This Item is a model of Cisco Integrated Services Router (ISR). Cisco ISRs are networking devices that provide Internet connectivity and routing services for small to medium-sized businesses and enterprise branches.
The CISCO2921/K9 model has the following features:
- 256 MB of memory: This is the amount of memory available for storing the operating system and running processes.
- 3 Ethernet ports: The router has 3 Ethernet ports, which can be used to connect devices such as computers, switches, and other networking equipment to the network.
- Integrated Services: The router supports a range of integrated services, including data, voice, security, and wireless capabilities.
- Routing: The router is capable of routing traffic between different networks, allowing devices on one network to communicate with devices on another.
Performance and Reliability
Cisco 2921/K9 is a router in the Cisco 2900 series of Integrated Services Routers (ISR). It is designed to provide high performance and reliable connectivity for small to medium-sized businesses, enterprise branch offices, and service provider-managed customer premises equipment (CPE).
The 2921/K9 has three 10/100/1000 Ethernet ports, as well as a built-in WAN interface card (WIC) slot and a voice/WAN interface card (VWIC) slot, which allow you to connect to a wide variety of network and communication devices. It also has 256MB of memory, which is used to store the operating system and routing tables, as well as to provide fast access to frequently used data.
In terms of performance, the 2921/K9 is capable of delivering up to 100Mbps of throughput, depending on the configuration and the type of traffic being routed. It also supports advanced security features, such as stateful firewall, VPN, and intrusion prevention, which help to protect your network from cyber threats.
General Information about this Cisco CISCO2921/K9
- Manufacturer: Cisco
- Model Number or SKU# CISCO2921/K9
- Product Series: 2900
- Product Model: 2921
- Product Type: Router
Technical Information of 3 Ports Router
- Storage Capacity Ports: 3
- Number of Total Expansion Slots: 12
- Expansion Slot Type: HWIC
- Expansion Slot Type: SFP (mini-GBIC)
- Expansion Slot Type: PVDM
Network and Communication for Integrated Services Router
- Network Technology: 10/100/1000Base-T
- Ethernet Technology: Gigabit Ethernet
Dimension and Weight
- Height: 3.5 Inch
- Width: 17.2 Inch
- Depth: 18.5 Inch
- Weight: 29.1 Lbs
- Standard Memory: 512 MB
- Flash Memory: 256 MB
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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