Device 1, Port 1: Setting port state as Forwarding

Device 2, Port 2: Setting port state as Forwarding

Device 3, Port 2: Setting port state as Forwarding

Device 4, Port 2: Setting port state as Forwarding

Device 5, Port 4: Setting port state as Forwarding

Device 5, Port 5: Setting port state as Forwarding

Device 7, Port 5: Setting port state as Forwarding

Device 7, Port 6: Setting port state as Forwarding

Device 9, Port 4: Setting port state as Forwarding

Device 9, Port 5: Setting port state as Forwarding

Device 10, Port 2: Setting port state as Forwarding

Device 11, Port 2: Setting port state as Forwarding

Device 12, Port 2: Setting port state as Forwarding

Device 13, Port 2: Setting port state as Forwarding

Device 15, Port 2: Setting port state as Forwarding

Device 16, Port 2: Setting port state as Forwarding

Device 17, Port 2: Setting port state as Forwarding

Device 18, Port 1: Setting port state as Forwarding

Device 19, Port 2: Setting port state as Forwarding

Device 26, Port 1: Setting port state as Forwarding

Device 32, Port 2: Setting port state as Forwarding

Device 33, Port 2: Setting port state as Forwarding

Device 50, Port 1: Setting port state as Forwarding

Starting SPT protocol for device 20, LAN 1
Stating SPT for LAN 0
Port 1, Setting status as Forwarding
Port 4, Setting status as Forwarding
Port 6, Setting status as Forwarding
Starting as root
Root Id = 1F21FD22323F9
Sending config BPDU
Root Id = 1F21FD22323F9, Root path cost = 90, Bridge Id = 1F21FD22323F9

Starting SPT protocol for device 21, LAN 1
Stating SPT for LAN 0
Port 1, Setting status as Forwarding
Starting as root
Root Id = 172C7ED6952B8
Sending config BPDU
Root Id = 172C7ED6952B8, Root path cost = 90, Bridge Id = 172C7ED6952B8

Starting SPT protocol for device 22, LAN 1
Stating SPT for LAN 0
Port 1, Setting status as Forwarding
Port 6, Setting status as Forwarding
Starting as root
Root Id = 1A29A424DC0C3
Sending config BPDU
Root Id = 1A29A424DC0C3, Root path cost = 90, Bridge Id = 1A29A424DC0C3

Starting SPT protocol for device 23, LAN 1
Stating SPT for LAN 0
Port 1, Setting status as Forwarding
Starting as root
Root Id = 1E4F398AFEC7B
Sending config BPDU
Root Id = 1E4F398AFEC7B, Root path cost = 90, Bridge Id = 1E4F398AFEC7B

Starting SPT protocol for device 24, LAN 1
Stating SPT for LAN 0
Starting as root
Root Id = 13C5653137589
Sending config BPDU
Root Id = 13C5653137589, Root path cost = 90, Bridge Id = 13C5653137589

Starting SPT protocol for device 25, LAN 1
Stating SPT for LAN 0
Starting as root
Root Id = 10AD633C3F245
Sending config BPDU
Root Id = 10AD633C3F245, Root path cost = 90, Bridge Id = 10AD633C3F245

Starting SPT protocol for device 27, LAN 1
Stating SPT for LAN 0
Starting as root
Root Id = 1523B53690F8F
Sending config BPDU
Root Id = 1523B53690F8F, Root path cost = 90, Bridge Id = 1523B53690F8F

Starting SPT protocol for device 28, LAN 1
Stating SPT for LAN 0
Starting as root
Root Id = 1EE6588FC9D4C
Sending config BPDU
Root Id = 1EE6588FC9D4C, Root path cost = 90, Bridge Id = 1EE6588FC9D4C

Starting SPT protocol for device 29, LAN 1
Stating SPT for LAN 0
Starting as root
Root Id = 1D2DF36C5C9E8
Sending config BPDU
Root Id = 1D2DF36C5C9E8, Root path cost = 90, Bridge Id = 1D2DF36C5C9E8

Starting SPT protocol for device 30, LAN 1
Stating SPT for LAN 0
Starting as root
Root Id = 1AA5B62244773
Sending config BPDU
Root Id = 1AA5B62244773, Root path cost = 90, Bridge Id = 1AA5B62244773

Starting SPT protocol for device 31, LAN 1
Stating SPT for LAN 0
Starting as root
Root Id = 1B49B6F123089
Sending config BPDU
Root Id = 1B49B6F123089, Root path cost = 90, Bridge Id = 1B49B6F123089

Switch 24, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1F21FD22323F9, Cost = 90, Bridge Id = -1312056688
SPT data: Root = 13C5653137589, cost = 0, Bridge Id = 13C5653137589, Root port = 0

Switch 25, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1F21FD22323F9, Cost = 90, Bridge Id = -1312056688
SPT data: Root = 10AD633C3F245, cost = 0, Bridge Id = 10AD633C3F245, Root port = 0

Switch 27, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1F21FD22323F9, Cost = 90, Bridge Id = -1312056688
SPT data: Root = 1523B53690F8F, cost = 0, Bridge Id = 1523B53690F8F, Root port = 0

Switch 24, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 172C7ED6952B8, Cost = 90, Bridge Id = -1312055712
SPT data: Root = 13C5653137589, cost = 0, Bridge Id = 13C5653137589, Root port = 0

Switch 25, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 172C7ED6952B8, Cost = 90, Bridge Id = -1312055712
SPT data: Root = 10AD633C3F245, cost = 0, Bridge Id = 10AD633C3F245, Root port = 0

Switch 27, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 172C7ED6952B8, Cost = 90, Bridge Id = -1312055712
SPT data: Root = 1523B53690F8F, cost = 0, Bridge Id = 1523B53690F8F, Root port = 0

Switch 28, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 90, Bridge Id = -1312044064
SPT data: Root = 1EE6588FC9D4C, cost = 0, Bridge Id = 1EE6588FC9D4C, Root port = 0
Updating SPT data
Root id = 1A29A424DC0C3, Cost = 90, Root port = 1
Forwarding config BPDU
Root Id = 1A29A424DC0C3, Root path cost = 180, Bridge Id = 1EE6588FC9D4C

Switch 29, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 90, Bridge Id = -1312044064
SPT data: Root = 1D2DF36C5C9E8, cost = 0, Bridge Id = 1D2DF36C5C9E8, Root port = 0
Updating SPT data
Root id = 1A29A424DC0C3, Cost = 90, Root port = 1
Forwarding config BPDU
Root Id = 1A29A424DC0C3, Root path cost = 180, Bridge Id = 1D2DF36C5C9E8

Switch 30, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 90, Bridge Id = -1312044064
SPT data: Root = 1AA5B62244773, cost = 0, Bridge Id = 1AA5B62244773, Root port = 0
Updating SPT data
Root id = 1A29A424DC0C3, Cost = 90, Root port = 1
Forwarding config BPDU
Root Id = 1A29A424DC0C3, Root path cost = 180, Bridge Id = 1AA5B62244773

Switch 31, Port 1, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 90, Bridge Id = -1312044064
SPT data: Root = 1B49B6F123089, cost = 0, Bridge Id = 1B49B6F123089, Root port = 0
Updating SPT data
Root id = 1A29A424DC0C3, Cost = 90, Root port = 1
Forwarding config BPDU
Root Id = 1A29A424DC0C3, Root path cost = 180, Bridge Id = 1B49B6F123089

Switch 28, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1E4F398AFEC7B, Cost = 90, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1EE6588FC9D4C, Root port = 1

Switch 29, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1E4F398AFEC7B, Cost = 90, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1D2DF36C5C9E8, Root port = 1

Switch 30, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1E4F398AFEC7B, Cost = 90, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1AA5B62244773, Root port = 1

Switch 31, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1E4F398AFEC7B, Cost = 90, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1B49B6F123089, Root port = 1

Switch 20, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 13C5653137589, Cost = 90, Bridge Id = -1312044640
SPT data: Root = 1F21FD22323F9, cost = 0, Bridge Id = 1F21FD22323F9, Root port = 0
Updating SPT data
Root id = 13C5653137589, Cost = 90, Root port = 2
Forwarding config BPDU
Root Id = 13C5653137589, Root path cost = 180, Bridge Id = 1F21FD22323F9

Switch 21, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 13C5653137589, Cost = 90, Bridge Id = -1312044640
SPT data: Root = 172C7ED6952B8, cost = 0, Bridge Id = 172C7ED6952B8, Root port = 0
Updating SPT data
Root id = 13C5653137589, Cost = 90, Root port = 2
Forwarding config BPDU
Root Id = 13C5653137589, Root path cost = 180, Bridge Id = 172C7ED6952B8

Switch 20, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 10AD633C3F245, Cost = 90, Bridge Id = -1277095264
SPT data: Root = 13C5653137589, cost = 90, Bridge Id = 1F21FD22323F9, Root port = 2
Updating SPT data
Root id = 10AD633C3F245, Cost = 90, Root port = 3
Forwarding config BPDU
Root Id = 10AD633C3F245, Root path cost = 180, Bridge Id = 1F21FD22323F9

Switch 21, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 10AD633C3F245, Cost = 90, Bridge Id = -1277095264
SPT data: Root = 13C5653137589, cost = 90, Bridge Id = 172C7ED6952B8, Root port = 2
Updating SPT data
Root id = 10AD633C3F245, Cost = 90, Root port = 3
Forwarding config BPDU
Root Id = 10AD633C3F245, Root path cost = 180, Bridge Id = 172C7ED6952B8

Switch 20, Port 5, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1523B53690F8F, Cost = 90, Bridge Id = -1277093920
SPT data: Root = 10AD633C3F245, cost = 90, Bridge Id = 1F21FD22323F9, Root port = 3

Switch 21, Port 4, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1523B53690F8F, Cost = 90, Bridge Id = -1277093920
SPT data: Root = 10AD633C3F245, cost = 90, Bridge Id = 172C7ED6952B8, Root port = 3

Switch 22, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1EE6588FC9D4C, Cost = 90, Bridge Id = -1277094400
SPT data: Root = 1A29A424DC0C3, cost = 0, Bridge Id = 1A29A424DC0C3, Root port = 0

Switch 23, Port 2, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1EE6588FC9D4C, Cost = 90, Bridge Id = -1277094400
SPT data: Root = 1E4F398AFEC7B, cost = 0, Bridge Id = 1E4F398AFEC7B, Root port = 0

Switch 22, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1D2DF36C5C9E8, Cost = 90, Bridge Id = -1277095008
SPT data: Root = 1A29A424DC0C3, cost = 0, Bridge Id = 1A29A424DC0C3, Root port = 0

Switch 23, Port 3, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1D2DF36C5C9E8, Cost = 90, Bridge Id = -1277095008
SPT data: Root = 1E4F398AFEC7B, cost = 0, Bridge Id = 1E4F398AFEC7B, Root port = 0
Updating SPT data
Root id = 1D2DF36C5C9E8, Cost = 90, Root port = 3
Forwarding config BPDU
Root Id = 1D2DF36C5C9E8, Root path cost = 180, Bridge Id = 1E4F398AFEC7B

Switch 22, Port 4, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1AA5B62244773, Cost = 90, Bridge Id = -1277085776
SPT data: Root = 1A29A424DC0C3, cost = 0, Bridge Id = 1A29A424DC0C3, Root port = 0

Switch 23, Port 4, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1AA5B62244773, Cost = 90, Bridge Id = -1277085776
SPT data: Root = 1D2DF36C5C9E8, cost = 90, Bridge Id = 1E4F398AFEC7B, Root port = 3
Updating SPT data
Root id = 1AA5B62244773, Cost = 90, Root port = 4
Forwarding config BPDU
Root Id = 1AA5B62244773, Root path cost = 180, Bridge Id = 1E4F398AFEC7B

Switch 22, Port 5, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1B49B6F123089, Cost = 90, Bridge Id = -1277087344
SPT data: Root = 1A29A424DC0C3, cost = 0, Bridge Id = 1A29A424DC0C3, Root port = 0

Switch 23, Port 5, Time 11: Config BPDU packet arrives
Config BPDU data: Root = 1B49B6F123089, Cost = 90, Bridge Id = -1277087344
SPT data: Root = 1AA5B62244773, cost = 90, Bridge Id = 1E4F398AFEC7B, Root port = 4

Switch 23, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 180, Bridge Id = -1277094400
SPT data: Root = 1AA5B62244773, cost = 90, Bridge Id = 1E4F398AFEC7B, Root port = 4
Updating SPT data
Root id = 1A29A424DC0C3, Cost = 180, Root port = 2
Forwarding config BPDU
Root Id = 1A29A424DC0C3, Root path cost = 270, Bridge Id = 1E4F398AFEC7B

Switch 23, Port 3, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 180, Bridge Id = -1277095008
SPT data: Root = 1A29A424DC0C3, cost = 180, Bridge Id = 1E4F398AFEC7B, Root port = 2
Setting switch 23, port 3 state as BLOCKED

Switch 23, Port 4, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 180, Bridge Id = -1277085776
SPT data: Root = 1A29A424DC0C3, cost = 180, Bridge Id = 1E4F398AFEC7B, Root port = 2
Setting switch 23, port 4 state as BLOCKED

Switch 23, Port 5, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 180, Bridge Id = -1277087344
SPT data: Root = 1A29A424DC0C3, cost = 180, Bridge Id = 1E4F398AFEC7B, Root port = 2
Setting switch 23, port 5 state as BLOCKED

Switch 25, Port 1, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 13C5653137589, Cost = 180, Bridge Id = -1312056688
SPT data: Root = 10AD633C3F245, cost = 0, Bridge Id = 10AD633C3F245, Root port = 0

Switch 27, Port 1, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 13C5653137589, Cost = 180, Bridge Id = -1312056688
SPT data: Root = 1523B53690F8F, cost = 0, Bridge Id = 1523B53690F8F, Root port = 0
Updating SPT data
Root id = 13C5653137589, Cost = 180, Root port = 1
Forwarding config BPDU
Root Id = 13C5653137589, Root path cost = 270, Bridge Id = 1523B53690F8F

Switch 25, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 13C5653137589, Cost = 180, Bridge Id = -1312055712
SPT data: Root = 10AD633C3F245, cost = 0, Bridge Id = 10AD633C3F245, Root port = 0

Switch 27, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 13C5653137589, Cost = 180, Bridge Id = -1312055712
SPT data: Root = 13C5653137589, cost = 180, Bridge Id = 1523B53690F8F, Root port = 1
Setting switch 27, port 2 state as BLOCKED

Switch 24, Port 1, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 10AD633C3F245, Cost = 180, Bridge Id = -1312056688
SPT data: Root = 13C5653137589, cost = 0, Bridge Id = 13C5653137589, Root port = 0
Updating SPT data
Root id = 10AD633C3F245, Cost = 180, Root port = 1
Forwarding config BPDU
Root Id = 10AD633C3F245, Root path cost = 270, Bridge Id = 13C5653137589

Switch 24, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 10AD633C3F245, Cost = 180, Bridge Id = -1312055712
SPT data: Root = 10AD633C3F245, cost = 180, Bridge Id = 13C5653137589, Root port = 1
Setting switch 24, port 2 state as BLOCKED

Switch 28, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1D2DF36C5C9E8, Cost = 180, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1EE6588FC9D4C, Root port = 1

Switch 30, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1D2DF36C5C9E8, Cost = 180, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1AA5B62244773, Root port = 1

Switch 31, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1D2DF36C5C9E8, Cost = 180, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1B49B6F123089, Root port = 1

Switch 29, Port 2, Time 21: Config BPDU packet arrives
Config BPDU data: Root = 1AA5B62244773, Cost = 180, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1D2DF36C5C9E8, Root port = 1

Switch 27, Port 1, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 10AD633C3F245, Cost = 180, Bridge Id = -1312056688
SPT data: Root = 13C5653137589, cost = 180, Bridge Id = 1523B53690F8F, Root port = 1
Updating SPT data
Root id = 10AD633C3F245, Cost = 180, Root port = 1
Forwarding config BPDU
Root Id = 10AD633C3F245, Root path cost = 270, Bridge Id = 1523B53690F8F

Switch 27, Port 2, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 10AD633C3F245, Cost = 180, Bridge Id = -1312055712
SPT data: Root = 10AD633C3F245, cost = 180, Bridge Id = 1523B53690F8F, Root port = 1
Setting switch 27, port 2 state as BLOCKED

Switch 28, Port 2, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 1AA5B62244773, Cost = 180, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1EE6588FC9D4C, Root port = 1

Switch 31, Port 2, Time 26: Config BPDU packet arrives
Config BPDU data: Root = 1AA5B62244773, Cost = 180, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1B49B6F123089, Root port = 1

Switch 29, Port 2, Time 30: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 270, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1D2DF36C5C9E8, Root port = 1
Setting switch 29, port 2 state as BLOCKED

Switch 30, Port 2, Time 30: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 270, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1AA5B62244773, Root port = 1
Setting switch 30, port 2 state as BLOCKED

Switch 21, Port 4, Time 30: Config BPDU packet arrives
Config BPDU data: Root = 13C5653137589, Cost = 270, Bridge Id = -1277093920
SPT data: Root = 10AD633C3F245, cost = 90, Bridge Id = 172C7ED6952B8, Root port = 3

Switch 21, Port 2, Time 30: Config BPDU packet arrives
Config BPDU data: Root = 10AD633C3F245, Cost = 270, Bridge Id = -1312044640
SPT data: Root = 10AD633C3F245, cost = 90, Bridge Id = 172C7ED6952B8, Root port = 3
Setting switch 21, port 2 state as BLOCKED

Switch 31, Port 2, Time 32: Config BPDU packet arrives
Config BPDU data: Root = 1A29A424DC0C3, Cost = 270, Bridge Id = -1312044224
SPT data: Root = 1A29A424DC0C3, cost = 90, Bridge Id = 1B49B6F123089, Root port = 1
Setting switch 31, port 2 state as BLOCKED

Switch 21, Port 4, Time 36: Config BPDU packet arrives
Config BPDU data: Root = 10AD633C3F245, Cost = 270, Bridge Id = -1277093920
SPT data: Root = 10AD633C3F245, cost = 90, Bridge Id = 172C7ED6952B8, Root port = 3
Setting switch 21, port 4 state as BLOCKED

