Description
Network Monitoring and Management
Network monitoring and management refer to the processes of monitoring and managing the performance and overall health of a network, including the devices that make up that network. In the case of the Cisco 1921 Series Router (C1921-AX/K9), network monitoring and management can include tasks such as:
- Monitoring the router’s performance metrics, such as CPU utilization, memory usage, and network traffic.
- Monitoring the status of the router’s interfaces, such as link status, packet counts, and error rates.
- Configuring and monitoring security features, such as firewalls and access control lists (ACLs) to protect the network from unauthorized access or threats.
- Managing the router’s software and firmware, including upgrading to new versions and troubleshooting software issues.
- Managing the router’s configurations, including creating and managing multiple configuration profiles, and backing up and restoring configurations.
- Identifying and troubleshooting network issues, such as connectivity problems, slow performance, and security breaches.
There are several tools and methods that can be used to monitor and manage the Cisco 1921 Series Router, including:
- Cisco IOS command-line interface (CLI): The router can be configured and monitored through the CLI using terminal emulation software such as Telnet or SSH.
- Cisco Network Assistant (CNA): CNA is a free, PC-based software that simplifies the configuration and management of small and medium-sized Cisco networks.
- Cisco Configuration Professional (CCP): CCP is a web-based management tool that can be used to configure, monitor, and troubleshoot Cisco routers and switches.
- Cisco Prime Infrastructure (CPI): CPI is a network management software that provides end-to-end visibility and control of the network infrastructure.
- SNMP (Simple Network Management Protocol): The router can be monitored and managed using SNMP, which allows network devices to send trap messages to a network management system (NMS) in response to specific events.
- NetFlow: The Router can be configured to export NetFlow data to a network analyzer tool to monitor network traffic and troubleshoot issues.
Performance and Scalability
The Cisco 1921 Series Router (C1921-AX/K9) is a rack-mountable integrated service router that is designed for small and medium-sized businesses, branch offices, and enterprise teleworker environments. It offers a balance of performance and scalability, with features such as:
- Performance:
- Dual-core CPU with 1.5Gbps throughput
- 2GB of flash memory and 1GB of DRAM
- 4 Ethernet ports, 2 High-Speed WAN Interface Card (HWIC) slots, and 1 Advanced Integration Module (AIM) slot
- Scalability:
- Support for up to 50 VPN tunnels and up to 20,000 concurrent sessions
- Support for up to 16 VLANs and up to 512 VLAN interfaces
- Support for up to 2 simultaneous voice calls
- Support for up to 64 static routes and up to 32 dynamic routing protocols
Additionally, the C1921-AX/K9 supports a wide range of Cisco IOS software features, including security, voice, wireless, and VPN services, which allows for a scalable and flexible network design.
Features and Benefits
The Cisco 1921 Series Integrated Services Router (ISR) is a rack-mountable router that provides advanced security and data services, as well as wireless capabilities, for small to medium-sized businesses and enterprise branch offices. The C1921-AX/K9 model specifically offers the following features and benefits:
Features:
- Dual integrated 10/100/1000 Ethernet ports
- Support for up to 2 simultaneous Digital Signal Processor (DSP) sessions
- Support for Cisco IOS XE Software, which provides a wide range of security and data services
- Support for Cisco EnergyWISE technology, which helps to lower energy consumption
- Support for Cisco FlexVPN, which simplifies VPN deployment
- Support for Cisco TrustSec, which provides security and access control for wired and wireless networks
Benefits:
- Provides advanced security features to protect against network threats
- Increases network uptime with built-in redundancy and failover capabilities
- Enhances network scalability and flexibility through support for multiple interfaces and services
- Enhances network manageability through support for Cisco IOS XE Software and Cisco EnergyWISE technology
- Enhances network efficiency and cost savings through support for Cisco FlexVPN and Cisco TrustSec.
General Information
- Manufacturer Part Number C1921-AX/K9
- Brand Name Cisco
- Product Series 1900
- Product Model 1921
- Product Name 1921 Router
- Product Type Router
Interfaces/Ports
- Total Number of Ports 2
I/O Expansions
- Number of Total Expansion Slots 2
- Expansion Slot Type EHWIC
Network & Communication
- Network Technology 10/100/1000Base-T
- Ethernet Technology Gigabit Ethernet
Memory
- Standard Memory 512 MB
- Flash Memory 256 MB
