Manual d'usuari del router de serveis IP avançats Cisco CISCO881-SEC-K9 881

1. Introducció

This manual provides essential instructions for the setup, operation, and maintenance of your Cisco CISCO881-SEC-K9 881 Advanced IP Services Router. The Cisco 881 Integrated Services Routers are designed to provide secure Internet access, security, and wireless services for small businesses, enterprise small branches, and teleworkers. The CISCO881-SEC-K9 model includes enhanced security features such as Cisco IOS Firewall, Intrusion Prevention System (IPS), IPsec (3DES and AES), SSL VPN, and IP Base Entry-Level Cisco IOS Software Functionality.

2. Producte acabatview

The Cisco 881 router is a compact, fixed-configuration device that offers a range of features for secure and reliable network connectivity. It integrates multiple services into a single platform, simplifying management and reducing operational costs.

2.1 Característiques clau

• Serveis integrats: Combines Internet access, security, and optional wireless services.
• Fast Ethernet Ports: Features 1 x RJ-45 10/100Base-TX WAN port and 4 x RJ-45 10/100Base-TX LAN ports.
• Seguretat millorada: Supports Cisco IOS Firewall, Intrusion Prevention System (IPS), IPsec (3DES and AES), and SSL VPN.
• Interfícies de gestió: Includes 1 x RJ-45 Console Management port and 1 x USB 1.1 port.
• Memòria: Standard 256 MB DRAM (expandable to 768 MB) and 128 MB Flash Memory.
• Broadband Speeds: Designed for efficient data transfer.

2.2 Router Components

Familiarize yourself with the physical components of the router.

Figura 1: Frontal inclinat view of the Cisco 881 Integrated Services Router. This image shows the front panel with indicator lights and the Cisco logo on the left, and the "Cisco 800 Series" branding on the right.

Figura 2: Straight front view of the Cisco 881 Integrated Services Router. This image provides a clear view of the front panel, including status LEDs for power, WAN, LAN, and VPN connections, along with a USB port.

Figura 3: posterior view of the Cisco 881 Integrated Services Router. This image highlights the various ports available, including the WAN port (yellow), four LAN ports (yellow), console port (blue), power input, and other connectors.

3. Instruccions de configuració

Follow these steps to set up your Cisco 881 router for initial operation.

1. Desempaquetar el router: Carefully remove the router and all accessories from the packaging. Ensure all components are present.
2. Posicioneu el router: Place the router on a stable, flat surface in a well-ventilated area, away from direct sunlight, heat sources, and obstructions.
3. Connect to WAN: Connect your broadband modem or internet service provider's (ISP) network cable to the WAN port (labeled "WAN" or typically yellow) on the rear of the router.
4. Connect to LAN Devices: Connect your computers, switches, or other network devices to the LAN ports (labeled "LAN" or typically yellow) using Ethernet cables. The router has four 10/100Base-TX LAN ports.
5. Connect Console (Optional): For initial configuration or advanced management, connect a console cable from your computer's serial port (or USB-to-serial adapter) to the router's console port (typically blue).
6. Connectar l'alimentació: Connect the power adapter to the router's power input port and then plug the adapter into a suitable electrical outlet.
7. Encès: Press the power button (if available) or ensure the router powers on automatically. Observe the indicator lights on the front panel. The 'SYS' or 'PWR' LED should turn solid green, indicating successful power-up.
8. Configuració inicial: Access the router's management interface via a web browser or console connection to perform initial configuration, including setting up network parameters, security settings, and any required VPNs. Refer to Cisco's official documentation for detailed configuration guides.

4. Instruccions de funcionament

Once the router is set up, it operates continuously to provide network services. Here are general guidelines for its operation.

• Llums indicadores: Monitor the front panel LEDs to understand the router's status.
  • SYS/PWR: Solid green indicates normal operation.
  • WAN: Indica l'estat de la connexió a Internet.
  • LAN: Indicates activity on the respective LAN ports.
  • VPN: Indicates VPN tunnel status (if configured).
• Accessing the Management Interface: To manage the router, open a web browser on a connected computer and enter the router's IP address (e.g., 192.168.1.1, consult your configuration). Log in with your administrator credentials.
• Configuration Changes: Use the management interface to adjust network settings, configure security policies, manage VPNs, and monitor network performance.
• Operació segura: Ensure strong passwords are used for all administrative accounts. Regularly review and update security configurations, including firewall rules and IPS signatures.

5. Manteniment

Un manteniment regular ajuda a garantir la longevitat i el rendiment òptim del vostre encaminador.

• Actualitzacions de firmware: Consulteu periòdicament el suport tècnic de Cisco website for firmware updates. Keeping the firmware current can improve performance, add new features, and address security vulnerabilities. Follow Cisco's official instructions for firmware upgrades.
• Neteja física: Keep the router free from dust. Use a soft, dry cloth to wipe the exterior. Ensure ventilation openings are not blocked. Do not use liquid cleaners or aerosols.
• Condicions ambientals: Operate the router within its specified temperature and humidity ranges. Avoid placing it in areas with extreme temperatures or high moisture.
• Configuració de còpia de seguretat: Regularly back up your router's configuration settings. This allows for quick restoration in case of a reset or hardware replacement.

6. Solució De Problemes

Si teniu problemes amb el vostre encaminador, consulteu els passos habituals de resolució de problemes següents.

• Sense energia:
  • Ensure the power adapter is securely connected to both the router and a working electrical outlet.
  • Comproveu si la presa de corrent funciona connectant-hi un altre dispositiu.
• No Internet Connectivity:
  • Verify that the WAN cable is securely connected to both the router and your modem/ISP device.
  • Check the WAN indicator light on the router. If it's off or red, there might be an issue with the internet connection from your ISP.
  • Restart your modem, then the router, and then your computer.
  • Confirm your ISP service is active.
• Local Network (LAN) Issues:
  • Ensure Ethernet cables are properly connected to the LAN ports and your devices.
  • Check the LAN indicator lights for activity.
  • Verify IP address settings on your connected devices (they should typically obtain an IP address automatically via DHCP from the router).
• Rendiment de xarxa lent:
  • Comproveu si hi ha aplicacions amb un trànsit de xarxa elevat o un gran consum d'ample de banda.
  • Assegureu-vos que el firmware del router estigui actualitzat.
  • Consider the number of devices connected and their activities.
• No es pot accedir a la interfície de gestió:
  • Verify your computer is connected to a LAN port of the router.
  • Ensure you are using the correct IP address for the router's interface.
  • Esborra la memòria cau del navegador o prova un altre navegador.
  • If you forgot the password, a factory reset might be necessary (consult Cisco documentation for the specific procedure, as this will erase all configurations).

For more detailed troubleshooting, refer to the official Cisco documentation or contact Cisco support.

7. Especificacions

8. Garantia i Suport

8.1 Informació de la garantia

This product is sold as "Renewed." Please note the following regarding returns and warranty:

We DO NOT accept RMAs or Returns for Non-Defective Items. Any merchandise returned for repair and found NOT to be defective by our technicians will incur a 25% restocking fee. There will be no exception to this policy. By placing a bid or order with us, you acknowledge and accept these procedures. Additional warranty length may be available; contact the seller directly for more details.

For specific warranty terms and conditions, it is recommended to consult the seller or Cisco's official warranty policies for renewed products.

8.2 Suport tècnic

For technical assistance, advanced configuration, or issues not covered in this manual, please refer to the official Cisco support website or contact Cisco technical support directly. Have your product model and serial number ready when seeking support.

You can find comprehensive documentation, drivers, and support resources on the Suport de Cisco Weblloc.