spanning-tree disable
spanning-tree mode pvst
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interface gigabitethernet 0/1
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interface gigabitethernet 0/2
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interface gigabitethernet 0/3
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interface gigabitethernet 0/4
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interface gigabitethernet 0/5
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interface gigabitethernet 0/6
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interface gigabitethernet 0/7
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interface gigabitethernet 0/8
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interface gigabitethernet 0/9
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interface gigabitethernet 0/10
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interface gigabitethernet 0/11
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interface gigabitethernet 0/12
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interface gigabitethernet 0/13
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interface gigabitethernet 0/14
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interface gigabitethernet 0/15
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interface gigabitethernet 0/16
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interface gigabitethernet 0/17
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interface gigabitethernet 0/18
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interface gigabitethernet 0/19
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interface gigabitethernet 0/20
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interface gigabitethernet 0/21
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interface gigabitethernet 0/22
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interface gigabitethernet 0/23
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interface gigabitethernet 0/24
  switchport mode access
  switchport access vlan 100
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interface gigabitethernet 0/25
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interface gigabitethernet 0/26
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interface gigabitethernet 0/27
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interface gigabitethernet 0/28
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interface gigabitethernet 0/29
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interface gigabitethernet 0/30
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interface gigabitethernet 0/31
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interface gigabitethernet 0/32
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interface gigabitethernet 0/33
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interface gigabitethernet 0/34
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interface gigabitethernet 0/35
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interface gigabitethernet 0/36
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interface gigabitethernet 0/37
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interface gigabitethernet 0/38
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interface gigabitethernet 0/39
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interface gigabitethernet 0/40
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interface gigabitethernet 0/41
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interface gigabitethernet 0/42
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interface gigabitethernet 0/43
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interface gigabitethernet 0/44
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interface gigabitethernet 0/45
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interface gigabitethernet 0/46
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interface gigabitethernet 0/47
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interface gigabitethernet 0/48
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interface vlan 100
  ip address 192.168.255.253 255.255.255.0
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line vty 0 2
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