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CCNA Cisco Certified Network Associate 640-802

CCNA Cisco Certified Network Associate 640-802. قال تعالي ” و قل رب زدني علما ”. www.arabhardware.net. Mohammed Samir mohammedsn. Switching. www.arabhardware.net/forum Mohammedsn. Spanning-Tree Operation. One root bridge per network One root port per nonroot bridge

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CCNA Cisco Certified Network Associate 640-802

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  1. CCNA Cisco Certified Network Associate 640-802 قال تعالي ” و قل رب زدني علما ” www.arabhardware.net Mohammed Samir mohammedsn

  2. Switching www.arabhardware.net/forum Mohammedsn

  3. Spanning-Tree Operation • One root bridge per network • One root port per nonroot bridge • One designated port per segment • Nondesignated ports are unused www.arabhardware.net/forum Mohammedsn

  4. Root bridge • Bpdu = Bridge Protocol Data Unit (default = sent every two seconds) • Root bridge = Bridge with the lowest bridge ID • Bridge ID = • All port at the root brige is designated forward www.arabhardware.net/forum Mohammedsn

  5. 100Mb/s 100Mb/s 100Mb/s 1Gb/s 1Gb/s 100Mb/s SW4 SW3 SW1 SW2 www.arabhardware.net/forum Mohammedsn

  6. 100Mb/s 100Mb/s 100Mb/s 1Gb/s 1Gb/s 100Mb/s SW4 SW3 D(f) D(f) D(f) SW1 SW2 www.arabhardware.net/forum Mohammedsn

  7. One root port per nonroot bridge • The lowest cost to Root brige • If equal “ the lowest bride id • If equal the lowest port no. www.arabhardware.net/forum Mohammedsn

  8. 100Mb/s 100Mb/s 100Mb/s 1Gb/s 1Gb/s 100Mb/s SW4 SW3 D(f) D(f) R(F) D(f) SW1 SW2 www.arabhardware.net/forum Mohammedsn

  9. 100Mb/s 100Mb/s 100Mb/s 1Gb/s 1Gb/s 100Mb/s SW4 SW3 R(F) D(f) D(f) D(f) R(F) SW1 SW2 www.arabhardware.net/forum Mohammedsn

  10. 100Mb/s 100Mb/s 100Mb/s 1Gb/s 1Gb/s 100Mb/s SW4 SW3 R(F) R(F) D(f) D(f) D(f) R(F) SW1 SW2 www.arabhardware.net/forum Mohammedsn

  11. One designated port per segment • The lowest cost to Root brige • If equal “ the lowest bride id • If equal the lowest port no. www.arabhardware.net/forum Mohammedsn

  12. Spanning-Tree Path Cost

  13. 100Mb/s 100Mb/s 100Mb/s 1Gb/s 1Gb/s 100Mb/s SW4 SW3 R(F) R(F) D(f) D(f) D(f) D(f) R(F) SW1 SW2 www.arabhardware.net/forum Mohammedsn

  14. 100Mb/s 100Mb/s 100Mb/s 1Gb/s 1Gb/s 100Mb/s SW4 SW3 D(f) R(F) R(F) D(f) D(f) D(f) D(f) R(F) SW1 SW2 www.arabhardware.net/forum Mohammedsn

  15. 100Mb/s 100Mb/s 100Mb/s 1Gb/s 1Gb/s 100Mb/s SW4 SW3 D(f) R(F) R(F) D(f) D(f) D(f) D(f) D(f) R(F) SW1 SW2 www.arabhardware.net/forum Mohammedsn

  16. Non designated ports are unused www.arabhardware.net/forum Mohammedsn

  17. 100Mb/s 100Mb/s 100Mb/s 1Gb/s 1Gb/s 100Mb/s SW4 SW3 ND(B) D(f) R(F) R(F) ND(B) D(f) D(f) D(f) ND(B) D(f) D(f) R(F) SW1 SW2 www.arabhardware.net/forum Mohammedsn

  18. Another case www.arabhardware.net/forum Mohammedsn

  19. SW4 1Gb/s SW3 1Gb/s 1Gb/s 100Mb/s 100Mb/s SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  20. SW4 1Gb/s SW3 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) D(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  21. SW4 1Gb/s SW3 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) R(f) D(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  22. SW4 1Gb/s SW3 R(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) R(f) D(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  23. SW4 1Gb/s SW3 R(f) R(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) R(f) D(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  24. SW4 1Gb/s SW3 R(f) R(f) D(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) R(f) D(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  25. SW4 1Gb/s SW3 D(f) R(f) R(f) D(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) R(f) D(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  26. SW4 1Gb/s SW3 D(f) R(f) R(f) D(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) R(f) D(f) D(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  27. SW4 1Gb/s SW3 D(f) R(f) R(f) ND(B) ND(B) D(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) R(f) D(f) D(f) ND(B) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  28. Link at the network down www.arabhardware.net/forum Mohammedsn

  29. SW4 1Gb/s SW3 1Gb/s 1Gb/s 100Mb/s 100Mb/s SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  30. SW4 1Gb/s SW3 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) D(f) R(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  31. SW4 1Gb/s SW3 R(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) D(f) R(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  32. SW4 1Gb/s SW3 R(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) D(f) R(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  33. SW4 1Gb/s SW3 R(f) R(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) D(f) R(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  34. SW4 1Gb/s SW3 D(f) R(f) R(f) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) D(f) D(f) R(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  35. SW4 1Gb/s SW3 D(f) R(f) R(f) ND(B) 1Gb/s 1Gb/s 100Mb/s 100Mb/s D(f) D(f) D(f) ND(B) D(f) R(f) SW1 SW2 100Mb/s www.arabhardware.net/forum Mohammedsn

  36. SW2 100Mb/s SW1 100Mb/s 100Mb/s 100Mb/s SW3 www.arabhardware.net/forum Mohammedsn

  37. SW2 D(f) 100Mb/s SW1 D(f) 100Mb/s D(f) 100Mb/s 100Mb/s R(f) SW3 www.arabhardware.net/forum Mohammedsn

  38. SW2 D(f) 100Mb/s SW1 R(f) D(f) 100Mb/s D(f) 100Mb/s 100Mb/s R(f) SW3 www.arabhardware.net/forum Mohammedsn

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