Cisco SR224T-NA Administration Guide - Page 183
Path Cost, Priority, Port State, Designated Bridge ID, Forward Transitions, Blocking, Forwarding
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Configuring the Spanning Tree Protocol Defining Spanning Tree Interface Settings 13 - Flooding-Floods BPDU packets when Spanning Tree is disabled on an interface. • Path Cost-Set the port contribution to the root path cost or use the default cost generated by the system. • Priority-Set 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 is a value from 0 to 240, set in increments of 16. • Port State-Displays the current STP state of a port. - Disabled-STP is currently disabled on the port. The port forwards traffic while learning MAC addresses. - Blocking-The port is currently blocked, and cannot forward traffic (with the exception of BPDU data) or learn MAC addresses. - Listening-The port is in Listening mode. The port cannot forward traffic, and cannot learn MAC addresses. - Learning-The port is in Learning mode. The port cannot forward traffic, but it can learn new MAC addresses. - Forwarding-The port is in Forwarding mode. The port can forward traffic and learn new MAC addresses. • Designated Bridge ID-Displays the bridge priority and the MAC address of the designated bridge. • Designated Port ID-Displays the priority and interface of the selected port. • Designated Cost-Displays 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-Displays the number of times the port has changed from the Blocking state to Forwarding state. • Speed-Displays the speed of the port. • LAG-Displays the LAG to which the port belongs. If a port is a member of a LAG, the LAG settings override the port settings. STEP 4 Click Apply. The interface settings are written to the Running Configuration file. Cisco Small Business 200 Series Smart Switch Administration Guide 184