Device 6, Port 2: Setting port state as Forwarding

Device 6, Port 3: Setting port state as Forwarding

Device 7, Port 2: Setting port state as Forwarding

Device 7, Port 3: Setting port state as Forwarding

Device 8, Port 2: Setting port state as Forwarding

Device 8, Port 3: Setting port state as Forwarding

Device 21, Port 2: Setting port state as Forwarding

Device 22, Port 2: Setting port state as Forwarding

Device 23, Port 2: Setting port state as Forwarding

Device 24, Port 1: Setting port state as Forwarding

Device 25, Port 1: Setting port state as Forwarding

Device 39, Port 1: Setting port state as Forwarding

Device 40, Port 1: Setting port state as Forwarding

Device 41, Port 1: Setting port state as Forwarding

Device 42, Port 1: Setting port state as Forwarding

Device 43, Port 1: Setting port state as Forwarding

Device 44, Port 1: Setting port state as Forwarding

Device 45, Port 1: Setting port state as Forwarding

Device 48, Port 2: Setting port state as Forwarding

Starting SPT protocol for device 9, LAN 1
Stating SPT for LAN 0
Port 1, Setting status as Forwarding
Starting as root
Root Id = 190B22E823623
Sending config BPDU
Root Id = 190B22E823623, Root path cost = 90, Bridge Id = 190B22E823623

Starting SPT protocol for device 10, LAN 1
Stating SPT for LAN 0
Port 1, Setting status as Forwarding
Starting as root
Root Id = 15862A7B97843
Sending config BPDU
Root Id = 15862A7B97843, Root path cost = 90, Bridge Id = 15862A7B97843

Starting SPT protocol for device 11, LAN 1
Stating SPT for LAN 0
Port 2, Setting status as Forwarding
Starting as root
Root Id = 1426AA47D82E8
Sending config BPDU
Root Id = 1426AA47D82E8, Root path cost = 90, Bridge Id = 1426AA47D82E8

Starting SPT protocol for device 12, LAN 1
Stating SPT for LAN 0
Port 2, Setting status as Forwarding
Starting as root
Root Id = 1A8692D243C1B
Sending config BPDU
Root Id = 1A8692D243C1B, Root path cost = 90, Bridge Id = 1A8692D243C1B

Starting SPT protocol for device 13, LAN 1
Stating SPT for LAN 0
Port 1, Setting status as Forwarding
Starting as root
Root Id = 1D20108C600EA
Sending config BPDU
Root Id = 1D20108C600EA, Root path cost = 90, Bridge Id = 1D20108C600EA

Starting SPT protocol for device 14, LAN 1
Stating SPT for LAN 0
Port 1, Setting status as Forwarding
Starting as root
Root Id = 18C3DDE2088AD
Sending config BPDU
Root Id = 18C3DDE2088AD, Root path cost = 90, Bridge Id = 18C3DDE2088AD

Starting SPT protocol for device 15, LAN 1
Stating SPT for LAN 0
Port 4, Setting status as Forwarding
Port 5, Setting status as Forwarding
Starting as root
Root Id = 172BD8CBFF970
Sending config BPDU
Root Id = 172BD8CBFF970, Root path cost = 90, Bridge Id = 172BD8CBFF970

Starting SPT protocol for device 16, LAN 1
Stating SPT for LAN 0
Starting as root
Root Id = 128F5101E423F
Sending config BPDU
Root Id = 128F5101E423F, Root path cost = 90, Bridge Id = 128F5101E423F

Starting SPT protocol for device 17, LAN 1
Stating SPT for LAN 0
Port 4, Setting status as Forwarding
Port 5, Setting status as Forwarding
Port 6, Setting status as Forwarding
Port 7, Setting status as Forwarding
Port 8, Setting status as Forwarding
Starting as root
Root Id = 18412E544DDE0
Sending config BPDU
Root Id = 18412E544DDE0, Root path cost = 90, Bridge Id = 18412E544DDE0

Starting SPT protocol for device 18, LAN 1
Stating SPT for LAN 0
Port 4, Setting status as Forwarding
Port 5, Setting status as Forwarding
Port 6, Setting status as Forwarding
Starting as root
Root Id = 178F4A46FF7F3
Sending config BPDU
Root Id = 178F4A46FF7F3, Root path cost = 90, Bridge Id = 178F4A46FF7F3

Starting SPT protocol for device 19, LAN 1
Stating SPT for LAN 0
Port 4, Setting status as Forwarding
Starting as root
Root Id = 11A68F329FCA4
Sending config BPDU
Root Id = 11A68F329FCA4, Root path cost = 90, Bridge Id = 11A68F329FCA4

Starting SPT protocol for device 20, LAN 1
Stating SPT for LAN 0
Port 4, Setting status as Forwarding
Port 5, Setting status as Forwarding
Starting as root
Root Id = 1FAFEBBF07D00
Sending config BPDU
Root Id = 1FAFEBBF07D00, Root path cost = 90, Bridge Id = 1FAFEBBF07D00

Switch 15, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 190B22E823623, Cost = 90, Bridge Id = -1340152592
SPT data: Root = 172BD8CBFF970, cost = 0, Bridge Id = 172BD8CBFF970, Root port = 0

Switch 10, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 190B22E823623, Cost = 90, Bridge Id = -1340152592
SPT data: Root = 15862A7B97843, cost = 0, Bridge Id = 15862A7B97843, Root port = 0

Switch 16, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 190B22E823623, Cost = 90, Bridge Id = -1340152592
SPT data: Root = 128F5101E423F, cost = 0, Bridge Id = 128F5101E423F, Root port = 0

Switch 16, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 15862A7B97843, Cost = 90, Bridge Id = -1339909792
SPT data: Root = 128F5101E423F, cost = 0, Bridge Id = 128F5101E423F, Root port = 0

Switch 9, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 15862A7B97843, Cost = 90, Bridge Id = -1339909792
SPT data: Root = 190B22E823623, cost = 0, Bridge Id = 190B22E823623, Root port = 0
Updating SPT data
Root id = 15862A7B97843, Cost = 90, Root port = 3
Forwarding config BPDU
Root Id = 15862A7B97843, Root path cost = 180, Bridge Id = 190B22E823623

Switch 15, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 15862A7B97843, Cost = 90, Bridge Id = -1339909792
SPT data: Root = 172BD8CBFF970, cost = 0, Bridge Id = 172BD8CBFF970, Root port = 0
Updating SPT data
Root id = 15862A7B97843, Cost = 90, Root port = 3
Forwarding config BPDU
Root Id = 15862A7B97843, Root path cost = 180, Bridge Id = 172BD8CBFF970

Switch 12, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1426AA47D82E8, Cost = 90, Bridge Id = -1339909120
SPT data: Root = 1A8692D243C1B, cost = 0, Bridge Id = 1A8692D243C1B, Root port = 0
Updating SPT data
Root id = 1426AA47D82E8, Cost = 90, Root port = 1
Forwarding config BPDU
Root Id = 1426AA47D82E8, Root path cost = 180, Bridge Id = 1A8692D243C1B

Switch 17, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1426AA47D82E8, Cost = 90, Bridge Id = -1339909120
SPT data: Root = 18412E544DDE0, cost = 0, Bridge Id = 18412E544DDE0, Root port = 0
Updating SPT data
Root id = 1426AA47D82E8, Cost = 90, Root port = 2
Forwarding config BPDU
Root Id = 1426AA47D82E8, Root path cost = 180, Bridge Id = 18412E544DDE0

Switch 18, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1426AA47D82E8, Cost = 90, Bridge Id = -1339909120
SPT data: Root = 178F4A46FF7F3, cost = 0, Bridge Id = 178F4A46FF7F3, Root port = 0
Updating SPT data
Root id = 1426AA47D82E8, Cost = 90, Root port = 3
Forwarding config BPDU
Root Id = 1426AA47D82E8, Root path cost = 180, Bridge Id = 178F4A46FF7F3

Switch 11, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1A8692D243C1B, Cost = 90, Bridge Id = -1339909920
SPT data: Root = 1426AA47D82E8, cost = 0, Bridge Id = 1426AA47D82E8, Root port = 0

Switch 18, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1A8692D243C1B, Cost = 90, Bridge Id = -1339909920
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 178F4A46FF7F3, Root port = 3

Switch 17, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1A8692D243C1B, Cost = 90, Bridge Id = -1339909920
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 18412E544DDE0, Root port = 2

Switch 19, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1D20108C600EA, Cost = 90, Bridge Id = -1339615520
SPT data: Root = 11A68F329FCA4, cost = 0, Bridge Id = 11A68F329FCA4, Root port = 0

Switch 20, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1D20108C600EA, Cost = 90, Bridge Id = -1339615520
SPT data: Root = 1FAFEBBF07D00, cost = 0, Bridge Id = 1FAFEBBF07D00, Root port = 0
Updating SPT data
Root id = 1D20108C600EA, Cost = 90, Root port = 3
Forwarding config BPDU
Root Id = 1D20108C600EA, Root path cost = 180, Bridge Id = 1FAFEBBF07D00

Switch 14, Port 4, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1D20108C600EA, Cost = 90, Bridge Id = -1339615520
SPT data: Root = 18C3DDE2088AD, cost = 0, Bridge Id = 18C3DDE2088AD, Root port = 0

Switch 20, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 18C3DDE2088AD, Cost = 90, Bridge Id = -1339616768
SPT data: Root = 1D20108C600EA, cost = 90, Bridge Id = 1FAFEBBF07D00, Root port = 3
Updating SPT data
Root id = 18C3DDE2088AD, Cost = 90, Root port = 1
Forwarding config BPDU
Root Id = 18C3DDE2088AD, Root path cost = 180, Bridge Id = 1FAFEBBF07D00

Switch 19, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 18C3DDE2088AD, Cost = 90, Bridge Id = -1339616768
SPT data: Root = 11A68F329FCA4, cost = 0, Bridge Id = 11A68F329FCA4, Root port = 0

Switch 13, Port 4, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 18C3DDE2088AD, Cost = 90, Bridge Id = -1339616768
SPT data: Root = 1D20108C600EA, cost = 0, Bridge Id = 1D20108C600EA, Root port = 0
Updating SPT data
Root id = 18C3DDE2088AD, Cost = 90, Root port = 4
Forwarding config BPDU
Root Id = 18C3DDE2088AD, Root path cost = 180, Bridge Id = 1D20108C600EA

Switch 9, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 172BD8CBFF970, Cost = 90, Bridge Id = -1339617152
SPT data: Root = 15862A7B97843, cost = 90, Bridge Id = 190B22E823623, Root port = 3

Switch 16, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 172BD8CBFF970, Cost = 90, Bridge Id = -1339617152
SPT data: Root = 128F5101E423F, cost = 0, Bridge Id = 128F5101E423F, Root port = 0

Switch 10, Port 4, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 172BD8CBFF970, Cost = 90, Bridge Id = -1339617152
SPT data: Root = 15862A7B97843, cost = 0, Bridge Id = 15862A7B97843, Root port = 0

Switch 10, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 128F5101E423F, Cost = 90, Bridge Id = -1339604608
SPT data: Root = 15862A7B97843, cost = 0, Bridge Id = 15862A7B97843, Root port = 0
Updating SPT data
Root id = 128F5101E423F, Cost = 90, Root port = 2
Forwarding config BPDU
Root Id = 128F5101E423F, Root path cost = 180, Bridge Id = 15862A7B97843

Switch 15, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 128F5101E423F, Cost = 90, Bridge Id = -1339604608
SPT data: Root = 15862A7B97843, cost = 90, Bridge Id = 172BD8CBFF970, Root port = 3
Updating SPT data
Root id = 128F5101E423F, Cost = 90, Root port = 2
Forwarding config BPDU
Root Id = 128F5101E423F, Root path cost = 180, Bridge Id = 172BD8CBFF970

Switch 9, Port 4, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 128F5101E423F, Cost = 90, Bridge Id = -1339604608
SPT data: Root = 15862A7B97843, cost = 90, Bridge Id = 190B22E823623, Root port = 3
Updating SPT data
Root id = 128F5101E423F, Cost = 90, Root port = 4
Forwarding config BPDU
Root Id = 128F5101E423F, Root path cost = 180, Bridge Id = 190B22E823623

Switch 18, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 18412E544DDE0, Cost = 90, Bridge Id = -1339604864
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 178F4A46FF7F3, Root port = 3

Switch 11, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 18412E544DDE0, Cost = 90, Bridge Id = -1339604864
SPT data: Root = 1426AA47D82E8, cost = 0, Bridge Id = 1426AA47D82E8, Root port = 0

Switch 12, Port 4, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 18412E544DDE0, Cost = 90, Bridge Id = -1339604864
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 1A8692D243C1B, Root port = 1

Switch 12, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 178F4A46FF7F3, Cost = 90, Bridge Id = -1339908736
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 1A8692D243C1B, Root port = 1

Switch 17, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 178F4A46FF7F3, Cost = 90, Bridge Id = -1339908736
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 18412E544DDE0, Root port = 2

Switch 11, Port 4, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 178F4A46FF7F3, Cost = 90, Bridge Id = -1339908736
SPT data: Root = 1426AA47D82E8, cost = 0, Bridge Id = 1426AA47D82E8, Root port = 0

Switch 20, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 11A68F329FCA4, Cost = 90, Bridge Id = -1339907920
SPT data: Root = 18C3DDE2088AD, cost = 90, Bridge Id = 1FAFEBBF07D00, Root port = 1
Updating SPT data
Root id = 11A68F329FCA4, Cost = 90, Root port = 2
Forwarding config BPDU
Root Id = 11A68F329FCA4, Root path cost = 180, Bridge Id = 1FAFEBBF07D00

Switch 13, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 11A68F329FCA4, Cost = 90, Bridge Id = -1339907920
SPT data: Root = 18C3DDE2088AD, cost = 90, Bridge Id = 1D20108C600EA, Root port = 4
Updating SPT data
Root id = 11A68F329FCA4, Cost = 90, Root port = 2
Forwarding config BPDU
Root Id = 11A68F329FCA4, Root path cost = 180, Bridge Id = 1D20108C600EA

Switch 14, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 11A68F329FCA4, Cost = 90, Bridge Id = -1339907920
SPT data: Root = 18C3DDE2088AD, cost = 0, Bridge Id = 18C3DDE2088AD, Root port = 0
Updating SPT data
Root id = 11A68F329FCA4, Cost = 90, Root port = 3
Forwarding config BPDU
Root Id = 11A68F329FCA4, Root path cost = 180, Bridge Id = 18C3DDE2088AD

Switch 14, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1FAFEBBF07D00, Cost = 90, Bridge Id = -1339906384
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 18C3DDE2088AD, Root port = 3

Switch 19, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1FAFEBBF07D00, Cost = 90, Bridge Id = -1339906384
SPT data: Root = 11A68F329FCA4, cost = 0, Bridge Id = 11A68F329FCA4, Root port = 0

Switch 15, Port 1, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 15862A7B97843, Cost = 180, Bridge Id = -1340152592
SPT data: Root = 128F5101E423F, cost = 90, Bridge Id = 172BD8CBFF970, Root port = 2

Switch 16, Port 3, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 15862A7B97843, Cost = 180, Bridge Id = -1340152592
SPT data: Root = 128F5101E423F, cost = 0, Bridge Id = 128F5101E423F, Root port = 0

Switch 9, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 15862A7B97843, Cost = 180, Bridge Id = -1339617152
SPT data: Root = 128F5101E423F, cost = 90, Bridge Id = 190B22E823623, Root port = 4

Switch 16, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 15862A7B97843, Cost = 180, Bridge Id = -1339617152
SPT data: Root = 128F5101E423F, cost = 0, Bridge Id = 128F5101E423F, Root port = 0

Switch 18, Port 1, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1426AA47D82E8, Cost = 180, Bridge Id = -1339909920
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 178F4A46FF7F3, Root port = 3
Setting switch 18, port 1 state as BLOCKED

Switch 17, Port 3, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1426AA47D82E8, Cost = 180, Bridge Id = -1339909920
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 18412E544DDE0, Root port = 2
Setting switch 17, port 3 state as BLOCKED

Switch 18, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1426AA47D82E8, Cost = 180, Bridge Id = -1339604864
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 178F4A46FF7F3, Root port = 3
Setting switch 18, port 2 state as BLOCKED

Switch 12, Port 4, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1426AA47D82E8, Cost = 180, Bridge Id = -1339604864
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 1A8692D243C1B, Root port = 1
Setting switch 12, port 4 state as BLOCKED

Switch 12, Port 3, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1426AA47D82E8, Cost = 180, Bridge Id = -1339908736
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 1A8692D243C1B, Root port = 1
Setting switch 12, port 3 state as BLOCKED

Switch 17, Port 1, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1426AA47D82E8, Cost = 180, Bridge Id = -1339908736
SPT data: Root = 1426AA47D82E8, cost = 90, Bridge Id = 18412E544DDE0, Root port = 2
Setting switch 17, port 1 state as BLOCKED

Switch 14, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1D20108C600EA, Cost = 180, Bridge Id = -1339906384
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 18C3DDE2088AD, Root port = 3

Switch 19, Port 1, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1D20108C600EA, Cost = 180, Bridge Id = -1339906384
SPT data: Root = 11A68F329FCA4, cost = 0, Bridge Id = 11A68F329FCA4, Root port = 0

Switch 13, Port 3, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 18C3DDE2088AD, Cost = 180, Bridge Id = -1339906384
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 1D20108C600EA, Root port = 2

Switch 19, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 18C3DDE2088AD, Cost = 180, Bridge Id = -1339615520
SPT data: Root = 11A68F329FCA4, cost = 0, Bridge Id = 11A68F329FCA4, Root port = 0

Switch 20, Port 3, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 18C3DDE2088AD, Cost = 180, Bridge Id = -1339615520
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 1FAFEBBF07D00, Root port = 2

Switch 9, Port 3, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 128F5101E423F, Cost = 180, Bridge Id = -1339909792
SPT data: Root = 128F5101E423F, cost = 90, Bridge Id = 190B22E823623, Root port = 4
Setting switch 9, port 3 state as BLOCKED

Switch 15, Port 3, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 128F5101E423F, Cost = 180, Bridge Id = -1339909792
SPT data: Root = 128F5101E423F, cost = 90, Bridge Id = 172BD8CBFF970, Root port = 2
Setting switch 15, port 3 state as BLOCKED

Switch 10, Port 4, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 128F5101E423F, Cost = 180, Bridge Id = -1339617152
SPT data: Root = 128F5101E423F, cost = 90, Bridge Id = 15862A7B97843, Root port = 2
Setting switch 10, port 4 state as BLOCKED

Switch 10, Port 3, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 128F5101E423F, Cost = 180, Bridge Id = -1340152592
SPT data: Root = 128F5101E423F, cost = 90, Bridge Id = 15862A7B97843, Root port = 2
Setting switch 10, port 3 state as BLOCKED

Switch 14, Port 4, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 11A68F329FCA4, Cost = 180, Bridge Id = -1339615520
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 18C3DDE2088AD, Root port = 3
Setting switch 14, port 4 state as BLOCKED

Switch 20, Port 1, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 11A68F329FCA4, Cost = 180, Bridge Id = -1339616768
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 1FAFEBBF07D00, Root port = 2
Setting switch 20, port 1 state as BLOCKED

Switch 13, Port 4, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 11A68F329FCA4, Cost = 180, Bridge Id = -1339616768
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 1D20108C600EA, Root port = 2
Setting switch 13, port 4 state as BLOCKED

Switch 19, Port 1, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 18C3DDE2088AD, Cost = 180, Bridge Id = -1339906384
SPT data: Root = 11A68F329FCA4, cost = 0, Bridge Id = 11A68F329FCA4, Root port = 0

Switch 9, Port 2, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 128F5101E423F, Cost = 180, Bridge Id = -1339617152
SPT data: Root = 128F5101E423F, cost = 90, Bridge Id = 190B22E823623, Root port = 4
Setting switch 9, port 2 state as BLOCKED

Switch 15, Port 1, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 128F5101E423F, Cost = 180, Bridge Id = -1340152592
SPT data: Root = 128F5101E423F, cost = 90, Bridge Id = 172BD8CBFF970, Root port = 2
Setting switch 15, port 1 state as BLOCKED

Switch 14, Port 2, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 11A68F329FCA4, Cost = 180, Bridge Id = -1339906384
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 18C3DDE2088AD, Root port = 3
Setting switch 14, port 2 state as BLOCKED

Switch 13, Port 3, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 11A68F329FCA4, Cost = 180, Bridge Id = -1339906384
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 1D20108C600EA, Root port = 2
Setting switch 13, port 3 state as BLOCKED

Switch 20, Port 3, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 11A68F329FCA4, Cost = 180, Bridge Id = -1339615520
SPT data: Root = 11A68F329FCA4, cost = 90, Bridge Id = 1FAFEBBF07D00, Root port = 2
Setting switch 20, port 3 state as BLOCKED

