Specifications
Switching show mstp 8-187
Software Release 2.7.3
C613-03098-00 REV A
show mstp
Syntax SHow MSTp [CONFIGID] [TAble]
Description This command displays information about MSTP. See Figure 8-20 on
page 8-187, and Table 8-40 on page 8-187.
If the configid parameter is specified, the MST Configuration Identification is
displayed as shown in Figure 8-21 on page 8-188, and Table 8-41 on page 8-188.
If the table parameter is specified, the MST Configuration Table that contains
the map between MSTIs and VLANs is displayed as shown in Figure 8-22 on
page 8-188, and Table 8-42 on page 8-188.
Figure 8-20: Example output from the show mstp command
MSTP Information
----------------------------------------------------------------------------------
MSTP Status .................................. Enabled
MST Configuration Name ....................... mstRegion1
MST Revision Level ........................... 0
Number of MSTIs .............................. 10
Hello Time ................................... 2
Forward Delay ................................ 15
Max Message Age .............................. 100
Max Hops ..................................... 5
Protocol Version ............................. MSTP
Support Static VLANs ......................... Enabled
Transmission Limit ........................... 3
Migrate Time ................................. 8
----------------------------------------------------------------------------------
Table 8-40: Parameters in output of the show mstp command
Parameter Description
MSTP Status Whether MSTP is enabled.
MST Configuration Name Name of the MST region.
MST Revision Level Revision level of the MST region.
Number of MSTIs Number of Multiple Spanning Tree instances.
Protocol Version Spanning Tree Protocol version: STP, RSTP, or MSTP.
Max Hops Maximum hop count in transmitting information within an MST region
Transmission Limit Number of bridge protocol messages (BPDUs) that may be transmitted in the interval
specified by Hello Time
Migrate Time A constant timer value used as the initial value of the migration delay. The value of Migrate
Time is 3 seconds
Hello Time The seconds between transmissions of spanning tree configuration information (BPDUs)
Forward Delay Number of seconds that controls how fast a port changes its spanning tree state when
moving towards the forwarding state
Max Message Age Maximum age of received bridge protocol message (BPDU) information before it is discarded
Support Static VLAN Whether a supporting static VLAN configuration is enabled.