The traffic will not go through the root bridge. If the stations connected to them (not present in the exhibit) need to communicate, the traffic will go through the ingress 2950, go up to the 3550 switch in the distribution layer, and then proceed down to the next 2950.
Notice now the two leftmost 2950 access layer switches. The root bridge is located at the top right corner. The dotted lines are installed links that are blocked by STP while the bold lines are installed links in Forwarding state. Consider the following topology (taken from Cisco documentation): Port does not direct received BPDUs to the switch system module for processing.Your colleague is correct.Port does not participate in any operation of STP because it is considered non-operational.Switch port enters the disabled state as a result of an administrative command to disable the port.Switch port remains in forwarding state until any change is detected in network.Port incorporates LAN host location information into the MAC address database.Port forwards the frames received from the attached network segment or switched from another port.Switch port enters forwarding state after passing through all the states involved in creation of network topology.Switch port remains in learning state for 15 seconds and then move to forwarding state.Port receive, process, and transmit BPDUs received from the system module.
Port incorporates LAN host location information into its MAC address database. Port discards frames received from the attached network segment or switched from another port for forwarding. Switch port enters learning state after passing through the listening state as per the decision taken by STP. Switch port remains in listening state for 15 seconds and then move to learning state. Also, it process BPDUs received from the switch system module. Port receives BPDUs and directs them to the switch system module for processing. Port discards frames received from the attached network segment or switched from another port. In this state, STP determines whether the port should participate in frame forwarding or not. Listening state is the first transitional state after blocking state. Switch port remains in blocking state for 20 seconds and later changes to listening state. Port receives and responds to network management messages. Port discards the frames received from attached network segments or switched from another port for forwarding. Switch port enters the blocking state at time of election process, when a switch receives a BPDU on a port that indicates a better path to the Root Switch or if a port is not a Root Port. There are five Spanning Tree Port States : Difference between Synchronous and Asynchronous Transmission. nslookup command in Linux with Examples. #SWITCH MAC ADDRESS LEARNING SPANNING TREE HOW TO#
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