Cisco 1921 ISR - 2 Ports - Management Port - PoE Ports - 2 Slots - Gigabit Ethernet - 1U - Rack-mountable - C1921-3G-G-K9
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SKU/MPN | Warranty | Price | Condition | You save |
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C1921-3G-G-K9 | Six-Month (180 Days) | $256.00 | Excellent Refurbished | You save: $182.75 (42%) |
C1921-3G-G-K9 | Six-Month (180 Days) | Contact us for a price | Factory-Sealed New Retail in Original Box (FSB) |
Cisco C1921-3G-G-K9 Overview
Manufacturer Details
- Manufacturer: Cisco
- Model Number: C1921-3G-G-K9
- Product Series: 1900
- Model: 1921
- Product Name: 1921 Integrated Services Router
Ports and Interfaces
General Port Configuration
- Total Ports: 2
- USB Ports: Yes
- Management Port: Yes
- Broadband (RJ-45) Ports: 2
Expansion Capabilities
Expansion Slots
- Number of Expansion Slots: 2
- Slot Type: HWIC (High-Speed WAN Interface Card)
Network and Communication
Network Technologies
- Network Technology: 10/100/1000Base-T
- Ethernet Technology: Gigabit Ethernet
Management and Protocols
Security Features
- IPSec (Internet Protocol Security)
- SSL (Secure Sockets Layer)
- AAA (Authentication, Authorization, and Accounting)
- PKI (Public Key Infrastructure)
- Content Filtering
- L2TP v3 (Layer 2 Tunneling Protocol version 3)
- GRE (Generic Routing Encapsulation)
Memory Specifications
Memory Details
- Standard Memory: 512 MB
- Maximum Memory: 512 MB
- Memory Technology: DDR2 SDRAM
- Flash Memory: 256 MB
Power Requirements
Power Description
- PoE (Power over Ethernet) Port: Yes
- Input Voltage: 110 V AC / 220 V AC
- Power Source: Power Supply
Ports
The Cisco 1921 Integrated Services Router is equipped with 2 ports, making it a versatile and efficient networking solution for businesses of all sizes. These ports provide users with the ability to connect multiple devices and expand their network capabilities. Let's explore the benefits and importance of this feature in more detail.
Enhanced Connectivity
With 2 ports, the Cisco 1921 Integrated Services Router offers enhanced connectivity options for users. This means that businesses can connect more devices to their network without the need for additional hardware or complex configurations. Whether it's connecting computers, printers, or other networking devices, the 2 ports ensure that you have enough capacity to support your growing network infrastructure.
Improved Performance
Having 2 ports also leads to improved performance and reduced network congestion. With multiple ports available, you can distribute the network traffic evenly across your devices, preventing bottlenecks and ensuring smooth data transmission. This is particularly beneficial for businesses that rely heavily on data-intensive applications or require high-speed internet connections.
Redundancy and Failover
Another significant advantage of having 2 ports is the ability to implement redundancy and failover mechanisms. By connecting your network devices to different ports, you can create backup connections that automatically activate in case of a failure. This ensures uninterrupted network connectivity, minimizing downtime and maximizing productivity.
Implementing redundancy is crucial for businesses that heavily rely on their network infrastructure for critical operations. In industries such as finance, healthcare, or e-commerce, even a brief network outage can result in significant financial losses or compromised customer experiences. With the Cisco 1921 Integrated Services Router's 2 ports, you can build a resilient network that can withstand unforeseen events and maintain continuous operations.
Moreover, the integration of failover mechanisms ensures seamless transition between primary and backup connections. In case one port encounters an issue, the router automatically switches to the other port, preventing any disruption to your network services. This feature is particularly important for businesses that require uninterrupted connectivity, such as call centers or organizations with remote branches.
In summary, the 2 ports of the Cisco 1921 Integrated Services Router provide enhanced connectivity options, improved performance, and the ability to implement redundancy and failover mechanisms. These features are vital for businesses that require a reliable and efficient network infrastructure.
Management Port
The Cisco 1921 Integrated Services Router offers a Management Port feature that is essential for efficient network administration and maintenance. This feature emphasizes its "Yes" capability, indicating that the router includes a dedicated port specifically designed for management purposes. Let's delve into the benefits and importance of this feature.
Streamlined Network Administration
The Management Port allows network administrators to have direct access to the router's management interface. This dedicated port simplifies the process of configuring and monitoring the router's settings, reducing the complexity associated with managing a network infrastructure.
Enhanced Security
Having a separate Management Port enhances network security by isolating management traffic from regular data traffic. By utilizing this dedicated port, administrators can establish secure connections and implement access controls to ensure that only authorized personnel can access and manage the router's settings. This added layer of security helps protect against unauthorized configuration changes and potential security breaches.
Efficient Troubleshooting
The Management Port also plays a crucial role in troubleshooting network issues. By connecting directly to the router's management interface, administrators can quickly identify and resolve problems without disrupting regular network operations. This capability saves time and resources by providing a streamlined approach to diagnosing and resolving issues.
Furthermore, the Management Port allows for remote management of the router. Administrators can access and configure the router's settings from anywhere with an internet connection, enabling them to efficiently manage the network infrastructure even when they are not physically present at the router's location. This remote management capability is particularly valuable for businesses with multiple branch locations or for network administrators who need to manage the router from off-site locations.
In summary, the presence of a Management Port in the Cisco 1921 Integrated Services Router offers streamlined network administration, enhanced security, and efficient troubleshooting capabilities. This feature is essential for businesses that prioritize network management efficiency and security.
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