More Information of this Item
The Cisco 2821 is a multi-purpose router designed for small-to-medium sized businesses and enterprise branch offices. It supports a wide range of network protocols, including IPv4 and IPv6 routing, as well as various WAN and VPN technologies. It is equipped with a variety of interfaces, including Gigabit Ethernet, serial, and ISDN, allowing for flexible connectivity to a variety of network types. Additionally, it has built-in security features such as a firewall and VPN support to help protect the network from unauthorized access. The Cisco 2821 also supports advanced Quality of Service (QoS) features to help ensure that critical network traffic is given priority and to help prevent network congestion.
Suitable Performance
The Cisco 2821 is designed to provide high performance and reliability for small-to-medium sized businesses and enterprise branch offices.
In terms of performance, it supports routing throughput of up to 100Mbps and can handle up to 50,000 concurrent sessions. This makes it capable of handling a high volume of network traffic, even in demanding environments. The router also supports hardware-based encryption acceleration and on-board packet processing, which can help to offload CPU-intensive tasks and improve overall system performance.
In terms of reliability, the Cisco 2821 is designed to operate continuously and has features such as redundant power supplies and dual flash memory to help ensure that the router can maintain operation in the event of a failure. It also has a number of redundancy and failover options, such as Hot Standby Router Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP) that can provide automatic failover to ensure that network traffic continues to be routed in the event of a failure.
Additionally, it has built-in security features such as a firewall, VPN support and intrusion detection and prevention that help protect the network from unauthorized access and threats. The Router runs on Cisco IOS software which is well known for providing features rich and stable operation, allowing advanced features and customization with the software.
Interface Provided for Digital Workplace
The Cisco 2821 Integrated Services Router provides a variety of interfaces that can be used to connect devices and networks in a digital workplace. Some of the key interfaces provided by the router include:
- Gigabit Ethernet: The Cisco 2821 has multiple Gigabit Ethernet interfaces, which can be used to connect to high-speed LAN networks or other devices that support Gigabit Ethernet, such as servers and switches.
- Serial: The router has multiple serial interfaces that can be used to connect to WAN networks using T1/E1, ISDN, or other serial-based technologies. This allows for flexible connectivity to a wide range of network types, including leased lines, Frame Relay, and ATM.
- ISDN: The Cisco 2821 also has an ISDN BRI interface, which can be used to connect to ISDN-based WAN networks. This can provide a reliable and cost-effective backup option for businesses that rely on a primary WAN connection, such as a leased line or VPN.
- VPN: The Cisco 2821 also has a built-in VPN support, which allows the router to be configured to support a variety of VPN protocols, such as IPsec, PPTP, and L2TP. This allows the router to be used to create secure, encrypted connections to remote networks, such as branch offices or telecommuters.
- USB: the router also has one USB Port, which can be used to connect USB storage devices, or for direct connection to a PC for management.
All of these interfaces can be configured and managed using Cisco IOS software. This software provides a wide range of configuration options and advanced features that can be used to customize the router to meet the specific needs of a digital workplace.
General Information about this Cisco CISCO2821
- Manufacturer: Cisco
- Part Number or SKU# CISCO2821
- Product Series: 2800
- Product Model: 2821
- Product Type: Integrated Services Router
Interfaces/Ports for Integrated Services Router
- Total Number of Ports: 2
- Management Port: Yes
- Number of Network (RJ-45) Ports: 2
I/O Expansions of 2 Ports Router
- 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
Network & Communication
- Ethernet Technology: Gigabit Ethernet
- Network Technology: 10/100/1000Base-T
Memory
- Standard Memory: 256 MB
- Maximum Memory Supported: 1GB
- Memory Technology: DRAM
- Flash Memory: 64 MB
- Memory Card Supported: Compact Flash
Power Description
- Input Voltage: 110 V AC, 220 V AC
- Redundant Power Supply Supported: Yes
Dimensions & Weight
- Compatible Rack Unit: 2U
- Form Factor: Rack-mountable
- Height: 3.5 Inch
- Width: 17.3 Inch
- Depth: 16.4 Inch
- Weight (Approximate): 25 Lbs
Miscellaneous
- Package Contents-
- 2821 Integrated Services Router
- Cisco 2800 IP BASE W/O CRYPTO (S28NIPB-12403)
- Power Cord 110V (CAB-AC)
- Cisco 2821/51 AC power supply (PWR-2821-51-AC)
- 256MB DDR DRAM Memory (MEM2800-256D-INC)
- 64MB CF Card(MEM2800-64CF-INC)
- Device manager for routers (ROUTER-SDM)
- Rack-mount brackets with screws for 19-inch racks
- Ground lug and two mounting screws
- Cable management bracket
- RJ-45-to-DB-9 console cable
- RJ-45-to-DB-25 modem cable
- Cisco 2800 Series Integrated Services Routers Quick Start Guide
- Cisco 2800 Series Integrated Services Routers Regulatory Compliance and Safety Information document
- Cisco Router and Security Device Manager (SDM) Quick Start Guide
- Product Registration card and Cisco.com card
Routers lead the line as the first line of network security in homes and offices. It prevents intrusion into a network while creating a firewall to provide the highest level of security on several network types. They are the best ways of keeping computer systems, network systems, and information contained in them safe from intrusion.
A router is designed to be more capable than several other network devices such as hubs or switches that can only carry out basic network functions. For instance, a hub only transfers data between network devices without analyzing or doing anything with those data. On the other hand, routers are able to analyze data sent between network devices. They can change the packaging of such data and send it over to a different network.
Routers are the perfect devices to share an internet connection between multiple computers in home networks. A router typically connects to the modem using a network cable. Router networking occurs via a WAN port or the internet. There are also wireless routers that connect to devices using different wireless standards.
Important Features
Multi-core Processor
The hardware inside these routers allows them to cope with several network use at the same time. Many of these routers come with dual-core and quad-core processors. These processor options allow them to handle lots of data more effectively. Users can use their Wi-Fi routers for activities such as video streaming, online gaming, data backups, and more. Even while carrying out those operations, the routers perform at the highest levels.
Multi-band options
Users will get routers that broadcast wireless signals over two frequencies (for dual-band) or more (for tri-band and others). These routers run at frequencies that can cover a wide expanse of area. They are not congested and are perfect for office buildings, homes, and large enterprises. Clients will find routers that emit their signals between 2.4 GHz and 5GHz.
Built-in Security Features
These router networking devices also come with security features such as device quarantine, firmware updates, automatic updates, and more. The features allow them to provide network-level protection against attacks. With these features, cybercriminals will be unable to infiltrate home networks.
Types of Routers
There are several types of routers that users can benefit from. Some of them include:
- Core Routers. These are the types used by Internet Service Providers. They are the fastest and most powerful types. They sit at the center of the internet and forward data through the main fiber Optics.
- Wireless Routers. These work in a similar manner as a home or business LAN. However, they give room for better mobility for laptops, tablets, and other portable devices. These types offer transmission over short distances.
- Enterprise Routers. These are the types employed by large companies. Organizations use enterprise routers to connect their networks to these core routers.
- Branch Routers. These types connect an enterprise's remote offices to its Wide Area Network (WAN). They come with improved features such as wireless LAN management, time-division multiplexing, WAN acceleration, and more.
- Edge Routers. These are the most commonly used types in homes and small businesses. They are low-capacity devices that connect to the public internet or private WAN, or external LAN.
- Logical Routers. They function similarly to hardware to create several network routes.
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Other Available Conditions for this Part
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30-days to 3 years warranty:
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