CISCO1921DC/K9 Cisco 1921 Router Modular Refurbished

The Cisco 1921 Modular Router (CISCO1921DC/K9) includes several security management systems to help protect and manage the network. These include:

• Cisco IOS Software Security: The router runs on Cisco IOS software, which includes various security features such as firewall, VPN, and intrusion prevention. The software also receives regular security updates to address known vulnerabilities.
• Cisco Security Manager: Cisco Security Manager is a centralized security management system that allows administrators to manage and monitor the security of multiple Cisco devices, including the Cisco 1921 router. It provides an intuitive web-based interface and allows for automated policy deployment, compliance reporting, and incident response.
• Cisco Identity Services Engine (ISE): Cisco ISE is a network access control solution that allows administrators to define and enforce security policies based on the identity of network devices and users. It can be used to authenticate users, assign them to specific network access policies, and monitor their network activity.
• Cisco Adaptive Security Appliance (ASA): Cisco ASA is a firewall and VPN solution that can be integrated with the Cisco 1921 router to provide additional security features such as stateful inspection, VPN, and intrusion prevention.
• Cisco Network Admission Control (NAC): Cisco NAC is a network access control solution that allows administrators to ensure that only compliant and secure devices are allowed on the network. It can be used to scan devices for vulnerabilities and enforce remediation measures before granting network access.

These security management systems can be used to secure the network, to monitor network activity and to detect any suspicious activity. It's important to note that, while these systems can help to secure a network, it is ultimately the responsibility of the administrator to properly configure and maintain the security of the router and the entire network.

The CISCO1921DC/K9 Cisco 1921 Modular Router is a powerful, high-performance router that is designed for small and medium-sized businesses and enterprise branch offices. Some of its key features and benefits include:

• Dual integrated 10/100/1000 Ethernet ports: These ports provide high-speed connectivity for data, voice, and video applications, allowing for efficient communication and collaboration within the network.
• Dual-core CPU: The router is powered by a dual-core CPU that provides high-performance routing and security capabilities, ensuring that the network can handle large amounts of traffic and protect against security threats.
• DC Power supply: This router is equipped with a DC power supply, which is ideal for applications that require a smaller power footprint or that have limited AC power availability. This feature makes it more flexible in terms of placement and power supply options.
• Modular design: The router is designed with a modular architecture that allows for easy upgrade and expansion as network requirements change. This means the router can adapt to the changing needs of the network over time, reducing the need for frequent replacement.
• Security features: The router includes advanced security features such as stateful firewall, VPN, and intrusion prevention to help protect against security threats. This ensures that sensitive data is kept safe and secure.
• Quality of Service (QoS) features: The router includes advanced QoS features that help to ensure that critical applications receive the bandwidth they need, even during periods of high network traffic. This ensures that important business activities are not impacted by network congestion.
• IPv6 support: The router supports IPv6, which is the next-generation Internet protocol that is designed to address the limitations of IPv4. This allows for a larger address space and more efficient routing, which is essential for the continued growth of the Internet.
• Management and monitoring: The router includes a wide range of management and monitoring tools that allow network administrators to easily configure, troubleshoot, and monitor the network. This makes it easy to identify and resolve network issues, ensuring that the network runs smoothly.

Troubleshooting and maintenance of the CISCO1921DC/K9 Cisco 1921 Modular Router can be accomplished through a variety of methods, including:

• Using the command-line interface (CLI): The router's CLI allows network administrators to configure, troubleshoot, and monitor the network. This is a powerful tool that can be used to diagnose and resolve a wide range of issues.
• Using the web-based graphical user interface (GUI): The router's GUI provides a user-friendly interface that can be used to configure and monitor the network. This is useful for less experienced network administrators who may not be familiar with the CLI.
• Monitoring system logs: The router's system logs can be used to track events and troubleshoot issues. These logs provide detailed information about the router's performance and can be used to identify and resolve problems.
• Updating firmware and software: Keeping the router's firmware and software up-to-date can help to resolve bugs and improve performance. This can be done by downloading and installing updates from the Cisco website.
• Performing regular backups: Regularly backing up the router's configuration can help to quickly recover from any issues that may arise. This can be done by saving the configuration to a local or remote file.
• Keeping an eye on the hardware and environmental conditions : Regularly checking the hardware and environmental conditions of the router can help to identify and resolve issues before they become major problems. This includes monitoring the temperature, humidity, dust, and other environmental factors that could affect the router's performance.
• Performing regular maintenance: Regularly performing maintenance on the router can help to keep it running smoothly and extend its lifespan. This includes tasks such as cleaning the router, checking for loose connections, and replacing worn or damaged parts.

To keep the CISCO1921DC/K9 Cisco 1921 Modular Router running smoothly, it is important to perform regular maintenance, monitor system logs, update firmware and software, and perform regular backups. Additionally, keeping an eye on the hardware and environmental conditions, and knowing the CLI and GUI will help to quickly identify and resolve any issues that may arise.

• Manufacturer Cisco
• Manufacturer Part Number CISCO1921DC/K9
• Product Series 1900
• Product Model 1921
• Product Name 1921 Modular Router DC Power
• Product Type Router

• Total Number of Ports 2
• USB Yes
• Management Port Yes
• Number of Broadband (RJ-45) Ports 2

• Number of Total Expansion Slots 2
• Expansion Slot Type HWIC

• Network Technology 10/100/1000Base-T
• Ethernet Technology Gigabit Ethernet
• VoIP Supported No

Management & Protocols

• Security Features
• IPSec
• SSL
• AAA
• PKI
• L2TP v3
• Cisco Security Manager
• Cisco IOS Firewall
• Cisco IOS Zone-Based Firewall
• Cisco IOS IPS
• Cisco IOS Content Filtering
• Flexible Packet Matching (FPM)
• DMVPN

• Standard Memory 512 MB
• Memory Technology DDR2 SDRAM
• Flash Memory 256 MB

• PoE (RJ-45) Port Yes
• Power Source AC Adapter
• Redundant Power Supply Yes