1. Spanning tree protocol In Flerov Laboratory of Nuclear Reactions Performed by: A.S. Baginyan Scientific Supervisor: V.V. Korenkov, DSc UC, JINR, Dubna, 2013

2. Network topology of building №101 Flerov Laboratory of Nuclear Reactions

5. Broadcast storm

6. What Spanning Tree Does

8. SW1 Wins Election

9. SW3 Calculating Cost to Reach the Root and Choosing Its RP Cost 4

10. Default Port Costs

11. Real-life example of «spanning tree protocol» calculation

12. LIT Equipment Room, FLNR Switches Recommended model of Cisco REFERENCE LEVEL DISTRIBUTION LEVEL ACCESS LEVEL Service provider

13. Thank you for your attention