Books that I have enjoyed reading in my quest to gather network insights/knowledge are the following;
CCNP – Cisco Press
- CCNP Routing and Switching ROUTE 300-101 Official Cert Guide
- CCNP Routing and Switching SWITCH 300-115 Official Cert Guide
- CCNP Routing and Switching TSHOOT 300-135 Official Cert Guide
Cisco Press
- IP Routing Primer
- Cisco Intelligent WAN (IWAN) (Networking Technology)
- Advanced IP Network Design (CCIE Professional Development)
- MPLS Fundamentals
O’Reilly
- Cisco IOS Access Lists: Help for Network Administrators
- Exploring Expect: A Tcl-Based Toolkit for Automating Interactive Programs
Amazon affiliation programme
Network Ninja 