Dell Force10 S4810P Configuration Manual page 869

Figure 42-4. Rapid Spanning Tree Enabled Globally
R1
1/3
1/4
1/1 1/2
3/2
3/1
3/3
3/4
R3
Port 684 (GigabitEthernet 4/43) is alternate
Port path cost 20000, Port priority 128, Port Identifier 128.684
Designated root has priority 32768, address 0001.e801.cbb4
Designated bridge has priority 32768, address 0001.e801.cbb4
Designated port id is 128.684, designated path cost 20000
Number of transitions to forwarding state 0
BPDU : sent 3, received 219
The port is not in the Edge port mode
View the interfaces participating in Rapid Spanning Tree using the
EXEC privilege mode. If a physical interface is part of a port channel, only the port channel is listed in the
command output.
2/1
Forwarding
2/2
Blocking
2/3
root
R2
2/4
Discarding Discarding
show spanning-tree rstp
Rapid Spanning Tree Protocol (RSTP) | 869
command from