The Cisco 881 is a small business router that offers five Ethernet ports and provides security features such as a firewall and VPN support. It is designed for use in small to medium-sized businesses and can be used to connect to the internet, enable remote access for teleworkers, and provide network security. The router runs the Cisco IOS operating system and supports a variety of features including Quality of Service (QoS), Virtual Private Networking (VPN), and IPv6 support. It is a compact and reliable device that can be used to efficiently manage and secure a small business network.
Configuring and Managing
The Cisco 881-K9 (CISCO881-K9) is a security router that has 5 Ethernet ports and is designed for small to medium-sized businesses. To configure and manage the router, you can use the command-line interface (CLI) or the web-based graphical user interface (GUI).
To access the CLI, you can use a console cable and connect it to the router's serial port. Once connected, you can use a terminal emulation program such as Putty to access the CLI. You will then need to enter your username and password to log in.
To access the GUI, you can connect an Ethernet cable from the router's LAN port to a computer and open a web browser. Then, enter the router's IP address in the browser's address bar and log in using your username and password.
Once logged in, you can use the CLI or GUI to configure various settings such as the router's IP address, network mask, default gateway, and DNS servers. You can also configure security settings such as firewall rules and virtual private network (VPN) connections. Additionally, you can manage the router's firmware and monitor its performance.
The performance of the Cisco 881 router will depend on a variety of factors, including the specific configuration of the device, the type of WAN connection it is using, and the workload it is handling. In general, the 881 is designed to handle a moderate amount of traffic and can support a variety of applications, including voice, video, and data.
In terms of raw data throughput, the 881 is capable of handling up to 100 megabits per second (Mbps) over an Ethernet connection and up to 50 Mbps over a WAN connection. However, these speeds will depend on the specific WAN connection being used and the amount of traffic the router is handling.
The 881 also includes support for Quality of Service (QoS) features, which allow you to prioritize certain types of traffic, such as voice or video, to ensure that these applications receive the necessary bandwidth. This can help improve the overall performance of the router and ensure that critical applications are not affected by network congestion.
General Information about this Cisco Security Router
- Manufacturer: Cisco
- Model Number or SKU# CISCO881-K9
- Product Type: Router
Technical Information of 5 Ports Router
- Total Number of Ports: 5
- Network Technology: 10/100Base-TX
- Ethernet Technology: Fast Ethernet
- Form Factor: Rack-Mountable
- Standard Memory: 256 MB
- Maximum Memory: 768 MB
- Memory Technology: DRAM
- Flash Memory: 128 MB
Dimension and Weight for Ethernet Router
- Height: 1.7 inch
- Width: 12.8 inch
- Depth: 9.8 inch
- Power Source AC Adapter
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 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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