Network Management and Security
The Cisco 921 Series Integrated Services Router (ISR) is a compact, secure router designed for small to medium-sized businesses. It comes with built-in security features and supports advanced networking capabilities, making it an ideal choice for network management and security.
Here are some key network management and security features of the Cisco 921 ISR:
- Configuration Management: The Cisco 921 ISR can be easily configured and managed through a web-based graphical user interface (GUI) or a command-line interface (CLI). It also supports Simple Network Management Protocol (SNMP) for network monitoring and management.
- Quality of Service (QoS): The router supports QoS features such as traffic shaping, traffic policing, and priority queuing, allowing network administrators to prioritize critical traffic and ensure smooth operation of the network.
- Virtual Private Network (VPN): The Cisco 921 ISR supports both site-to-site and remote-access VPNs, providing secure access to the network for remote employees or branch offices. It supports a range of VPN protocols such as IPsec, SSL, and L2TP.
- Firewall: The router comes with a built-in firewall that can be configured to block unauthorized access and prevent network attacks. It supports access control lists (ACLs), stateful packet inspection, and other security features to protect the network from intruders.
- Intrusion Prevention System (IPS): The Cisco 921 ISR can be configured with an IPS module that can detect and prevent network attacks such as DoS attacks, worm outbreaks, and port scans.
- Network Address Translation (NAT): The router supports NAT features such as port forwarding, static NAT, and dynamic NAT, which can be used to map private IP addresses to public IP addresses and vice versa, allowing for secure communication between different networks.
- DHCP Services: The Cisco 921 ISR can act as a DHCP server, providing IP addresses to clients on the network. It also supports DHCP relay, which allows DHCP requests to be forwarded to a DHCP server on a different network.
Reliability Information
The Cisco 921 Series Integrated Services Router (ISR) is a reliable networking device designed to provide a range of services, including Internet access, security, and voice functionality for small businesses. Some of the features that contribute to the reliability of the C921-4P router include:
- Redundant power supplies: The router includes two power supplies, which can be configured to provide redundant power to the router in the event that one power supply fails.
- Redundant WAN connections: The router includes two WAN (Wide Area Network) ports, which can be used to connect to multiple Internet service providers (ISPs) for added redundancy.
- Quality of Service (QoS): QoS allows you to prioritize different types of traffic, ensuring that mission-critical applications receive the necessary bandwidth.
- Advanced security features: This Item router includes a range of security features, such as a firewall and VPN (Virtual Private Network) support, to protect your network from external threats.
Power Options and Redundancy
The Cisco 921 Series Integrated Services Router (ISR) comes with a variety of power options and redundancy features that provide high availability and reliability to the network infrastructure. Here are some key power options and redundancy features of the Cisco 921 ISR:
- Power over Ethernet (PoE): The Cisco 921 ISR supports PoE, which allows network administrators to power PoE-enabled devices such as IP phones, wireless access points, and IP cameras directly from the router, eliminating the need for separate power sources.
- External Power Supply: The router can also be powered using an external power supply, which can be either AC or DC. This provides flexibility in terms of power source and ensures that the router remains operational in case of a power outage.
- Power Redundancy: The Cisco 921 ISR supports power redundancy through the use of a dual power supply unit (PSU) configuration. This ensures that the router remains operational even if one of the PSUs fails.
- Redundant WAN Connectivity: The router supports redundant WAN connectivity through the use of dual WAN ports. This allows for automatic failover to the backup WAN link in case the primary link fails, ensuring that the network remains operational.
- Redundant VPN Connectivity: The Cisco 921 ISR also supports redundant VPN connectivity through the use of dual VPN tunnels. This allows for automatic failover to the backup VPN tunnel in case the primary tunnel fails, providing uninterrupted and secure access to the network.
- Hot Standby Router Protocol (HSRP): HSRP is a Cisco proprietary protocol that provides redundancy for IP networks by allowing multiple routers to share a virtual IP address. The Cisco 921 ISR supports HSRP, allowing for automatic failover to a backup router in case the primary router fails.
General Information about this Cisco C921-4P
- Manufacturer: Cisco
- Model Number or SKU# C921-4P
- Product Series: 900
- Product Type: Integrated Services Router
Interfaces / Ports for Integrated Services Router
- Total Number of Ports 6
- Management Port Yes
Network & Communication of 6 Ports Router
- Network Technology 1000Base-X
- Ethernet Technology Gigabit Ethernet
Dimensions & Weight
- Form Factor: Rack-mountable
- Form Factor: Desktop
- Form Factor: Undercounter
- Height: 1.7 Inch
- Width: 9 Inch
- Depth: 9.5 Inch
- Weight (Approximate): 2.65 Lbs
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 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.
Here, you can check more available conditions of your desired product C921-4P at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.
Other Available Conditions for this Part
Other Available Categories For - Networking - Router
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