Use the saved data to draw the spanning tree for the network in Figure 6.10 as seen by the bridges. For each bridge, include information on the root bridge, the root port, the designated ports, and the blocked ports.

What will be an ideal response?

```
Router1#show bridge
Total of 300 station blocks, 298 free
Codes: P - permanent, S - self
Bridge Group 1:
Address Action Interface Age RX count TX count
0050.bf90.7d33 forward Ethernet0/0 0 2 0
0004.75ad.04b8 forward Ethernet0/0 0 0 0

Router2#show bridge
Total of 300 station blocks, 298 free
Codes: P - permanent, S - self
Bridge Group 1:
Address Action Interface Age RX count TX count
0050.bf90.7d33 forward Ethernet0/0 0 2 0
0004.75ad.04b8 forward Ethernet0/0 0 0 0

Router3#show bridge
Total of 300 station blocks, 298 free
Codes: P - permanent, S - self
Bridge Group 1:
Address Action Interface Age RX count TX count
0050.bf90.7d33 forward Ethernet0/0 1 3 3
0004.75ad.04b8 forward Ethernet0/1 1 3 2

Router4#show bridge
Total of 300 station blocks, 299 free
Codes: P - permanent, S - self
Bridge Group 1:
Address Action Interface Age RX count TX count
0050.bf90.7d33 forward Ethernet0/1 1 2 0
```
Router1#show spanning-tree
```
Bridge group 1 is executing the IEEE compatible Spanning Tree protocol
Bridge Identifier has priority 128, address 0007.50c4.8d60
Configured hello time 2, max age 20, forward delay 15
Current root has priority 128, address 0006.5b4b.e1da
Root port is 2 (Ethernet0/0), cost of root path is 100
Port Number size is 9
Topology change flag not set, detected flag not set
Times: hold 1, topology change 35, notification 2
hello 2, max age 20, forward delay 15
Timers: hello 0, topology change 0, notification 0
bridge aging time 300
Port 2 (Ethernet0/0) of Bridge group 1 is forwarding
Port path cost 100, Port priority 128
Designated root has priority 128, address 0006.5b4b.e1da
Designated bridge has priority 128, address 0006.5b4b.e1da
Designated port is 2, path cost 0
Timers: message age 1, forward delay 0, hold 0
BPDU: sent 4, received 242
Port 3 (Ethernet0/1) of Bridge group 1 is blocking
Port path cost 100, Port priority 128
Designated root has priority 128, address 0006.5b4b.e1da
Designated bridge has priority 128, address 0007.50c4.7780
Designated port is 3, path cost 100
Timers: message age 3, forward delay 0, hold 0
BPDU: sent 0, received 225
```
Router2#show spanning-tree
```
Bridge group 1 is executing the IEEE compatible Spanning Tree protocol
Bridge Identifier has priority 128, address 0007.50c4.7780
Configured hello time 2, max age 20, forward delay 15
Current root has priority 128, address 0006.5b4b.e1da
Root port is 2 (Ethernet0/0), cost of root path is 100
Port Number size is 9
Topology change flag not set, detected flag not set
Times: hold 1, topology change 35, notification 2
hello 2, max age 20, forward delay 15
Timers: hello 0, topology change 0, notification 0
bridge aging time 300
Port 2 (Ethernet0/0) of Bridge group 1 is forwarding
Port path cost 100, Port priority 128
Designated root has priority 128, address 0006.5b4b.e1da
Designated bridge has priority 128, address 0006.5b4b.e1da
Designated port is 1, path cost 0
Timers: message age 1, forward delay 0, hold 0
BPDU: sent 3, received 238
Port 3 (Ethernet0/1) of Bridge group 1 is forwarding
Port path cost 100, Port priority 128
Designated root has priority 128, address 0006.5b4b.e1da
Designated bridge has priority 128, address 0007.50c4.7780
Designated port is 3, path cost 100
Timers: message age 0, forward delay 0, hold 0
BPDU: sent 0, received 5

Router3#show spanning-tree
Bridge group 1 is executing the IEEE compatible Spanning Tree protocol
Bridge Identifier has priority 128, address 0007.853b.5e40
Configured hello time 2, max age 20, forward delay 15
Current root has priority 128, address 0006.5b4b.e1da
Root port is 2 (Ethernet0/0), cost of root path is 100
Port Number size is 9
Topology change flag not set, detected flag not set
Times: hold 1, topology change 35, notification 2
hello 2, max age 20, forward delay 15
Timers: hello 0, topology change 0, notification 0
bridge aging time 300
Port 2 (Ethernet0/0) of Bridge group 1 is forwarding
Port path cost 100, Port priority 128
Designated root has priority 128, address 0006.5b4b.e1da
Designated bridge has priority 128, address 0006.5b4b.e1da
Designated port is 1, path cost 0
Timers: message age 2, forward delay 0, hold 0
BPDU: sent 3, received 306
Port 3 (Ethernet0/1) of Bridge group 1 is forwarding
Port path cost 100, Port priority 128
Designated root has priority 128, address 0006.5b4b.e1da
Designated bridge has priority 128, address 0007.853b.5e40
Designated port is 3, path cost 100
Timers: message age 0, forward delay 0, hold 0
BPDU: sent 3, received 19
```
Router4#show spanning-tree
```
Bridge group 1 is executing the IEEE compatible Spanning Tree protocol
Bridge Identifier has priority 128, address 0007.50c1.0700
Configured hello time 2, max age 20, forward delay 15
Current root has priority 128, address 0006.5b4b.e1da
Root port is 3 (Ethernet0/1), cost of root path is 200
Port Number size is 9
Topology change flag not set, detected flag not set
Times: hold 1, topology change 35, notification 2
hello 2, max age 20, forward delay 15
Timers: hello 0, topology change 0, notification 0
bridge aging time 300
Port 2 (Ethernet0/0) of Bridge group 1 is blocking
Port path cost 100, Port priority 128
Designated root has priority 128, address 0006.5b4b.e1da
Designated bridge has priority 128, address 0007.853b.5e40
Designated port is 3, path cost 100
Timers: message age 2, forward delay 0, hold 0
BPDU: sent 3, received 303
Port 3 (Ethernet0/1) of Bridge group 1 is forwarding
Port path cost 100, Port priority 128
Designated root has priority 128, address 0006.5b4b.e1da
Designated bridge has priority 128, address 0007.50c4.7780
Designated port is 3, path cost 100
Timers: message age 2, forward delay 0, hold 0
BPDU: sent 3, received 292
```
By connecting each Root port to the Root, spanning tree topology can be easily obtained by using those spanning tree databases.