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Implement VTP

Implement VTP. LAN Switching and Wireless – Chapter 4. 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.

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Implement VTP

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  1. Implement VTP LAN Switching and Wireless– Chapter 4

  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.

  3. Explain the Role of VTP in a Converged Switched Network • Explain the role of VTP in a multi-switch network

  4. VTP modes and domain There are three modes available for VTP • Server • Client • Transparent

  5. Describe the Operation of VTP • Describe the importance of the default VTP configuration

  6. Describe the Operation of VTP • Explain the role of domains in VTP

  7. Describe the Operation of VTP • Describe how VTP exchanges domain and VLAN information between switches in the same VTP domain

  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

  9. Describe the Operation of VTP • Explain how VTP pruning functions

  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

  11. Configure VTP on the Switches in a Converged Network • Identify and troubleshoot common VTP configuration problems

  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.

  13. Summary • VTP pruning • Limits unnecessary dissemination of VLAN information. • Verify VTP configuration • Show VTP status • Show interfaces trunk

  14. Implement Inter-VLAN Routing LAN Switching and Wireless– 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.

  16. Explain How Network Traffic is Routed Between VLANs in a Converged Network • Describe the routing options between VLANs

  17. Configure Inter-VLAN Routing • Describe the steps to configure inter-VLAN routing

  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 172.17.10.1 255.255.255.0 SWR(config-if)# no shutdown SWR(config)# interface vlan 30 SWR(config-if)# ip address 172.17.30.1 255.255.255.0 SWR(config-if)# no shutdown

  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

  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 172.17.10.1 255.255.255.0 R1(config)# interface F0/0.30 R1(config-subif)# encapsulation dot1q 30 R1(config-subif)# ip address 172.17.30.1 255.255.255.0

  21. Troubleshoot Common Inter-VLAN Connectivity Issues • Describe the common switch configuration Issues

  22. Troubleshoot Common Inter-VLAN Connectivity Issues • Describe the common router configuration issues

  23. Troubleshoot Common Inter-VLAN Connectivity Issues • Describe the common IP Addressing Issues

  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

  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

  26. Implement Spanning Tree Protocols LAN Switching and Wireless– Chapter 5

  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.

  28. Explain the Role of Redundancy in a Converged Switched Network • Describe the role redundancy in a hierarchical network

  29. Explain the Role of Redundancy in a Converged Switched Network • Describe how redundancy can disable a hierarchical network

  30. S1 S1 S2 S2 S3 S3 S4 S4 S5 S5 S6 S6 Explain the Role of Redundancy in a Converged Switched Network • Explain how Layer 2 loops occur in well managed networks

  31. Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network • Describe the STP port roles

  32. Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network • Explain the role of the BPDU in STP

  33. Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network • Explain the role of the BID in STP

  34. Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network • Describe the how port roles support the operation of STP

  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

  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

  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

  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

  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

  40. S2 S1 Implement STP • Special cases MAC: 00:c0:df:f9:cc:40 Spanning-tree PVST priority: 32768 ROOT BRIDGE Cost=19 PID = Port ID PID = Port Priority . Port number –––––––––––––––––––––––––– PID(Fa0/1) = 128 . 1 PID(Fa0/2) = 128 . 2 Fa0/1 Fa0/1 Fa0/2 Gi0/1 Gi0/1 Fa0/2 Cost=19 Cost=10 MAC: 00:00:aa:bb:cc:dd Spanning-tree PVST priority: 4096 Designated Port Root Port Non-Designated (alternate) Port

  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

  42. Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN • Describe the features of PVST+

  43. Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN • Describe RSTP edge ports

  44. Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN • Describe the RSTP link types

  45. Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN • Describe the RSTP port states and port roles

  46. Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN • Describe how to configure rapid PVST+

  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

  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

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