The CISCO881-K9 is a model number for the Cisco 881 series router. The Cisco router is a small business router that provides secure internet access and connectivity for small businesses, remote offices, and teleworkers.
It has 5 Fast Ethernet ports, which can be used to connect to multiple devices such as computers, printers, and IP phones. The router also has a WAN port, which can be used to connect to the internet.
The Cisco 881 router is designed with security in mind and has built-in security features such as firewall, VPN, and intrusion prevention system (IPS) to protect the network from various types of cyber attacks.
In addition to the security features, the router also supports various advanced features such as Quality of Service (QoS), which can be used to prioritize traffic and ensure that important applications get the necessary bandwidth. It also supports advanced routing protocols such as OSPF and BGP, which can be used to create complex networks with multiple routers.
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.
WAN and LAN Interfaces
The CISCO881-K9 Cisco 881 router has both WAN and LAN interfaces.
The WAN interface is a 10/100 Mbps Ethernet port, which can be used to connect the router to the internet or to an external network. This interface can be used to connect to various types of WAN connections such as DSL, cable, T1, and Ethernet.
The LAN interfaces consist of 5 Fast Ethernet ports, which can be used to connect the router to local devices such as computers, printers, and servers. These ports support a data transfer rate of up to 100 Mbps.
The LAN interfaces on the Cisco 881 router support various features such as VLANs, which can be used to segment the network and improve security. They also support Quality of Service (QoS) features, which can be used to prioritize traffic and ensure that important applications get the necessary bandwidth.
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 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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