WS-X6148-RJ-21 Cisco 48 Ports Ethernet Module Refurbished

In the realm of networking equipment, Cisco Systems stands out as a leading provider of innovative solutions designed to meet the diverse needs of businesses and organizations worldwide. Among its extensive product lineup, the Cisco WS-X6148-RJ-21 Catalyst 6500 48-Port 10/100 Fast Ethernet Module represents a versatile and high-performance option for expanding network connectivity. In this comprehensive guide, we explore the features, specifications, benefits, and potential use cases of the Cisco WS-X6148-RJ-21 module.

Ethernet modules are essential components in networking devices, facilitating the connection of multiple devices within a local area network (LAN) or across a wider network infrastructure. These modules come in various configurations, offering different port densities, speeds, and features to accommodate diverse networking requirements. The Cisco WS-X6148-RJ-21 Catalyst 6500 Fast Ethernet Module is specifically designed to provide high-speed connectivity for Ethernet-enabled devices in enterprise networks.

The Cisco WS-X6148-RJ-21 module is part of the Catalyst 6500 series, a flagship line of modular switches renowned for their scalability, reliability, and performance. This particular module features 48 ports capable of supporting both 10/100 Mbps Fast Ethernet speeds. The inclusion of 48 ports ensures ample connectivity options for connecting a wide range of devices, from computers and printers to servers and network appliances.

• 48-Port Configuration: The Cisco WS-X6148-RJ-21 module offers a total of 48 ports, allowing for extensive connectivity within a network infrastructure. This high port density minimizes the need for additional modules or switches, simplifying network architecture and management.
• Fast Ethernet Support: With support for both 10 Mbps and 100 Mbps Fast Ethernet speeds, this module enables high-speed data transfer between devices, ensuring smooth and efficient communication within the network.
• RJ-21 Interface: The RJ-21 interface standardizes the connection between the module and external devices, providing a reliable and convenient means of connectivity. This interface is commonly used for telecommunications and networking applications, offering compatibility with a variety of cabling solutions.
• Hot-Swappable Design: The hot-swappable design of the Cisco WS-X6148-RJ-21 module allows for easy installation and replacement without disrupting network operations. Administrators can add or replace modules on the fly, minimizing downtime and ensuring continuous network availability.
• Scalability and Flexibility: As part of the Catalyst 6500 series, this module offers scalability and flexibility to accommodate evolving network requirements. Administrators can expand network capacity and functionality by adding additional modules or upgrading existing ones as needed.
• High Performance and Reliability: Cisco networking equipment is renowned for its performance and reliability, and the WS-X6148-RJ-21 module is no exception. Built to stringent quality standards, this module delivers consistent performance and uptime, supporting mission-critical network operations.

In addition to its key features, the performance specifications of the Cisco WS-X6148-RJ-21 module play a crucial role in determining its suitability for various applications. Let's examine some of the performance metrics associated with this module:

• Throughput: Throughput refers to the rate at which data can be transmitted through the module. The Cisco WS-X6148-RJ-21 module offers high throughput capabilities, ensuring efficient data transfer and low latency within the network.
• Packet Forwarding Rate: The packet forwarding rate indicates the module's ability to process and forward data packets across the network. With a high packet forwarding rate, this module can handle large volumes of network traffic without experiencing bottlenecks or slowdowns.
• Buffer Memory: Buffer memory plays a crucial role in managing network traffic and preventing packet loss during periods of congestion. The Cisco WS-X6148-RJ-21 module is equipped with ample buffer memory to efficiently handle burst traffic and maintain optimal network performance.
• Port Utilization: Port utilization metrics provide insights into how effectively the module's ports are being utilized. Administrators can monitor port utilization to identify potential bottlenecks or inefficiencies in the network and take proactive measures to optimize performance.

The Cisco WS-X6148-RJ-21 module is well-suited for a variety of networking applications across different industries. Some common use cases include:

• Enterprise Networks: In large enterprise environments, the Cisco WS-X6148-RJ-21 module provides the connectivity and scalability needed to support a wide range of devices and applications. Whether deployed in corporate offices, data centers, or campus networks, this module facilitates seamless communication and collaboration among users.
• Data Centers: Data centers require high-performance networking equipment to handle the massive volumes of data generated by modern applications and services. The Cisco WS-X6148-RJ-21 module delivers the speed, reliability, and flexibility needed to interconnect servers, storage systems, and networking infrastructure within the data center environment.
• Service Provider Networks: Service providers rely on robust networking solutions to deliver reliable and high-speed connectivity to their customers. The Cisco WS-X6148-RJ-21 module enables service providers to expand their network capacity and deliver bandwidth-intensive services such as internet access, voice, and video streaming.
• Educational Institutions: Colleges, universities, and K-12 schools leverage network infrastructure to support teaching, learning, and administrative activities. The Cisco WS-X6148-RJ-21 module enhances network connectivity in educational institutions, enabling students, faculty, and staff to access resources and collaborate effectively.

The WS-X6148-RJ-21 is a 48-port Ethernet switching module for the Cisco Catalyst 6500 series switches. It is designed to provide high-performance switching and routing capabilities for enterprise networks. Some of its advanced features and capabilities include:

• Support for 10/100/1000Mbps Ethernet speeds on all ports
• Support for jumbo frames up to 9216 bytes
• Quality of Service (QoS) features, including class-based weight fair queuing, weighted round-robin, and low-latency queuing
• Advanced security features, including access control lists (ACLs) and port security
• Support for Cisco's StackWise technology, allowing for the stacking of multiple switches for increased scalability and redundancy
• Support for Cisco's EnergyWise technology, allowing for the management of power consumption in the network
• Support for Cisco's FlexLink technology, which provides fast failover in the event of a link failure

This module also supports Cisco's StackPower technology, which enables power sharing among the switches in a stack. It also supports Cisco's Link Aggregation Control Protocol (LACP) and Cisco's Port Aggregation Protocol (PAgP) which enable link aggregation, providing redundancy and increasing bandwidth.

The WS-X6148-RJ-21 Catalyst 6500 48-port Ethernet switching module supports advanced Quality of Service (QoS) and traffic management capabilities to help ensure that mission-critical applications receive the necessary bandwidth and low latency. Some of the QoS features supported by this module include:

• Class-based weight fair queuing (CBWFQ): This feature allows for the allocation of bandwidth based on the traffic class, with more bandwidth allocated to higher-priority classes.
• Weighted round-robin (WRR): This feature allows for the allocation of bandwidth based on the configured weights, with more bandwidth allocated to higher-weighted classes.
• Low-latency queuing (LLQ): This feature allows for the allocation of guaranteed bandwidth to specific traffic classes, ensuring that latency-sensitive traffic, such as voice and video, receives the necessary bandwidth.

The module also supports other traffic management features such as:

• Traffic shaping: This feature allows for the controlling of the rate at which traffic is sent out of an interface, reducing the likelihood of oversubscription and congestion.
• Policing: This feature allows for the limiting of the rate of traffic passing through an interface, ensuring that traffic conforms to the specified rate.
• Queueing: This feature allows for the management of traffic queues, with different queues allocated for different traffic classes, providing more efficient use of bandwidth.

The module also supports the use of Cisco's Access Control Lists (ACLs) and Port Security to secure the network by controlling access to specific resources or by limiting the number of hosts that can connect to a switch port.

The WS-X6148-RJ-21 Catalyst 6500 48-port Ethernet switching module supports a range of security features to help protect enterprise networks from unauthorized access and network attacks. Some of the security features supported by this module include:

• Access Control Lists (ACLs): This feature allows for the creation of rules that determine which packets are allowed or denied access to the network based on source and destination IP addresses, protocols, and other parameters.
• Port security: This feature allows for the limiting of the number of MAC addresses that can be associated with a switch port, preventing unauthorized devices from connecting to the network.
• DHCP snooping: This feature helps to prevent unauthorized DHCP servers from providing IP addresses to clients on the network, reducing the risk of man-in-the-middle attacks.
• ARP inspection: This feature helps to protect against ARP spoofing attacks by validating ARP packets against a preconfigured list of trusted MAC addresses.
• IP Source Guard: This feature helps to prevent IP spoofing attacks by limiting IP traffic to only that which originates from a known source.

Additionally, the module supports Cisco's Flexible NetFlow (FNF) and NetFlow Security Event Logging (NSEL) which allows for the monitoring of the network traffic and the detection of anomalies and security threats.

It also supports Cisco's TrustSec which allows for the creation of secure access policies and the enforcement of these policies at the network edge, providing an additional layer of security to your network.

• Manufacturer: Cisco
• Part Number or SKU# WS-X6148-RJ-21
• Product Name: 48-Port 10/100Base-TX Classic Interface Module
• Product Type: Switching Module

• Application/Usage: Switching Network

• Interfaces/Ports: 48 x 10/100Base-TX LAN
• Interfaces/Ports Details: 4 x RJ-21 Connector
• Interfaces/Ports Details: 48 x RJ-45 10/100Base-TX PoE LAN

• Connectivity Media: Category 5 or higher STP/UTP 10/100Base-TX
• Data Transfer Rate: 10 Mbps Ethernet
• Data Transfer Rate: 100 Mbps Fast Ethernet

• Daughter Cards: 1 x WS-F6K-VPWR= PoE
• Daughter Cards: 1 x WS-X6148-21AF-UG= PoE

• Management:
• CiscoWorks
• SNMP v1/2/3
• RMON 1/2/3/9
• MIB
• IEEE 802.1p QoS
• IEEE 802.1q VLAN

In summary, the Cisco WS-X6148-RJ-21 Catalyst 6500 48-Port 10/100 Fast Ethernet Module offers a versatile and high-performance solution for expanding network connectivity in enterprise environments. With its 48-port configuration, support for Fast Ethernet speeds, RJ-21 interface, hot-swappable design, and robust performance specifications, this module addresses the networking needs of diverse industries and applications. Whether deployed in enterprise networks, data centers, service provider environments, or educational institutions, the Cisco WS-X6148-RJ-21 module delivers reliability, scalability, and performance, empowering organizations to build resilient and efficient network infrastructures.