Distributed Spanning Tree Commands
OmniSwitch 6250 CLI Reference Guide November 2009 page 16-117
show spantree
Displays Spanning Tree bridge information for the flat mode Common and Internal Spanning Tree (CIST)
instance or a 1x1 mode VLAN instance.
show spantree [instance]
Syntax Definitions
instance The flat mode CIST instance or an existing VLAN ID number (1–4094).
Defaults
Platforms Supported
OmniSwitch 6250
Usage Guidelines
• If an instance number is not specified, this command displays the Spanning Tree status, protocol, and
priority values for all instances.
• Specifying an instance number with this command when the switch is running the 1x1 Spanning Tree
operating mode implies a VLAN ID and displays Spanning Tree bridge information for the associated
VLAN instance.
• If the switch is running in the flat mode and STP (802.1D) or RSTP (802.1W) is the active protocol,
enter 1 to specify the CIST instance. If MSTP is the active protocol, however, entering 1 for the
instance number is not accepted. In this case, use the show spantree cist or show spantree msti
commands instead.
Examples
-> bridge mode flat
-> bridge protocol rstp
-> show spantree
Spanning Tree Path Cost Mode : AUTO
Bridge STP Status Protocol Priority(Prio:SysID)
------+----------+--------+--------------------
1 ON RSTP 32768 (0x8000:0x0000
parameter default
instance all instances
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