Administration

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Diagnostics

 

 

 

 

 

Configuring Port Mirroring

Use the port mirroring feature to send network traffic on a port copied to another port for analysis by a network analyzer.

A mirroring session consists of a destination probe port and at least one source port. A mirror copy of the traffic on the source port(s) being probed are transmitted from the source port to the destination probe port. A network analyzer can be connected to a destination probe port to analyze network traffic.

A port configured as a destination probe port acts as a mirroring port as long as the session is operationally active. When the session is not active, the port transmits and receives traffic based on the other configuration parameters.

NOTE When a port is configured as a probe port, the switch does not forward or receive any traffic or respond to a ping.

To display the Port and VLAN Mirroring page, click Administration > Diagnostics > Port Mirroring in the navigation window.

Four mirroring sessions are available for configuration and are disabled by default. The Port Mirroring Session Table displays the following fields for each session:

•Session ID—A monitoring session ID number.

•Admin Mode—Indicates whether the port mirroring session is enabled or disabled.

•Destination Interface— To enable this feature, select it and choose the port to where the traffic on the source port is mirrored to the destination probe port.

•Source Interface—List of the source interfaces selected to participate in this mirroring session.

The Port Mirroring Source Interface Table lists the source interfaces assigned to each session. You can select Filter and select a Session ID to display data for only one session.

To set up port mirroring, you first assign source interfaces to a session. Then, you define a destination interface and enable the session. A session is operationally active only when the source and destination interfaces are configured and the administrative mode is enabled.

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Cisco Systems SLM2008PTNA manual Configuring Port Mirroring
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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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