Extreme Networks Summit WM3000 Series, Reference Manual

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Network Setup
Summit WM3000 Series Controller System Reference Guide
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3 Select an Id and click the Edit button to revise the selected MSTP port configuration.
Editing a MSTP Port Configuration
To edit and reconfigure MSTP Port parameters.
Designated Port
Defines the port connection used to send and receive packets. By having
only one designated port per segment, all looping issues should be
resolved. Once the designated port has been selected, any other ports
that connect to that segment become non-designated ports and block
traffic from taking the defined path.
Forward Transitions
Forward Transitions Displays the number of MSTP state transitions to the
forwarding state that have occurred on this port.
Protocol Migration
The controller can interoperate with legacy 802.1d bridges running STP /
RSTP. If the port receives a legacy
802.1D configuration BPDU, it only sends 802.1D BPDUs over its port
from that point on. Enable this option to restart detection of whether the
port is connected to an MSTP capable bridge or a legacy 802.1 bridge.
Admin Edge Port
A green checkmark defines the listed index enabled as an Admin Edge
Port, and a red “X” defines the listed index as not being an Admin Edge
Port. Enable it only on ports that connect to a single location.
Oper Edge Port
Oper Edge Port Displays whether the port is currently an edge port.
Admin Point-to-Point
Displays the point-to-point status as ForceTrue or ForceFalse. ForceTrue
indicates this port should be treated as connected to a point-to-point link.
ForceFalse indicates this port should be treated as having a shared
connection.
Oper Point-to-Point
Displays whether the listed port index is configured to connect to another
port through a point-to-point link. A green checkmark indicates the port
as supporting point-to-point, and a red “X” indicates the port as having
point-to-point disabled.