154
C
HAPTER
11: C
ONFIGURING
S
PANNING
T
REE
■
Enabled
— Indicates fast link is enabled on the port.
■
Auto
— Enables the device to automatically establish a fast link.
■
Disabled
— Indicates fast link is disabled on the port.
■
Root Guard
— Restricts the interface from acting as the root port of
the switch. The possible field values are:
■
Enable
— Indicates Root Guard is enabled on the port
■
Disable
— Indicates Root Guard is disabled on the port.
■
Default Path Cost
— Specifies if Default Path Cost is enabled. The
possible field values are:
■
Enable
— Enables the default path cost on the port.
■
Disable
— Disables the default path cost on the port.
■
Path Cost
— Defines the port contribution to the root path cost. The
path cost is adjusted to a higher or lower value, and is used to forward
traffic when a path is re-routed. The field range is 1-200,000,000
.
■
Priority
— Defines the priority value of the port. The priority value
influences the port choice when a bridge has two ports connected in a
loop. The priority value is between
0-240
. The priority value is
determined in increments of 16.
■
RSTP Link Type
— Specifies whether a Point-to-Point link is
established, or if the device is permitted to establish a Point-to-Point
link. The possible field values are:
■
Auto
—
E
nables the device to establish automatically Point-to-Point
link.
■
Point to Point
—
Indicates if a Point-to-Point link is currently
established on the port. Ports set to Full Duplex modes are
considered Point-to-Point port links.
■
Shared
— Enables the device to establish a shared link.
■
Select Port(s)
— Selects the ports to be defined.
2
Select the ports to be defined
3
Define the fields.
4
Click
. Spanning Tree is modified on the port, and the device is
updated.