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DES-3228PA Embedded Web System User Guide
MSTP Instance Settings Page contains the following fields:
The
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Instance ID — Lists the MSTP instances configured on the device. Possible field range is 0-15.
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Interface — Displays the interface for which the MSTP settings are displayed. The possible field values are:
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Port — Specifies the port for which the MSTP settings are displayed.
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LAG — Specifies the LAG for which the MSTP settings are displayed.
•
MSTP — Specifies whether or not MSTP is enable on the interface. The possible field values are:
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Enabled — Enables MSTP on the interface.
–
Disabled — Disables MSTP on the interface.
•
Port State— Indicates whether the port is enabled for the specific instance. The possible field values are:
–
Enabled — Enables the port for the specific instance.
–
Disabled — Disables the port for the specific instance.
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Type — Indicates whether the port is a Boundary or Master port. The possible field values are:
–
Boundary Port — Indicates that the port is a Boundary port. A Boundary port attaches MST bridges to
LANs in an outlying region. If the port is a Boundary port, this field also indicates whether the device on
the other side of the link is working in RSTP or STP mode
–
Master Port — Indicates the port is a master port. A Master port provides connectivity from a MSTP
region to the outlying CIST root.
•
Role — Indicates the port role assigned by the STP algorithm to provide to STP paths. The possible field val-
ues are:
–
Root — Provides the lowest cost path to forward packets to the root device.
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Designated — Indicates the port or LAG through which the designated device is attached to the LAN.
–
Alternate — Provides an alternate path to the root device from the root interface.
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