1. 서론
This manual provides essential information for the installation, operation, maintenance, and troubleshooting of the Cisco ISR 4431 Integrated Services Router. The Cisco 4000 family of Integrated Services Routers (ISR) is designed to enhance WAN communications in enterprise branch environments. It offers advanced network capabilities and convergence to support application-aware networking in distributed enterprise sites, facilitating communication with private data centers and public clouds across various link types, including Multiprotocol Label Switching (MPLS) VPNs and the Internet.
2. 안전 정보
Always observe standard safety precautions when working with electrical equipment. Ensure proper grounding and ventilation. Do not operate the device in wet or excessively dusty environments. Refer to local electrical codes for installation requirements.
3. 패키지 내용
패키지에 다음 품목이 포함되어 있는지 확인하십시오.
- Cisco ISR 4431 Router
- 랙 장착 키트
- Power cord (country-specific)
- 문서(이 매뉴얼, 안전 정보)
4. 설정 및 설치
4.1 물리적 설치
The Cisco ISR 4431 is designed for rack-mounting. Follow these steps for secure installation:
- 랙을 준비하세요: Ensure the rack is stable and has adequate space and ventilation for the router.
- 장착 브래킷 부착: Use the provided rack mounting kit to attach the brackets to the sides of the router.
- Mount the Router: Carefully slide the router into the rack and secure it with the appropriate screws.
- 공기 흐름 확보: Maintain proper clearance around the router for optimal cooling.
그림 1: 전면 view of the Cisco ISR 4431 Router, showing ports and ventilation. This image illustrates the physical appearance of the device, including its black chassis and rack-mountable design.
4.2 라우터 연결
After physical installation, connect the necessary cables:
- 전원 연결: 전원 코드를 라우터의 전원 입력 단자에 연결한 다음 접지된 콘센트에 꽂으십시오.
- 네트워크 연결 : Connect WAN and LAN cables to the appropriate Ethernet ports.
- USB 포트: The router features two USB 2.0 ports for connecting compatible devices or storage.
- 콘솔 포트: For initial configuration, connect a console cable to a management workstation.
4.3 초기 전원 켜기
Once all connections are secure, power on the router. Observe the system LEDs for boot-up status. The router will load its operating system, Cisco IOS IP Base.
5. 작동 및 구성
The Cisco ISR 4431 operates on Cisco IOS IP Base. Configuration is typically performed via the command-line interface (CLI) accessed through the console port or remotely via SSH/Telnet after initial setup.
5.1 Basic Configuration Steps
- CLI에 액세스합니다. Connect to the router via console or network.
- 초기 설정 마법사: Follow the prompts for basic network settings, hostname, and passwords.
- 인터페이스 구성 : Configure IP addresses, subnet masks, and other parameters for WAN and LAN interfaces.
- 라우팅 프로토콜: Implement necessary routing protocols (e.g., OSPF, EIGRP, BGP) for network communication.
- 보안 설정: Configure access control lists (ACLs), firewall rules, and VPNs as required for secure operations.
For detailed configuration commands and advanced features, refer to the official Cisco IOS documentation available on the Cisco web대지.
6. 유지관리
6.1 펌웨어 업데이트
정기적으로 Cisco 지원을 확인하세요 website for the latest firmware (Cisco IOS) updates. Applying updates can improve performance, add new features, and address security vulnerabilities. Follow Cisco's recommended procedures for firmware upgrades to avoid service interruptions.
6.2 청소
Keep the router free from dust and debris. Use a soft, dry cloth for external cleaning. Ensure ventilation openings are clear to prevent overheating. Do not use liquid cleaners directly on the device.
6.3 환경 고려 사항
Operate the router within its specified temperature and humidity ranges. Ensure adequate ventilation to prevent heat buildup, which can affect performance and longevity.
7. 문제 해결
이 섹션에서는 일반적으로 발생할 수 있는 문제에 대한 지침을 제공합니다.
7.1 전원 문제
- 전원 없음: Verify the power cord is securely connected to both the router and a working electrical outlet. Check the power switch position.
- 전원 LED 꺼짐: If the power LED is off, ensure the power supply is functioning correctly.
7.2 네트워크 연결 문제
- 링크 표시등 없음: Check Ethernet cable connections. Ensure the connected device is powered on and functioning.
- Cannot Access Router: Verify IP address configuration on your management workstation. Ensure firewall rules are not blocking access.
- Internet Access Failure: Check WAN interface status, ISP connection, and routing table entries.
7.3 시스템 재설정
In some cases, a system reset may be necessary. Consult Cisco documentation for proper reset procedures, as improper resets can lead to configuration loss.
8. 기술 사양
| 특징 | 사양 |
|---|---|
| 상표 | 시스코 |
| 모델명 | ISR 4431 |
| 품목 모델 번호 | ISR4431/K9 |
| 숫양 | 4000메가바이트 |
| 플래시 메모리 크기 | 8000메가바이트 |
| 운영 체제 | Cisco IOS IP Base |
| 하드웨어 플랫폼 | PC |
| USB 2.0 포트 수 | 2 |
| 연결 기술 | 이더넷 |
| 제품 크기(LxWxH) | 22.8 x 6 x 17.6 인치 |
| 품목 무게 | 0.32 온스 |
| 색상 | 검은색 |
| 권tage | 240 볼트 |
| 추천 용도 | 사업 |
| 포함된 구성 요소 | Router, Rack mounting kit |
9. 보증 정보
The Cisco ISR 4431 Router is covered by a manufacturer's warranty. For specific terms, conditions, and duration of the warranty, please refer to the documentation provided with your purchase or visit the official Cisco web사이트. 보증 청구를 위해 구매 증빙 자료를 보관하세요.
10. 고객 지원
For technical assistance, additional documentation, or to report issues, please visit the official Cisco support website or contact Cisco customer service. Ensure you have your product model number (ISR4431/K9) and serial number ready when seeking support.
시스코 공식 웹사이트 Web대지: www.cisco.com
