Spanning tree tab - rstp port settings – Linksys SRW2008 User Manual
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Chapter 5: Using the Web-based Utility for Configuration
Spanning Tree Tab - RSTP Port Settings
WebView Switches
•
Blocking. Indicates that the port is currently blocked and cannot forward traffic or learn MAC addresses.
Blocking is displayed when Classic STP is enabled.
•
Listening. Indicates that the port is in Listening mode. The port cannot forward traffic nor can it learn
MAC addresses.
•
Learning. Indicates that the port is in Learning mode. The port cannot forward traffic, however it can
learn new MAC addresses.
•
Forwarding. Indicates that the port is in Forwarding mode. The port can forward traffic and learn new
MAC addresses.
Speed. Indicates the speed at which the port is operating.
Path Cost. Indicates 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 being rerouted.
Default Path Cost. When selected the default path cost is implemented.
Priority. 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 provided in increments of 16.
Designated Bridge ID. Indicates the bridge priority and the MAC Address of the designated bridge.
Designated Port ID. Indicates the selected port’s priority and interface.
Designated Cost. Indicates the cost of the port participating in the STP topology. Ports with a lower cost are less
likely to be blocked if STP detects loops.
Forward Transitions. Indicates the number of times the port has changed from the Blocking state to Forwarding
state.
Spanning Tree Tab - RSTP Port Settings
While the classic spanning tree prevents Layer 2 forwarding loops in a general network topology, convergence
can take between 30-60 seconds. This time may delay detecting possible loops, and propagating status topology
changes. Rapid Spanning Tree Protocol (RSTP) detects and uses network topologies that allow a faster STP
convergence without creating forwarding loops.
Interface. Displays the port or LAG on which Rapid STP is enabled.
Figure 5-49: Spanning Tree - RSTP Port Settings