13.
Rapid Spanning Tree Protocol (RSTP)
MN700004 Rev 01
135
Example
device-name
#
show rapid-spanning-tree
Rapid spanning tree = enabled
ProtocolSpecification = ieee8021w
Priority = 32768
TimeSinceTopologyChange = 32 (Sec)
TopChanges = 3
DesignatedRoot = 04096.00:A0:12:00:00:03
RootPort = 01/01/03
RootCost = 200000
MaxAge = 20 (Sec)
HelloTime = 2 (Sec)
ForwardDelay = 15 (Sec)
BridgeMaxAge = 20 (Sec)
BridgeHelloTime = 2 (Sec)
BridgeForwardDelay = 15 (Sec)
TxHoldCount = 3
MigrationTimer = 3 (Sec)
DetectLineCRCReconfig = disabled
============================================================================
Port |Pri|Prt role|State|PCost |DCost |Designated bridge |DPrt |FwrdT
-------+---+--------+-----+------+------+------------------+------+-----
01/01/03 128 Root frwrd 200000 0
04096.00A012000003 128.31 1
01/01/04 128 Altern discr 200000 0
04096.00A012000003 128.37 1
show rapid-spanning-tree interface
The
show rapid-spanning-tree interface
command, in Privileged (Enable) mode, displays
the Rapid-Spanning-Tree topology for the specified port.
Command Syntax
device-name
#
show rapid-spanning-tree interface
UU/SS/PP
Example
In the following example the DesignatedRoot value indicates that the bridge is the root.
device-name
#
show rapid-spanning-tree interface 1/1/1
PortPriority = 128
PortState = forwarding
PortRole = Designated Port
PortEnable = enabled