Dell POWEREDGE M1000E - Manual (Page 655)

Configuring the Spanning Tree Protocol 655
Configuring STP Interface Settings
Beginning in Privileged EXEC mode, use the following commands to
configure the STP settings for a specific interface.
spanning-tree tcnguard Prevent the port from propagating topology change
notifications.
CTRL + Z Exit to Privileged EXEC mode.
show spanning-tree
summary
View various spanning tree settings and parameters for the
switch.
Command Purpose
configure Enter global configuration mode.
interface interface Enter interface configuration mode for the specified
interface. The interface variable includes the interface type
and number, for example gigabitethernet 1/0/3 or port-
channel 4.
You can also specify a range of interfaces with the interface
range command, for example, interface range
gigabitethernet 1/0/8-12 configures interfaces 8, 9, 10, 11,
and 12. The range keyword is also valid for LAGs (port
channels).
spanning-tree disable Disable spanning-tree on the port.
spanning-tree port-
priority priority
Specify the priority of the port. (Range: 0–240).
The priority value is used to determine which ports are put
in the forwarding state and which ports are put in the
blocking state. A port with a lower priority value is more
likely to be put into a forwarding state.
spanning-tree cost cost Specify the spanning-tree path cost for the port. (Range:
0–200,000,000). The default cost is 0, which signifies that
the cost is automatically calculated based on port speed.
CTRL + Z Exit to Privileged EXEC mode.
show spanning-tree
interface
View spanning tree configuration information for the
specified port or LAG (port channel).
Command Purpose