Table of Contents
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• Role
• Interface Priority
• Path Cost
• Designated Bridge
ID
• Designated Port ID
• Designated Cost
• Forward Transitions T
• Remaining Hops
MSTP Interface status table
The page displays the current MST Interfaces configuration and status.
• Master Port, where provides connectivity from a MSTP region to
the outlying CIST root.
• Internal, in
dicates the port is an internal port.
Indicates the port role assigned by the STP algorithm in order to
provide to STP paths. The possible field values are:
• Root, provides the lowest cost path to forward packets to root
device.
• Design
ated, indicates the port or LAG via which the designated
device is attached to the LAN.
• Alternate, provides an alternate path to the root device from the
root interface.
• Backup, provides a backup path to th
toward the Spanning Tree leaves. Backup ports occur only when
tw
o ports are connected in a loop by a point-to-point link.
B
ackup ports also occur when a LAN has two or more
connections connected to a shared segment.
• Disabled, which indicates the port is not participating in the
Spanning Tree.
Defines the interface priority for specified instance.
The default value is 128.
Indicates the p
ort contribution to the Spanning Tree instance. The
range should always be 1200,000,000.
Where indicates that the bridg
shared LAN to the root.
By which indicates that the Port ID number on the designated bridge
th
at connects the link or the shared LAN to the root.
In
dicates that the default path cost is assigned according to the
met
hod selected on the Spanning Tree Global Settings scree
his indicates the number of times the port has changed from the
Forw
arding state to Blocking state.
Indicates the hops remaining to the next destination.
e designated port path
e ID number that connects the link or
n.
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