Cisco CISCO1941/K9 2 Ports Integrated Services Router 5 HWIC Refurbished

In the ever-evolving landscape of networking technology, the CISCO1941/K9 1900 Series Integrated Services Router stands out as a robust and versatile solution. This comprehensive guide aims to provide a detailed understanding of its key features, focusing on the 2 Ports 10/100/1000Base-T, 5 HWIC Expansion Slots, Gigabit Ethernet, Maximum 2GB DRAM Memory Support, CompactFlash (CF) Card, and 110-220 V AC Power Supply.

The CISCO1941/K9 is part of the 1900 Series, representing a line of routers designed to meet the diverse needs of modern networking environments. These routers combine performance, security, and reliability to deliver seamless connectivity and efficient data transmission.

One of the key features of the CISCO1941/K9 is its two ports supporting 10/100/1000Base-T. This specification indicates the router's capability to accommodate Ethernet connections at 10, 100, and 1000 Mbps (Megabits per second). The presence of multiple ports allows for flexible network configurations, enabling the router to connect to various devices with different speed requirements.

The inclusion of 5 High-Speed WAN Interface Card (HWIC) Expansion Slots enhances the router's scalability. These slots enable users to expand and customize the router's functionality by adding interface cards that suit specific networking needs. Whether it's additional Ethernet ports, serial interfaces, or other specialized connections, the HWIC slots offer a modular and adaptable approach to network expansion.

Gigabit Ethernet is a crucial aspect of the CISCO1941/K9, contributing to high-speed data transfer within the network. With Gigabit Ethernet support, the router can handle data rates of up to 1000 Mbps, providing a significant boost in network performance. This is especially valuable in environments where large volumes of data need to be transferred quickly and efficiently.

Dynamic Random Access Memory (DRAM) is essential for a router's operational memory, influencing its ability to handle concurrent tasks and manage network traffic effectively. The CISCO1941/K9 supports a maximum of 2GB DRAM, ensuring ample memory resources for running applications, storing routing tables, and handling data packets. This capability is particularly important in complex network environments with high traffic loads.

The inclusion of a CompactFlash (CF) Card slot adds a layer of versatility to the CISCO1941/K9. This slot allows users to insert a CompactFlash card, typically used for storage purposes. The router can leverage this additional storage for various functions, such as storing configurations, logging data, or even running specific applications. The CompactFlash option enhances the router's flexibility and serves as a valuable tool for network administrators.

As an Integrated Services Router (ISR), the CISCO1941/K9 consolidates multiple functions into a single device. This integration includes routing, security, voice, and other services, streamlining network management and reducing the need for multiple standalone devices. The router's ability to handle diverse tasks within a unified platform contributes to operational efficiency and simplifies the overall network architecture.

Power supply is a critical consideration for any network device, and the CISCO1941/K9 addresses this with support for 110-220 V AC power. This voltage range provides flexibility, allowing the router to adapt to different power infrastructure standards. It ensures compatibility with various power sources, making the router suitable for deployment in a wide range of geographical locations.

Maximizing Performance and Scalability

Maximizing the performance and scalability of the CISCO1941/K9 Cisco 1941 2 Ports Services Router is crucial for ensuring that the router can handle the expected traffic load and provide reliable network connectivity.

• Firmware and software updates: Ensuring that the router has the latest firmware and software updates installed is important for addressing any known bugs or security vulnerabilities that could affect the router's performance or stability.
• Interface and QoS configuration: Configuring the router's interfaces and Quality of Service (QoS) settings properly will ensure that traffic is properly prioritized and managed, reducing congestion and improving overall network performance.
• Cisco Performance Routing (PfR): PfR is a feature that optimizes traffic flow by monitoring and managing the available bandwidth, reducing congestion, and improving overall network performance.
• Advanced Security license: By enabling advanced security features such as VPN and Firewall, you can secure your network and protect it from external threats.
• Cisco FlexVPN: FlexVPN simplifies the VPN configuration process and provides more secure VPN connections.
• Cisco SD-WAN: SD-WAN allows you to optimize WAN traffic and improve application performance by routing traffic over the best available path.
• Hardware resources: Properly sizing the router's hardware resources, such as memory and CPU, will ensure that the router can handle the expected traffic load without experiencing performance issues.
• Monitoring and troubleshooting: Regularly monitoring the router's performance and troubleshooting any issues that arise is important for maintaining the network's stability and identifying potential bottlenecks.
• Cisco DNA Center: Cisco DNA Center provides centralized visibility and control over the network, enabling IT teams to manage and monitor the network more effectively.

Quality of Service (QoS) Capabilities

The CISCO1941/K9 Cisco 1941 2 Ports Services Router can implement Quality of Service (QoS) to ensure that network traffic is properly prioritized and managed. Some of the QoS features that the CISCO1941/K9 Cisco 1941 2 Ports Services Router supports are:

• Traffic shaping: This feature allows you to control the rate at which traffic is sent, ensuring that the network does not become congested.
• Class-based queuing: This feature allows you to divide traffic into different classes, and assign different priorities to each class.
• Priority queuing: This feature allows you to assign a priority level to certain types of traffic, ensuring that they are processed before other traffic.
• Low Latency Queuing (LLQ): This feature allows you to assign a priority level to certain types of traffic, ensuring that they are processed before other traffic, with minimal delay.
• Weighted Random Early Detection (WRED): This feature allows you to drop packets before a queue becomes full, reducing congestion.
• Weighted Fair Queuing (WFQ): This feature allows you to divide traffic into different classes, and assign different priorities to each class, based on the IP address, protocol, and other fields.
• Quality of Service (QoS) groups: You can use QoS groups to classify and prioritize traffic at different levels.
• Cisco Modular Quality of Service Command-Line Interface (MQC): MQC provides a consistent, modular method for configuring QoS on Cisco devices.

• Manufacturer: Cisco
• Model Number or SKU# CISCO1941/K9
• Product Series: 1900
• Product Type: Services Router

• Total Number of Ports: 2
• USB: Yes
• Management Port: Yes

• Network Technology: 10/100/1000Base-T
• Ethernet Technology: Gigabit Ethernet

• Standard Memory: 512 MB
• Maximum Memory: 2 GB
• Memory Technology: DRAM
• Memory Card Supported: CompactFlash (CF) Card

• Number of Total Expansion Slots: 5
• Expansion Slot Type: HWIC

Power Description

• Input Voltage 110 V AC
• Input Voltage 220 V AC
• Power Source Power Supply

Finally, the CISCO1941/K9 1900 Series Integrated Services Router emerges as a powerful and adaptable solution for modern networking requirements. Its combination of 2 Ports 10/100/1000Base-T, 5 HWIC Expansion Slots, Gigabit Ethernet, Maximum 2GB DRAM Memory Support, CompactFlash (CF) Card, and 110-220 V AC Power Supply makes it well-suited for diverse applications. Whether in small to medium-sized enterprises or larger corporate networks, this router offers the performance, scalability, and reliability needed to support the demands of today's dynamic digital landscape. As technology continues to advance, the CISCO1941/K9 stands as a reliable cornerstone for building and maintaining efficient and secure networks.