Layer 2,3,IPv6+QoS Switch
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Layer 2,3,IPv6+QoS Network Switch User Manual Version 0.1 Page: 754/970
speed of the port if the configured value for Port Path Cost is zero.
Auto-calculate External Port Path Cost - Displays whether the external path cost is
automatically calculated (Enabled) or not (Disabled). External Path cost will be calculated
based on the link speed of the port if the configured value for External Port Path Cost is
zero.
Port ID - The port identifier for the specified port within the CST. It is made up from the port
priority and the interface number of the port.
Port Up Time Since Counters Last Cleared - Time since the counters were last cleared,
displayed in Days, Hours, Minutes, and Seconds.
Port Forwarding State - The Forwarding State of this port.
Port Role - Each MST Bridge Port that is enabled is assigned a Port Role for each
spanning tree. The port role will be one of the following values: Root Port, Designated Port,
Alternate Port, Backup Port, Master Port, or Disabled Port.
Designated Root - Root Bridge for the CST. It is made up using the bridge priority and the
base MAC address of the bridge.
Designated Cost - Path Cost offered to the LAN by the Designated Port.
Designated Bridge - Bridge Identifier of the bridge with the Designated Port. It is made up
using the bridge priority and the base MAC address of the bridge.
Designated Port - Port Identifier on the Designated Bridge that offers the lowest cost to
the LAN. It is made up from the port priority and the interface number of the port.
Topology Change Acknowledge - Identifies whether the next BPDU to be transmitted for
this port would have the topology change acknowledgement flag set. It is either "True" or
"False".
Edge port - indicates whether the port is enabled as an edge port. It takes the value
"Enabled" or "Disabled".
Point-to-point MAC - Derived value of the point-to-point status.
CST Regional Root - Bridge Identifier of the CST Regional Root. It is made up using the
bridge priority and the base MAC address of the bridge.
CST Path Cost - Path Cost to the CST Regional Root.
Command Buttons
Submit - Applies the new configuration and causes the changes to take effect. These
changes will not be retained across a power cycle unless a save configuration is
performed.
Refresh - Refreshes the screen with most recent data.
Force - Clicking this button will force the port to send out 802.1w or 802.1s BPDUs.
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