Distributed Spanning Tree Commands
OmniSwitch 6250 CLI Reference Guide November 2009 page 16-161
show spantree mst region
Displays the Multiple Spanning Tree (MST) region information for the switch.
show spantree mst region
Syntax Definitions
N/A
Defaults
N/A
Platforms Supported
OmniSwitch 6250
Usage Guidelines
• Three MST region attributes (configuration name, revision level, and configuration digest) define an
MST region as required by the IEEE 802.1Q 2005 standard. Switches that share the same values for
these attributes are all considered part of the same region. Currently each switch can belong to one
MST region at a time.
• This command is available when the switch is operating in either the 1x1 or flat Spanning Tree mode.
Examples
-> show spantree mst region
Configuration Name : Region 1
Revision Level : 0
Configuration Digest : 0xac36177f 50283cd4 b83821d8 ab26de62
Revision Max hops : 20
Cist Instance Number : 0
output definitions
Configuration Name An alphanumeric string up to 32 characters that identifies the name of
the MST region. Use the bridge mst region name command to define
this value.
Revision Level A numeric value (0–65535) that identifies the MST region revision
level for the switch.
Configuration Digest An MST region identifier consisting of a 16 octet hex value (as per the
IEEE 802.1Q 2005 standard) that represents all defined MSTIs and
their associated VLAN ranges. Use the bridge msti and bridge msti
vlan commands to define VLAN to MSTI associations.
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