3Com 10014298 manual Enable/Disable Mstp on a Device, Enable/Disable Mstp on a Port

204CHAPTER 8: STP OPERATION

For more about the configuration commands, see the Switch 7750 Command

Reference Guide.

Enabling MSTP on the You can use the following command to enable MSTP on the device.

Device

Perform the following configuration in system view.

Table 213 Enable/Disable MSTP on a Device

Operation	Command
Enable MSTP on a device.	stp enable
Disable MSTP on a device.	stp disable
Restore the disable state of MSTP, as	undo stp
defaulted.

Only if MSTP has been enabled on the device will other MSTP configurations take effect.

By default, MSTP is disabled.

Enabling or Disabling You can use the following command to enable or disable MSTP on a port. You MSTP on a Port may disable MSTP on some Ethernet ports of a switch to spare them from

spanning tree calculation. This measure flexibly controls MSTP operation and saves the CPU resources of the switch.

MSTP can be enabled/disabled on a port the following ways.

Configuring in System View

Perform the following configuration in system view.

Table 214 Enable/Disable MSTP on a Port

Operation	Command
Enable MSTP on a port.	stp interface interface-list
	enable
Disable MSTP on a port.	stp interface interface-list
	disable
Restore the default MSTP state on the port.	undo stp interface-list

Configuring in Ethernet Port View

Perform the following configuration in Ethernet port view.

Table 215 Enable/Disable MSTP on a Port

Operation	Command
Enable MSTP on a port.	stp enable
Disable MSTP on a port.	stp disable
Restore the default MSTP state on the port.	undo stp

For more information about the commands, see the Switch 7750 Command

Reference Guide.

A redundant route may be generated after MSTP is disabled.