Cisco CISCO2821 2 Ports Integrated Services Router External Refurbished

The Cisco CISCO2821 is a 2U modular router designed for external use. It belongs to the Integrated Services Router (ISR) series, which is renowned for its versatility and performance. This 2 ports router is equipped with multiple features, making it suitable for various networking scenarios. The CISCO2821 is a 2U (2 rack units) modular router, meaning it can be mounted in a standard 19-inch rack. Its modular design allows for flexibility and scalability, making it suitable for a wide range of networking needs.

The router is equipped with an AC power supply, ensuring reliable and continuous operation. With 2 Gigabit Ethernet ports, the CISCO2821 facilitates high-speed data transfer and efficient communication within the network.

The CISCO2821 boasts four High-Speed WAN Interface Card (HWIC) slots, allowing users to add a variety of interface cards to meet their connectivity needs. These slots support a range of modules, enhancing the router's functionality and ensuring compatibility with different network technologies.

For organizations requiring voice and video integration, the CISCO2821 comes with three Packet Voice Digital Signal Processor Modules (PVDM) slots. This feature enables the router to support voice and video applications, making it a comprehensive solution for unified communications.

The router includes one Network Module Enhanced (NME-X) slot, offering additional flexibility for integrating different network services and applications. This module is essential for organizations seeking to deploy specific networking functionalities without compromising the router's performance.

With two Advanced Integration Module (AIM) slots, the CISCO2821 supports additional processing capabilities. This is crucial for tasks that demand enhanced performance, such as security features and encryption services. The AIM slots make the router adaptable to evolving security requirements.

The Cisco CISCO2821 comes with IP Base software, providing essential routing and switching capabilities. This software package ensures a solid foundation for network operations and can be upgraded to higher-level software packages for more advanced features.

Equipped with 128 MB of flash memory and 512 MB of dynamic random-access memory (DRAM), the CISCO2821 offers ample storage and operational capabilities. This is essential for handling a variety of tasks simultaneously and ensuring smooth network operations.

The inclusion of two Gigabit Ethernet ports in the CISCO2821 enhances its network connectivity capabilities. These high-speed ports facilitate rapid data transfer within the network, supporting bandwidth-intensive applications and ensuring efficient communication.

The Cisco CISCO2821 is a 2U (2 rack units) router, emphasizing a modular design that allows for flexibility in configuration. Its external structure ensures easy integration into existing network setups, and the 2U form factor speaks to its robust capabilities without occupying excessive rack space.

One of the standout features of the CISCO2821 is its modularity. This router supports various modules, enabling users to customize and scale their networking infrastructure based on specific requirements. The modular architecture is particularly beneficial for businesses that anticipate future growth and need a router that can adapt to evolving needs.

Security is a paramount concern in modern networks, and the CISCO2821 addresses this with its support for Virtual Private Network (VPN) technologies. The router can establish secure connections over the internet, ensuring the confidentiality and integrity of transmitted data.

With the capability to support advanced security features through its AIM slots, the CISCO2821 can function as a robust firewall. This is crucial for protecting the network against unauthorized access and potential security threats.

Incorporating an Intrusion Prevention System, the router actively monitors and analyzes network traffic to identify and prevent potential security breaches. This additional layer of security enhances the overall network defense mechanisms.

In terms of performance, the router is equipped with a powerful CPU and has a large amount of memory, which allows it to handle a high amount of routing and switching traffic. It also supports advanced Quality of Service (QoS) features that allow you to prioritize critical network traffic and prevent network congestion.

In terms of reliability, the Cisco 2821 includes several features to help ensure that your network remains up and running. For example, it supports redundancy through Hot Standby Router Protocol (HSRP), which allows for automatic failover in the event of a primary router failure. Additionally, it supports several VPN technologies, such as IPSec and Secure Sockets Layer (SSL), to help secure your network from unauthorized access and keep your data safe.

The Cisco 2821 also has a wide range of physical interfaces that provide multiple options for WAN and LAN connections, and the router is built with a modular design that allows for easy expansion and upgrades. All of these features ensure that the 2821 can handle the demands of a busy network and provide a high level of performance and reliability.

The Cisco 2821 Integrated Services Router provides a variety of interfaces to support different types of network connections and services, making it suitable for use in a digital workplace.

One of the most notable interfaces provided on the Cisco 2821 is the Gigabit Ethernet interface. This interface can be used to connect the router to other network devices, such as switches and servers, at speeds of up to 1000Mbps. This allows for fast and efficient data transfer between devices on the network.

Another important interface provided on the Cisco 2821 is the serial interface. This interface can be used to connect the router to other network devices or service providers using serial cables. This interface can be used for a variety of purposes, such as connecting to a WAN or a leased line for Internet access.

The router also provides an ISDN interface, which is a digital phone line that can be used for WAN connectivity and remote access. This interface can be used as a backup for the primary WAN link or as a primary link in some cases.

The Cisco 2821 also has USB ports that can be used to connect USB storage devices, such as flash drives, for storing backups of the router's configuration and other important data.

All those interfaces are manageable and configurable via the Cisco IOS software which allows for advanced features and customization with the software, as well as providing CLI and web GUI interfaces for easy configuration and management.

• Manufacturer: Cisco
• Part Number or SKU# CISCO2821
• Product Series: 2800
• Product Type: Integrated Services Router

• Total Number of Ports: 2
• Management Port: Yes
• Number of Network (RJ-45) Ports: 2

• Number of Total Expansion Slots: 12
• Expansion Slot Type: AIM
• Expansion Slot Type: HWIC
• Expansion Slot Type: NME-X
• Expansion Slot Type: PVDM
• Expansion Slot Type: EVM

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

• Standard Memory: 256 MB
• Maximum Memory Supported: 1GB
• Memory Technology: DRAM
• Flash Memory: 64 MB
• Memory Card Supported: Compact Flash

• Input Voltage: 110 V AC, 220 V AC
• Redundant Power Supply Supported: Yes

Features

• Cisco IOS Version: 12.3(8)T - The operating system for Cisco devices.
• Firewall Protection: Enhances security by providing a firewall.
• Hardware Encryption: Ensures data security through hardware-based encryption.
• VPN (Virtual Private Network): Supports secure communication over the Internet.
• MPLS Support: Enables efficient and flexible network routing.
• URL Filtering: Allows control over internet access by filtering URLs.

Expansion/Connectivity

• 4 (4) x HWIC (High-Speed WAN Interface Card) slots.
• 2 (2) x AIM (Advanced Integration Module) slots.
• 1 (1) x NME-X (Network Module Enhanced Express) slot.
• 1 (1) x EVM (Enhanced Voice Module) slot.
• 3 (3) x PVDM (Packet Voice DSP Module) slots.
• 2 Memory slots.
• 1 CompactFlash Card slot.

Interfaces

• 2 x Network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45.
• 2 x USB ports for additional connectivity.
• 1 x Management - Console for device configuration.
• 1 x Network - Auxiliary for supplementary network connections.

Finally, the Cisco CISCO2821 Integrated Services Router stands out as a versatile and powerful solution for modern networking challenges. Its modular architecture, power redundancy, diverse interfaces, and robust software features make it well-suited for a variety of deployment scenarios. Whether used in data centers, enterprises, or service provider networks, the CISCO2821 offers the flexibility and performance needed to adapt to the dynamic nature of today's networking environments. As technology continues to evolve, routers like the CISCO2821 play a crucial role in enabling reliable and efficient communication within and between networks.