Users Guide

Example
OS10(config)# spanning-tree vlan 100 mac-flush-threshold 255
Supported
Releases
10.4.0E(R1) or later
spanning-tree vlan max-age
Configures the time period the bridge maintains configuration information before refreshing the information by recomputing RPVST.
Syntax
spanning-tree vlan vlan-id max-age seconds
Parameters max-age seconds — Enter a maximum age value in seconds, from 6 to 40.
Default 20 seconds
Command Mode CONFIGURATION
Usage Information None
Example
OS10(config)# spanning-tree vlan 10 max-age 10
Supported
Releases
10.2.0E or later
spanning-tree vlan priority
Sets the priority value for RPVST+.
Syntax
spanning-tree vlan vlan-id priority priority value
Parameters priority priority value — Enter a bridge-priority value in increments of 4096, from 0 to 61440. Valid
priority values are: 0, 4096, 8192, 12288, 16384, 20480, 24576, 28672, 32768, 36864, 40960, 45056, 49152,
53248, 57344, and 61440. All other values are rejected.
Default Not configured
Command Mode CONFIGURATION
Usage Information The RPVST+ protocol determines the root bridge. Assign one bridge a lower priority to increase the probability of
it being the root bridge. A lower priority value increases the probability of the bridge becoming a root
bridge.
Example
OS10(config)# spanning-tree vlan 10 priority 0
Supported
Releases
10.2.0E or later
spanning-tree vlan priority (Interface)
Sets an interface priority when two bridges compete for position as the root bridge.
Syntax
spanning-tree vlan vlan-id priority value
Parameters value — Enter a priority value in the increments of 16, from 0 to 240.
Default 128
Command Mode INTERFACE
Usage Information Breaks the tie between the two bridges which compete for root bridge.
Example
OS10(conf-if-eth1/1/4)# spanning-tree vlan 10 priority 16
Supported
Releases
10.2.0E or later
436 Layer 2