Security

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802.1X

 

 

 

 

 

•Reset Port—Select to reset the port if it has been shut down by the Port Security feature.

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

Viewing and Configuring Secure MAC Addresses

To view the current list of secure MAC addresses, associated ports, and VLANs, click Secure Address Table on the Port Security page.

For each interface, the Secure Address Table lists each secured statically configured MAC address, regardless of the locked or unlocked status of the port. The table also lists dynamically learned MAC addresses for locked ports. Dynamic entries for a port are cleared when the port is changed from locked to unlocked or when the link goes down.

You can click Static Address Table to display the page for configuring static addresses. See Configuring Static MAC Addresses. Be sure to set the Status field for the entry to Secure.

You can click Port Security Table to redisplay the Port Security page.

802.1X

Local Area Networks (LANs) are often deployed in environments that permit unauthorized devices to be physically attached to the LAN infrastructure, or permit unauthorized users to attempt to access the LAN through equipment already attached. In such environments, it might be desirable to restrict access to the services offered by the LAN to those users and devices that are permitted to use those services.

Port-based access control provides a method for networks to control whether hosts can access services provided by a connected port. You can configure the switch to use port-based network access control based on the IEEE 802.1x protocol.

The 802.1x protocol defines three types of entities:

•Supplicant: An entity that requests access to a port at the remote end of the link. The supplicant provides credentials to the network that another node

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Cisco Systems SLM2008PTNA manual 802.1X, Viewing and Configuring Secure MAC Addresses
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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.
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