Cisco Nexus 5000 Series Command Reference Release 4.0(1a)N2(1) (OL-16599-01, March 2009)

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Cisco Nexus 5000 Series Command Reference
OL-16599-01
Chapter 3 Ethernet Show Commands
show spanning-tree root
show spanning-tree root
To display the status and configuration of the root bridge, use the show spanning-tree root command.
show spanning-tree root [address | brief | cost | detail | forward-time | hello-time | id | max-age
| port | priority [system-id]]
Syntax Description
Command Default None
Command Modes EXEC mode
Command History
Examples This example shows how to display information for the root bridge:
switch(config)# show spanning-tree root
Related Commands
address (Optional) Displays the MAC address for the STP root bridge.
brief (Optional) Displays a brief summary of the status and configuration for the
the root bridge.
cost (Optional) Displays path cost from the root to this bridge.
detail (Optional) Displays detailed information on the status and configuration for
the root bridge.
forward-time (Optional) Displays the STP forward delay interval for the root bridge.
hello-time (Optional) Displays the STP hello time for the root bridge.
id (Optional) Displays the STP bridge identifier for the root bridge.
max-age (Optional) Displays the STP maximum-aging time for the root bridge.
port (Optional) Displays which port is the root port.
priority (Optional) Displays the bridge priority for the root bridge.
system-id (Optional) Displays the bridge identifier with the system ID extension for the
root bridge.
Release Modification
4.0(0)N1(1a) This command was introduced.
Command Description
show spanning-tree Displays information STP.
show spanning-tree
active
Displays information about STP active interfaces only.
show spanning-tree
bridge
Displays bridge ID, timers, and protocol for the local bridge on the switch.