLAN information between switches in the same VTP domain

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 8 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

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 9 Describe the Operation of VTP  Explain how VTP pruning functions

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 10 Configure VTP on the Switches in a Converged Network  Configure VTP on a Cisco Catalyst Switch Switch(config)# vtp mode server Switch(config)# vtp mode client Switch(config)# vtp mode transparent Switch(config)# vtp domain TEST

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 11 Configure VTP on the Switches in a Converged Network  Identify and troubleshoot common VTP configuration problems

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 12 Summary  VTP is a Cisco proprietary protocol used to exchange VLAN information across trunk links.  A switch can be in one of 3 VTP operating modes Client Cannot create, modify or delete VLAN Server Can create, modify & delete VLAN Transparent Can create, modify, & delete LOCAL VLAN Forwards VTP advertisements.

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 13 Summary  VTP pruning Limits unnecessary dissemination of VLAN information.  Verify VTP configuration Show VTP status Show interfaces trunk

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 14 Implement Inter- VLAN Routing LAN Switching and Wireless – Chapter 6

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 15 Objectives  Explain to the satisfaction of a qualified instructor how network traffic is routed between VLANs in a converged network.  Configure inter-VLAN routing on a router to enable communications between end-user devices on separate VLANs  Troubleshoot common inter-VLAN connectivity issues.

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 16 Explain How Network Traffic is Routed Between VLANs in a Converged Network  Describe the routing options between VLANs

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 17 Configure Inter-VLAN Routing  Describe the steps to configure inter-VLAN routing

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 18 Configure Inter-VLAN Routing  Describe the steps to configure inter-VLAN routing SWR(config)# ip routing SWR(config)# interface vlan 10 SWR(config-if)# ip address SWR(config-if)# no shutdown SWR(config)# interface vlan 30 SWR(config-if)# ip address SWR(config-if)# no shutdown

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 19 Explain How Network Traffic is Routed Between VLANs in a Converged Network  Describe the role of interfaces and subinterfaces in supporting inter-VLAN routing

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 20 Configure Inter-VLAN Routing  Describe the steps to configure inter-VLAN routing R1(config)# interface F0/0 R1(config-if)# no shutdown R1(config)# interface F0/0.10 R1(config-subif)# encapsulation dot1q 10 R1(config-subif)# ip address R1(config)# interface F0/0.30 R1(config-subif)# encapsulation dot1q 30 R1(config-subif)# ip address

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 21 Troubleshoot Common Inter-VLAN Connectivity Issues  Describe the common switch configuration Issues

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 22 Troubleshoot Common Inter-VLAN Connectivity Issues  Describe the common router configuration issues

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 23 Troubleshoot Common Inter-VLAN Connectivity Issues  Describe the common IP Addressing Issues

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 24 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

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 25 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

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 26 Implement Spanning Tree Protocols LAN Switching and Wireless – Chapter 5

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 27 Objectives  Explain the role of redundancy in a converged network  Summarize how STP works to eliminate Layer 2 loops in a converged network  Explain how the STP algorithm uses three steps to converge on a loop-free topology  Implement rapid per VLAN spanning tree (rapid PVST+) in a LAN to prevent loops between redundant switches.

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 28 Explain the Role of Redundancy in a Converged Switched Network  Describe the role redundancy in a hierarchical network

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 29 Explain the Role of Redundancy in a Converged Switched Network  Describe how redundancy can disable a hierarchical network

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 30 Explain the Role of Redundancy in a Converged Switched Network  Explain how Layer 2 loops occur in well managed networks S1 S2 S3 S4 S5 S6S1 S2 S3 S4 S5 S6

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 31 Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network  Describe the STP port roles

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 32 Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network  Explain the role of the BPDU in STP

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 33 Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network  Explain the role of the BID in STP

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 34 Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network  Describe the how port roles support the operation of STP

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 35 Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network  Describe the role of STP port states and BPDU timers in the operation of STP

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 36 Explain How the STP Algorithm Uses Three Steps to Converge on a Loop-Free Topology  Define convergence for a switched network and summarize the 3 step process STP uses to create a loop free topology

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 37 Explain How the STP Algorithm Uses Three Steps to Converge on a Loop-Free Topology  Explain the STP decision sequence is used to elect a root bridge for a network

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 38 Explain How the STP Algorithm Uses Three Steps to Converge on a Loop-Free Topology  Describe the process of electing a root port on a switch

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 39 Explain How the STP Algorithm Uses Three Steps to Converge on a Loop-Free Topology  Describe the process of electing designated ports and non-designated ports on a switch

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 40 Implement STP  Special cases S2S1 MAC: 00:c0:df:f9:cc:40 Spanning-tree PVST priority: MAC: 00:00:aa:bb:cc:dd Spanning-tree PVST priority: 4096 ROOT BRIDGE Designated Port Root Port Non-Designated (alternate) Port Fa0/1 Gi0/1 Fa0/1 Gi0/1 Cost=19 Cost=10 Fa0/2 Cost=19 PID = Port ID PID = Port Priority. Port number –––––––––––––––––––––––––– PID(Fa0/1) = PID(Fa0/2) =

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 41 Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN  Summarize the features of the PVST+, RSTP and rapid PVST+ variants of STP

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 42 Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN  Describe the features of PVST+

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 43 Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN  Describe RSTP edge ports

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 44 Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN  Describe the RSTP link types

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 45 Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN  Describe the RSTP port states and port roles

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 46 Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN  Describe how to configure rapid PVST+

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 47 Summary  Spanning Tree Protocol (STP) is used to prevent loops from being formed on redundant networks  STP uses different port states & timers to logically prevent loops  There is at least one switch in a network that serves as the root bridge Root bridge is elected using information found in BPDU frames  Root ports are determined by the spanning tree algorithm and are closest to the root bridge

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 48 Summary  STP lengthy convergence time (50 seconds) facilitated the development of: RSTP convergence time is slightly over 6 seconds Rapid PVST+ adds VLAN support to RSTP is the preferred spanning-tree protocol on a Cisco switch netowrk

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 49 Záver prezentácie Ďakujem za pozornosť. Moderné vzdelávanie pre vedomostnú spoločnosť. Projekt je spolufinancovaný zo zdrojov EÚ.