Qtech QSW-3200-28FC [77/136] Configure mstp interface link type

Qtech QSW-3200-28T [77/136] Configure mstp interface link type
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Example:
! Confiureprivilege of net bridge in MSTP example 4 to be 4096
QTECH(config)#spanning-tree mst instance 4 priority 4096
9.4.5 Configure edge interface status of MSTP interface
As SST, after linking up of interface with edge interface attribution, if it hasn’t received any
packet in two packet-sending periods, interface will be in forwarding status.
Configure it in interface configuration mode:
Configure interface to be edge interface
spanning-tree mst portfast
! Example:
Configure interface 2 to be edge interface
QTECH(config-if-ethernet-0/0/2)#spanning-tree mst portfast
9.4.6 Configure MSTP interface link type
Interface link type are twookinds: one is sharing medium (linking through hub), the other is
point-to-point. Link type is used in suggestion-aggression mechanism. Only the interface of
point-to-point can shift fast. Link type can be specified manually or self-detect by STP.
! Example
Configure link type of interface 2 to be point-to-point for cefalse
QTECH(config-if-ethernet-0/0/2)#spanning-tree mst link-type point-to-point for cefalse
9.4.7 Configure MSTP interface path cost
Interface path cost are internal cost and external cost. The former is based on each MSTP
example configured parameter to determine topology of different example in each MSTP
region. The latter is the parameter which has nothing to do with example and determine the
CST topology formed by each region.
Configure it in interface configuration mode:
Configure the path cost of interface in some instance
spanning-tree mst instance instance-num cost cost
Configure the external path cost of interface
spanning-tree mst external cost cost
Example:
! Configure the path cost of interface 2 in instance 1 to be 10
QTECH(config-if-ethernet-0/0/2)#spanning-tree mst instance 1 cost 10
! Configure the external path cost of interface 2 to be 10
QTECH(config-if-ethernet-0/0/2)#spanning-tree mst external cost 10
9.4.8 Configure MSTP interface privilege
In MSTP, interface privilege is the parameter based on each STP instance.
Configure it in interface configuration mode:
Configure interface privilege in some instance
spanning-tree mst instance instance-num port-priority priority
! Configure privilege of interface 2 in instance 1 to be 16
QTECH(config-if-ethernet-0/0/2)#spanning-tree mst instance 1 port-priority 16

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