Powerful and Reliable of Router with DC Power
The Cisco 2851 DC Router is a powerful and reliable device that is designed for use in data center environments. It has a number of features that make it well-suited for this purpose, including:
- Dual power supplies: The router is equipped with two DC power supplies, which provides redundancy and helps ensure that the device will continue to operate even if one of the power supplies fails.
- 2 GE interfaces: The router has two Gigabit Ethernet interfaces, which provide high-speed connectivity for data center devices.
- 4 HWIC slots: The router has four High-Speed WAN Interface Card slots, which can be used to add additional interfaces or other modules as needed.
- 3 PVDM slots: The router has three Packet Voice Digital Signal Processor Module slots, which can be used to add voice processing capabilities to the device.
- 1 NME-XD module: The router has one Network Module slot for Enhanced Service Modules, which can be used to add features such as VPN and firewall capabilities.
- 2 AIM slots: The router has two Advanced Integration Module slots, which can be used to add additional capabilities such as VPN acceleration and intrusion detection and prevention.
- IP Base Software: The Router is shipped with IP Base Software which provides a comprehensive IP routing feature set, including support for IPv6, multicast routing, and advanced quality of service (QoS) features.
Features and Benefits
The CISCO2851-DC Cisco 2851 DC Router is a powerful and versatile networking solution designed for use in data centers and other demanding environments. Some of the key features and benefits of this router include:
- Dual power supplies: The CISCO2851-DC is equipped with dual DC power supplies, providing redundancy and increased reliability in case of power failure.
- Multiple interfaces: The router has 2 Gigabit Ethernet ports, 4 HWIC slots, 3 PVDM slots, 1 NME-XD slot, and 2 AIM slots, providing a wide range of connectivity options for various network devices and peripherals.
- High-performance routing: The CISCO2851-DC is powered by a powerful processor and runs on Cisco's IOS software, providing high-speed routing and switching capabilities for large-scale networks.
- Advanced security features: The router includes a variety of security features, such as firewall and VPN capabilities, to protect against potential threats and unauthorized access.
- Scalability: The router is designed to easily expand and scale with growing network demands, making it a great choice for businesses that are looking to expand their network infrastructure.
- IP Base feature set: The router comes pre-installed with Cisco's IP Base feature set, providing a set of advanced routing and switching features for easy network management and control.
Network Connectivity and Scalability
Network Connectivity refers to the ability of a device to connect to other devices or networks. The CISCO2851-DC Cisco 2851 DC Router has 2 Gigabit Ethernet (GE) ports, which allows it to connect to other devices or networks at high speeds. It also has 4 High-Speed WAN Interface Card (HWIC) slots, which can be used to add additional connectivity options such as serial or ISDN connections. Additionally, it has 3 PVDM (Packet Voice Digital Signal Processor) slots, which can be used to add voice capabilities to the router.
Scalability refers to the ability of a device to grow and adapt to changing network needs. The CISCO2851-DC Cisco 2851 DC Router has a number of features that make it scalable. For example, the 2 AIM (Advanced Integration Module) slots allow for additional functionality to be added to the router, such as VPN or security features. The 1 NME-XD (Network Management Engine) slot allows for additional memory and processing power to be added to the router, which can help it handle larger and more complex networks. Additionally, the IP BASE license that comes with the router allows for advanced routing and switching capabilities, which can help the router adapt to changing network needs.
- Manufacturer Cisco Systems, Inc
- Manufacturer Part Number CISCO2851-DC
- Brand Name Cisco
- Product Series 2800
- Product Model 2851
- Product Name 2851 Router with DC Power
- Total Number of Ports 2
- USB Yes
- Management Port Yes
- Number of Network (RJ-45) Ports 2
- Number of Total Expansion Slots 11
- Expansion Slot Type NME
- Expansion Slot Type EVM
- Expansion Slot Type PVDM
- Expansion Slot Type AIM
Network & Communication
- Network Technology 10/100/1000Base-T
- Ethernet Technology Gigabit Ethernet
- Standard Memory 256 MB
- Maximum Memory 1 GB
- Memory Technology DRAM
- Flash Memory 64 MB
About Refurbished Products
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.
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.
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 5 GHz.
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, cyber criminals 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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