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2. Hubs
3. Multiple hubs
4. What if we make a loop? 5. Switches
6. SwitchesSelf-learning
7. If MAC address is unknown send to all ports (Flooding) 8. Entries are removed after timeout (aging time) For extra credit: find an animation that illustrates the mechanism. 9. Multiple switches
10. What if we make a loop? 11. Spanning tree protocol Breaking loops.
12. Bridge Protocol Data Units & IEEE 802.1D -link 13. Exercise
14. What information does the packages carry? (consult the BPDU link) 15. Routers
16. Multiple routers
17. What about loops? 18. Routing tables
19. Homework Each group picks a topic
20. Routing algorithms
21. Distance-vector OSPF (LS) 22. RIP (DV)
23. Autonumous systems
24. IANA
Stub AS 25. Inter-AS vs. Intra-AS 26. IGP and EGP IGP (using RIP or OSPF) EGP (using BGP) 27. IGP
28. Distance vector 29. RIP 30. OSFP 31. Animation? 32. Border gateway protocol
33. Choose a server an telnet to it 34. sho ip bgp summary 35. sho ip ngp