Cisco 881 router

Types of Cisco 881 Routers

The Cisco 881 router is a robust and versatile tool available in different models to meet the needs of various businesses. They include;

• Cisco 881 Fixed Wireless Router

  This model is popular with businesses that require high-speed internet connectivity. It is designed for fixed locations; thus, it can connect to different types of broadband technologies, including; DSL, POTS, T1/E1, Metro Ethernet, and cable. The router has advanced security features like Network Admission Control that assist in controlling access to the network and protecting business-critical data. The router is ideal for branch offices and small businesses.

• Cisco 881A

  The router has 2x10/100/1000 Ethernet interfaces and 2xEHWIC slots. It is a suitable tool for network connectivity for multiple business locations. This router supports compatibility with enterprise voice and video applications. Enhanced Security Platform technology helps users to prevent unauthorized access to the network, making it suitable for business critical applications.

• Cisco 881G

  The 881G router is exceptional because of its built-in global positioning system capabilities. It has 2x10/100/1000 Ethernet ports, 1xPoE (Power over ethernet) port, and it supports up to 20K concurrent Sesions, 70K TCP Connections and 140K bytes maximum heap size. This router is flexible and can be used in various geographical locations and deployed for internet edge connectivity. Combined with security features like stateful inspection firewall and ease of use, it is popular in high-security office areas.

• Cisco 881L

  It comes with 2x10/100/1000 Ethernet ports and is integrated with 4G/WiFi mobility. Security features such as embedded firewall assist in monitoring malicious activities. The router is easy to manage and deploy in remote or branch offices. It supports voice applications, thus enabling organizations to make use of unified communications.

• Cisco 881W Wireless Router

  It is installed in locations where the network infrastructure has not been established. The router has voice capabilities thus it connects voice and data on a single broadband link. The router supports wireless security policy implementation through features like VPN client supports and simultaneous support for dynamic multipoint VPN (DMVPN), easy VPN and group VPN.

Function and features

The Cisco 8811 router is an all-in-one solution that offers voice, data, and security services. It has different models (ISR 8811, ISR 8811/D, ISR 8811/K9, and ISR 8811/K9P) to meet the needs of various businesses. Below are some common features and functions that can be found in most Cisco 8811 routers.

• Secure network architecture

  Most Cisco 8000 series routers have an upgraded network architecture. This architecture ensures strong cryptographic protection for all network communications. It consists of a key management protocol. It allows participating routers to automatically exchange keys and certificates securely.

• Enterprise-grade fax server

  Cisco routers offer businesses a secure enterprise-grade fax server solution. Cisco's fax server, integrated with the Cisco Unified Communications system, allows users to send and receive faxes electronically over the IP network. The benefits include reduced costs, improved security, and easy fax management.

• Call processing and unified communications

  Cisco 8000 series routers deliver reliable Cisco unified communication, which includes voice, video, fax, and messaging, offering seamless collaboration across devices and platforms. They provide everything businesses need for successful call processing, including call control, session management, and real-time protocol conversion between IP and TDM. Businesses can enhance productivity and reduce communication costs.

  Unified communications integrate telephony with other communication services, such as messaging, meeting, and mobility. This unified communication delivers consistent, single-number reach, integration with business applications, and any-device, anytime communications and collaboration.

• Application optimization and acceleration

  These applications fuel digital transformation in the enterprise. They provide everything businesses need to optimize and secure application delivery and accelerate digital experiences. The features of this service include integrated application visibility, control, optimization, and security.

• Environmental sustainability

  The Cisco 8800 series, along with Cisco energywise technology, help customers meet their environmental sustainability goals. The environmental sustainability features of the Cisco 8811 router include power efficiency, energywise technology, eco-friendly materials, and certifications and compliance. The router's energy-efficient design helps customers reduce operational expenses.

• Network resilience and high availability

  Cisco 8811 routers provide mutli, active/standby, and preemption failover to ensure minimal disruption to network services and business operations. Businesses can immediately respond to their customers with distinctively reliable services.

  Applications and services supported by the router benefit from stateful session recovery, which automatically restores any active applications after a failover. In case of an active router, it is actively servicing network connections, while the other one is on standby, ready to take over in case of failure.

• Scalability, performance, and services integration

  All 8000 series routers provide scalable, reliable, high-performance SD-WAN that integrates with advanced security. They all deliver exceptional support for VPN, voice, video, and data services, with a broader range of interfaces and form factors to meet customer needs.

  Common features include support for concurrent sessions, data encryption, application-aware routing, and cloud-based management. Businesses can customize their SD-WAN to meet their workloads, use existing IT skills, and provide a consistent user experience across locations.

Applications of Cisco 881 Router

Because of its adaptability, usefulness, and varied applicability in different industries, the Cisco 881 series router is in great demand.

• Branch office connectivity: Connect distant or branch offices to the core network securely over the internet using Cisco routers, enabling access to company resources and communication.
• Remote user access: Allows workers or users to establish VPN connections from distant sites to gain access to the Cisco router and secure links to the organization's network.
• Site-to-site VPN: Configures VPN connections between Cisco routers to link multiple locations safely over the internet, providing access to company resources and inter-office communication.
• Data backup and recovery: Can back up configurations and data to remote locations for disaster recovery, ensuring the integrity of network configurations and quick recovery in case of failure.
• Wireless connectivity: Provides wireless capabilities to offer secure and robust wireless access to employees and guests within Cisco 881 router locations.
• VoIP services: Act as a VoIP gateway, converting analog voice signals into digital packets that can be transmitted over IP networks, allowing integration of traditional telephony systems with modern IP-based communication.
• Network monitoring and management: Offers monitoring and management tools to oversee the health and performance of networked routers, allowing for the identification and resolution of potential problems before they impact operations.
• Security and firewall: Protect networks by preventing unauthorized access through cisco8811 router firewalls and ensuring that data transmitted over networks is secure and confidential.

How to Choose Cisco 881 routers

Selecting the best Cisco 881 router for a specific requirement involves functionality, performance, and scalability.

• Identify network needs and size:

  Identify network needs comprehensively. Evaluate the requirements, estimate users, devices, and traffic patterns. Determine if the goal is secure remote access, site connectivity, or web-based applications.

• Determine router capabilities:

  Consider all aspects. Focus on models supporting required VPN protocols and services to remote users and partners. Plan to use IPsec for site-to-site links and SSL for client connections. Check VPN capacity. Validate maximum simultaneous tunnels and clients for your needs. Estimate concurrent users and remote sites to ensure proper model selection. Review integrated security features like firewalls, access controls, and threat protection. Ensure robust security for remote access and communications.

• Assess hardware and performance:

  Evaluate the hardware specifications of different Cisco 881 router models. Consider the CPU power, memory, and storage capacity required for your environment. Determine the performance factors needed, like throughput, VPN encryption capacity, and concurrent connection limits. Choose a model that can handle your expected workload without degradation. Ensure it supports the necessary features, security protocols, and quality of service (QoS) mechanisms. Selecting the right hardware and performance capabilities will provide a stable and efficient network system.

• Consider scalability and future growth:

  Consider scalability comprehensively for the Cisco 881 router. Evaluate network expansion plans and application growth to accommodate needs over time. Select a model supporting advanced features like VPNs, security, and quality of service (QoS). Choose a router with capabilities for timely upgrades without requiring replacement. Ensure it can handle increased users, devices, and traffic while maintaining performance. This scalability allows the router to adapt to an organization's evolving needs and growth conveniently.

• Review customization and management options:

  Consider management options for the Cisco 881 router. Verify that the chosen model supports the protocols and tools required for effective management. Check capabilities for Simple Network Management Protocol (SNMP) monitoring, command line access, and web-based Graphical User Interface (GUI) management. Ensure it allows efficient organization of network operators to remotely administer the router while ensuring security. Management enables proactive oversight of router performance, facilitating smooth network operations.

• Evaluate cost and budget:

  Assess the Cisco router 881 cost, balancing initial investment with long-term value. Consider not only the purchase price but also expenses like maintenance, support, and potential upgrades. Estimate total ownership costs over the router's expected lifespan. Evaluate the features, performance, and capabilities of each model in light of its price. Ensure the selected router provides the best value for the required budget, minimizing costs while meeting operational needs.

Cisco 881 router Q&A

Q1 What is the maximum password size for SSH and Telnet on the Cisco 881 router?

A1 The maximum password size for SSH on the Cisco 881 router is 128 characters. For Telnet, the maximum password size is 20 characters.

Q2 Does the router support DNS, dynamic DNS and NAT for name resolution?

A2 Yes, the router supports DNS, dynamic DNS and NAT for name resolution.

Q3 What IPv6 features does the 881 Cisco router support?

A3 The Cisco 881 routers support various features, including IPv4 and IPv6 implententation and coexistence, stateless and stateful address autoconfiguration, neighbor discovery, IPv6 access lists, and zone-based firewalls.

Q4 Does the router support multiple DHCP configurations?

A4 Yes, the Cisco 881 router supports multiple DHCP configurations.