Cisco C1921-3G-G-SEC/K9 1921 Series 2 Ports ISR

Ports

The Cisco 1921 Integrated Services Router is equipped with 2 ports, which provide users with essential connectivity options. These ports play a crucial role in ensuring seamless communication and data transfer within a network. In this section, we will explore the benefits and importance of the 2 ports featured in the Cisco 1921 router.

1. Ethernet Ports

The Cisco 1921 router comes with 2 Ethernet ports, offering users the ability to establish wired connections. These ports support both Fast Ethernet (10/100 Mbps) and Gigabit Ethernet (10/100/1000 Mbps) speeds, allowing for high-speed data transmission. With these ports, users can connect their devices directly to the router using Ethernet cables, ensuring reliable and fast network connectivity.

Benefits:

1. Enhanced Performance

By having 2 Ethernet ports, the Cisco 1921 router enables users to create separate LANs (Local Area Networks) or VLANs (Virtual LANs). This feature is particularly beneficial for businesses that require different network segments for various departments or security purposes. By segregating networks, organizations can optimize performance and ensure smooth data flow without any bottlenecks.

2. Redundancy and Failover

The presence of multiple Ethernet ports in the Cisco 1921 router allows for redundancy and failover capabilities. Redundancy ensures that if one port fails or encounters an issue, the other port can seamlessly take over, ensuring uninterrupted network connectivity. This feature is critical for businesses that heavily rely on their network infrastructure, as it minimizes downtime and ensures continuous operations.

3. Flexibility and Scalability

Having 2 Ethernet ports provides users with flexibility and scalability options. Users can connect different devices, such as computers, printers, servers, or switches, directly to the router without requiring additional network equipment. This flexibility allows users to easily expand their network as their business grows, without the need for extensive infrastructure changes.

2. USB Ports

In addition to the Ethernet ports, the Cisco 1921 router also includes USB ports. These ports offer users the ability to connect various USB devices, such as external storage drives or 3G/4G modems, directly to the router. This feature enhances the functionality and versatility of the router, providing users with additional connectivity options.

Benefits:

1. Enhanced Storage and File Sharing

The USB ports in the Cisco 1921 router enable users to connect external storage devices, such as USB flash drives or external hard drives. This feature allows for easy file sharing and data backup within the network. Users can centrally store and share important files, ensuring seamless collaboration and efficient workflow.

2. 3G/4G Mobile Broadband Connectivity

By connecting a compatible 3G or 4G modem to the USB port, users can leverage mobile broadband connectivity in areas where wired internet connections are not available or reliable. This feature is particularly useful for businesses operating in remote locations or as a backup connection for uninterrupted internet access during network outages.

Additional Features

Apart from the ports, the Cisco 1921 Integrated Services Router offers several additional features that enhance its functionality and security.

1. 3G Support

The Cisco 1921 router supports 3G connectivity, allowing users to leverage high-speed mobile data networks for internet access. This feature is especially valuable for businesses that require reliable connectivity in areas where wired internet services are limited or unavailable. With 3G support, users can ensure continuous operations and stay connected even in remote locations.

Benefits:

1. Flexibility and Mobility

The 3G support in the Cisco 1921 router provides users with increased flexibility and mobility. Users can deploy the router in various locations without the need for a fixed internet connection. This feature is particularly beneficial for temporary setups or mobile applications, such as construction sites or events, where traditional wired connectivity is impractical.

2. Backup Connectivity

In scenarios where the primary wired internet connection fails, the Cisco 1921 router's 3G support acts as a reliable backup connectivity option. It automatically switches to the 3G network, ensuring uninterrupted internet access and allowing businesses to continue their operations without disruption. This feature provides peace of mind, especially for critical applications or organizations that cannot afford downtime.

2. Enhanced Security

Security is a paramount concern for any network infrastructure, and the Cisco 1921 router offers robust security features to protect against potential threats.

Benefits:

1. Integrated Firewall

The Cisco 1921 router includes an integrated firewall that helps safeguard the network from unauthorized access and malicious activities. The firewall filters incoming and outgoing traffic, ensuring that only legitimate and authorized data packets are allowed to pass through. This feature protects sensitive data and prevents potential breaches or attacks.

2. VPN Support

Virtual Private Network (VPN) support in the Cisco 1921 router enables secure remote access to the network. VPNs encrypt data transmitted over the internet, ensuring confidentiality and preventing unauthorized interception. With VPN support, businesses can establish secure connections with remote employees, branch offices, or partners, maintaining data privacy and secure communication.

Product Code

The Cisco 1921 Integrated Services Router's product code is C1921-3G-G-SEC/K9. This alphanumeric code uniquely identifies the specific model and its included features.

1. C1921

The C1921 in the product code represents the specific router model, in this case, the Cisco 1921 Integrated Services Router. It signifies that the router belongs to the 1900 Series of Cisco routers, which are designed for small to medium-sized businesses.

Benefits:

1. Performance and Reliability

The Cisco 1921 router is built to deliver high-performance and reliable connectivity for small to medium-sized businesses. It offers advanced features and capabilities that meet the demands of modern networks, ensuring smooth operations and efficient data transfer.

2. Scalability

With the Cisco 1921 router, businesses have the flexibility to scale their network as their needs evolve. The router supports various expansion modules and interfaces, allowing users to add additional functionality or connect to different types of networks without replacing the entire router. This scalability feature helps businesses future-proof their network infrastructure and adapt to changing requirements.

2. 3G-G-SEC/K9

The 3G-G-SEC/K9 in the product code highlights specific features included with the Cisco 1921 router, such as 3G support and advanced security capabilities.

Benefits:

1. Broadband Redundancy

The inclusion of 3G support in the Cisco 1921 router ensures broadband redundancy. In cases where the primary wired internet connection fails, the router can automatically switch to a 3G mobile data network, providing backup connectivity and minimizing downtime. This feature is particularly valuable for businesses that cannot afford interruptions in their internet services.

2. Advanced Security Features

The "SEC" in the product code indicates that the Cisco 1921 router includes advanced security features. These features provide protection against network threats, ensuring the integrity and confidentiality of data transmitted over the network. With advanced security capabilities, businesses can mitigate risks and safeguard their network infrastructure from potential attacks or unauthorized access.

In conclusion, the Cisco 1921 Integrated Services Router offers users 2 ports, including Ethernet and USB ports, providing essential connectivity options for seamless communication and data transfer. The additional features, such as 3G support and enhanced security capabilities, further enhance the router's functionality and reliability. The product code C1921-3G-G-SEC/K9 signifies the specific model and its included features, enabling businesses to choose a router that meets their requirements for performance, scalability, and security.