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# Cap5 stp

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• Graphic 5.1.1.2
• Graphics 5.1.3.1 &amp; 5.1.3.2
• Graphic 5.2.1.1
• Graphic 5.2.1.2
• Graphic 5.2.2.1
• Graphic 5.2.3.1
• Graphic 5.2.4.1
• Graphic 5.2.5.2
• Objective for the slide: Define convergence for a switched network and summarize the 3 step process STP uses to create a loop free topology Graphic 5.3.1.1
• Graphic 5.3.2.1
• Graphic 5.3.3.1
• Graphic 5.3.4.1 – try to put in as many of the steps as you can
• Graphic 5.4.1.1
• Graphic 5.4.2.1 &amp; 5.4.2.2
• Graphic 5.4.3.1 (characteristics)
• Graphic 5.4.4.1
• Graphic 5.4.5.1
• Graphic 5.4.6.1 try to use all 3 but if you can’t then use the description graphic
• Graphic 5.4.7.1 try to use both the configuration commands and the example configuration. If you can’t then use the example.
• ### Cap5 stp

1. 1. Implement Spanning Tree Protocols LAN Switching and Wireless – Chapter 5
2. 2. Objectives <ul><li>Explain the role of redundancy in a converged network </li></ul><ul><li>Summarize how STP works to eliminate Layer 2 loops in a converged network </li></ul><ul><li>Explain how the STP algorithm uses three steps to converge on a loop-free topology </li></ul><ul><li>Implement rapid per VLAN spanning tree (rapid PVST+) in a LAN to prevent loops between redundant switches. </li></ul>
3. 3. Explain the Role of Redundancy in a Converged Switched Network
4. 4. How redundancy can disable a hierarchical network
5. 5. How Layer 2 loops occur in well managed networks
6. 6. Summarize How STP works to Eliminate Layer 2 Loops in a Converged Network
7. 7. The role of the BPDU in STP
8. 8. Explain the role of the BID in STP
9. 9. Describe the how port roles support the operation of STP
10. 10. STP port states and BPDU timers
11. 11. Explain How the STP Algorithm Uses Three Steps to Converge on a Loop-Free Topology
12. 12. STP decision sequence is used to elect a root bridge for a network
13. 13. The process of electing a root port on a switch
14. 14. The process of electing designated ports and non-designated ports
15. 15. Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN
16. 16. Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN
17. 17. Implement Rapid per VLAN Spanning Tree (rapid PVST+) in a LAN
18. 18. Describe RSTP edge ports
19. 19. Describe the RSTP link types
20. 20. Describe the RSTP port states and port roles
21. 21. Describe how to configure rapid PVST+
22. 22. Summary <ul><li>Spanning Tree Protocol (STP) is used to prevent loops from being formed on redundant networks </li></ul><ul><li>STP uses different port states & timers to logically prevent loops </li></ul><ul><li>There is at least one switch in a network that serves as the root bridge </li></ul><ul><ul><li>Root bridge is elected using information found in BPDU frames </li></ul></ul><ul><li>Root ports are determined by the spanning tree algorithm and are closest to the root bridge </li></ul>
23. 23. Summary <ul><li>STP lengthy convergence time (50 seconds) facilitated the development of: </li></ul><ul><ul><li>RSTP </li></ul></ul><ul><ul><li>convergence time is slightly over 6 seconds </li></ul></ul><ul><ul><li>Rapid PVST+ </li></ul></ul><ul><ul><li>adds VLAN support to RSTP </li></ul></ul><ul><ul><li>is the preferred spanning-tree protocol on a Cisco switch </li></ul></ul><ul><ul><li>netowrk </li></ul></ul>