Dell S6000 Reference Manual page 950

Command
This guide is platform-specific. For command information about other platforms,
History
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.0.2.0
Version
8.3.19.0
Version 8.3.11.1
Version 8.4.2.1
Version 8.3.7.0
Version 7.6.1.0
Version 7.5.1.0
Version 6.4.1.0
Usage Enable the multiple spanning tree protocol prior to using this command.
Information
Example
Dell#show spanning-tree msti 10
MSTI 10 VLANs mapped 101-105
Bridge Identifier has priority 32768, Address 0001.e802.3506
Configured hello time 2, max age 20, forward delay 15, max
hops 5
Current root has priority 16384, Address 0001.e800.0a5c
Number of topology changes 0, last change occurred 3058087
Port 82 (GigabitEthernet 2/0) is designated Forwarding
Port path cost 0, Port priority 128, Port Identifier 128.82
Designated root has priority 16384, address 0001.e800.0a:5c
Designated bridge has priority 32768, address 0001.e802.35:06
Designated port id is 128.82, designated path cost
Number of transitions to forwarding state 1
BPDU (Mrecords): sent 1109, received 0
The port is not in the portfast mode
Port 88 (GigabitEthernet 2/6) is root Forwarding
Port path cost 0, Port priority 128, Port Identifier 128.88
Designated root has priority 16384, address 0001.e800.0a:5c
Designated bridge has priority 16384, address 0001.e800.0a:5c
Designated port id is 128.88, designated path cost
Number of transitions to forwarding state 4
BPDU (Mrecords): sent 19, received 1103
The port is not in the portfast mode
Port 89 (GigabitEthernet 2/7) is alternate Discarding
Port path cost 0, Port priority 128, Port Identifier 128.89
Designated root has priority 16384, address 0001.e800.0a:5c
Designated bridge has priority 16384, address 0001.e800.0a:5c
Designated port id is 128.89, designated path cost
Number of transitions to forwarding state 3
950
Introduced on the S6000.
Introduced on the S4820T.
Introduced on the Z9000.
Support for the optional keyword guard was added on the
C-Series, S-Series, and E-Series TeraScale.
Introduced on the S4810.
Introduced on the S-Series.
Introduced on the C-Series.
Expanded to display the port error disable state (EDS)
loopback BPDU inconsistency causes.
Multiple Spanning Tree Protocol (MSTP)