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Using 802.1Q 2005 Multiple Spanning Tree
Spanning Tree Port Parameter Defaults
OmniSwitch AOS Release 6 Network Configuration Guide
September 2009
page 12-3
Spanning Tree Port Parameter Defaults
Multiple Spanning Tree Region Defaults
Although the following parameter values are specific to MSTP, they are configurable regardless of which
mode (flat or 1x1) or protocol is active on the switch.
mode (flat or 1x1) or protocol is active on the switch.
Automatic VLAN Containment
Disabled
Parameter Description
Command
Default
Spanning Tree port administrative state
Enabled
Port priority value for a Multiple Span-
ning Tree instance
ning Tree instance
7
Port path cost for a Multiple Spanning
Tree instance
Tree instance
0 (cost is based on port speed)
Port state management mode
Dynamic (Spanning Tree Algo-
rithm determines port state)
rithm determines port state)
Type of port connection
auto point to point
Parameter Description
Command
Default
The Multiple Spanning Tree region name
blank
The revision level for the Multiple Span-
ning Tree region
ning Tree region
0
The maximum number of hops autho-
rized for the region
rized for the region
20
The number of Multiple Spanning Tree
instances
instances
1 (flat mode instance)
The VLAN to Multiple Spanning Tree
instance mapping.
instance mapping.
All VLANs are mapped to the
Common Internal Spanning
Tree (CIST) instance
Common Internal Spanning
Tree (CIST) instance
Parameter Description
Command
Default