Spanning Tree

6

 

Configuring STP Interface Settings

 

 

 

 

 

STP—Select to enable STP operation on the port/LAG.

Auto Edge—Select Enable to allow the switch to automatically determine if the port is an edge port or PortFast. A port is an edge port if it is not connected to a bridge. Auto-detection speeds up the transition of the port to forwarding state. A port can forward traffic and learn MAC addresses when it is in forwarding state.

Edge Port—Select Enable to manually configure the port as an edge port.

BPDU Handling—Bridge Protocol Data Units (BPDUs) are the messages exchanged between switches to calculate STP topology. Select the method of BPDU packet handling when the spanning tree is disabled on an interface:

-Filtering—Enables the port to discard BPDUs received on interfaces that are not enabled for STP.

-Flooding—Allows flooding of BPDUs received on non-spanning-tree ports to all other non-spanning-tree ports.

Path Cost—Specify the port path cost. The cost of a path to the root bridge is the sum of the costs of all ports in the path. The path cost is used by CST and RSTP to forward traffic when a path is being rerouted. Select Use Default to set the path cost to the port speed. Or select User Defined to set a custom value between 0 and 200,000,000. A value of zero means the path cost is set according to the port's speed.

STEP 4 Click Apply and then click Close. Your changes are saved to the Running Configuration.

The new configuration appears in the STP Interface Settings Table along with the following information about the port/LAG.

Operational Edge Status—Indicates if a port is currently operating as an edge port (or PortFast port). This will indicate Enabled if the port is in the forwarding state due to either of the following configurations:

-The port is configured as an Edge Port and is therefore automatically in the forwarding state.

-The port is configured as an Auto Edge port and, because it has not received BDPUs, has transitioned to forwarding state.

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SLM2008PTNA specifications

Cisco Systems SLM2008PTNA is a robust network switch designed specifically for small to medium-sized businesses. It operates with 8 Fast Ethernet ports, providing advanced features and best-in-class performance to enhance your network infrastructure. This model ensures seamless connectivity for multiple devices, making it an ideal choice for environments requiring reliable network communication.

One of the standout features of the SLM2008PTNA is its Layer 2 switching capabilities. This switch supports auto-negotiation, which allows each port to automatically detect the speed of the connected device and adjust accordingly. This ensures optimal performance and smooth operation across various connected devices. Additionally, the switch supports a non-blocking architecture, ensuring that bandwidth is not shared, which significantly enhances data transmission speed.

Power over Ethernet (PoE) is another key technology incorporated into the Cisco SLM2008PTNA. It simplifies the installation of network devices such as VoIP phones, security cameras, and wireless access points by supplying power through the Ethernet cable. This eliminates the need for separate power sources, reducing installation costs and increasing flexibility in device placement.

Moreover, the SLM2008PTNA comes equipped with advanced security features, such as port security and VLAN support. Port security allows network administrators to restrict access to the network based on MAC addresses, preventing unauthorized access and enhancing network security. The support for Virtual Local Area Networks (VLANs) enables the segmentation of the network into different logical networks, improving traffic management and security within each segment.

The switch is designed for easy management and monitoring, featuring a user-friendly web interface that simplifies configuration. This allows network administrators to quickly set up and manage the device without requiring extensive technical knowledge. Additionally, its compact design makes it suitable for desktop or rack-mount installation, maximizing space efficiency in network environments.

In conclusion, the Cisco Systems SLM2008PTNA is an essential component for small to medium-sized businesses looking to enhance their network performance. With its Layer 2 switching capabilities, Power over Ethernet support, advanced security features, and ease of management, this switch provides a well-rounded solution for modern networking needs, delivering reliable performance and scalability for growth.