CCIE依旧是IT行业含金量最高的职业认证，要想获得这一证书，需要掌握丰富的网络知识，并了解大量的技术细节，同时还要具有相当强的问题分析与解决能力。备考CCIE是艰苦的，但回报却又相当丰厚。以下是思科（Cisco）官网推荐的通过CCIE考试（路由与交换方向，Routing & Switching）需要阅读的专业技术书籍（并非强制）。当然，即便你只是对网络技术感兴趣，系统地阅读这些经典的网络技术书籍也会大有裨益。（2016年11月更新）
CCIE Routing and Switching v5.0 Official Cert Guide, Volume 1, 5th Edition
CCIE Routing and Switching v5.0 Official Cert Guide, Volume 2, 5th Edition
Cisco CCIE Routing and Switching v5.0 Troubleshooting Practice Labs, 2nd Edition
Cisco CCIE Routing and Switching v5.0 Configuration and Troubleshooting Practice Labs Bundle
CCIE Routing and Switching v5.0 Official Cert Guide Vol 1 Premium Edition eBook/Practice Test, 5th Edition
Cisco CCIE Routing and Switching v5.0 Configuration Practice Labs, 3rd Edition
Routing TCP/IP, Volume 1
Routing TCP/IP, Volume II (CCIE Professional Development)
Troubleshooting IP Routing Protocols
Inside Cisco IOS Software Architecture (CCIE Professional Development Series)
Cisco OSPF Command and Configuration Handbook (paperback)
Cisco BGP-4 Command and Configuration Handbook
Cisco Field Manual: Router Configuration
Developing IP Multicast Networks, Volume I
Internet Routing Architectures
MPLS and VPN Architectures
MPLS and VPN Architectures, Volume II
End-to-End QoS Network Design: Quality of Service in LANs, WANs, and VPNs
Deploying IPv6 Networks
Network Security Technologies and Solutions (CCIE Professional Development Series)
Implementing EIGRP
IP Routing on Cisco IOS, IOS XE, and IOS XR: An Essential Guide to Understanding and Implementing IP Routing Protocols
Reference Material for Evolving Technology section
参考链接：
https://learningnetwork.cisco.com/docs/DOC-4601