Spanning Tree Commands - Supermicro SSE-G2252 User Manual

Chapter 34: Spanning Tree Commands
spanning-tree
Table 34-1: Spanning Tree Commands (Continued)
Command
spanning-tree
loopback-detection trap
spanning-tree mst cost
spanning-tree
mst port-priority
spanning-tree
port-bpdu-flooding
spanning-tree port-priority
spanning-tree root-guard
spanning-tree
spanning-disabled
spanning-tree tc-prop-stop
spanning-tree
loopback-detection release
spanning-tree
protocol-migration
show spanning-tree
show spanning-tree
mst configuration
This command enables the Spanning Tree Algorithm globally for the switch.
Use the no form to disable it.
S
YNTAX
[no] spanning-tree
D S
EFAULT ETTING
Spanning tree is enabled.
C M
OMMAND ODE
Global Configuration
C U
OMMAND SAGE
The Spanning Tree Algorithm (STA) can be used to detect and disable
network loops, and to provide backup links between switches, bridges or
routers. This allows the switch to interact with other bridging devices (that
is, an STA-compliant switch, bridge or router) in your network to ensure
that only one route exists between any two stations on the network, and
provide backup links which automatically take over when a primary link
goes down.
E
XAMPLE
This example shows how to enable the Spanning Tree Algorithm for the
switch:
– 1022 –
Function
Enables BPDU loopback SNMP trap notification for a
port
Configures the path cost of an instance in the MST
Configures the priority of an instance in the MST
Floods BPDUs to other ports when global spanning tree
is disabled
Configures the spanning tree priority of an interface
Prevents a designated port from passing superior
BPDUs
Disables spanning tree for an interface
Stops propagation of topology change information
Manually releases a port placed in discarding state by
loopback-detection
Re-checks the appropriate BPDU format
Shows spanning tree configuration for the common
spanning tree (i.e., overall bridge), a selected
interface, or an instance within the multiple spanning
tree
Shows the multiple spanning tree configuration
Mode
IC
IC
IC
IC
IC
IC
IC
IC
PE
PE
PE
PE