BGP

Network Warrior: Everything You Need to Know That Wasn't on the CCNA Exam

DNS and BIND (5th Edition)

OSPF: Anatomy of an Internet Routing Protocol

BGP for Cisco Networks: A CCIE v5 guide to the Border Gateway Protocol (Cisco CCIE Routing and Switching v5.0) (Volume 1)

Site Reliability Engineering: How Google Runs Production Systems

Cisco IOS Cookbook: Field-Tested Solutions to Cisco Router Problems (Cookbooks (O'Reilly))

DNS and BIND on IPv6: DNS for the Next-Generation Internet

IPv6 Essentials: Integrating IPv6 into Your IPv4 Network

Internet Routing Architectures (2nd Edition)

JUNOS Cookbook: Time-Saving Techniques for JUNOS Software Configuration (Cookbooks (O'Reilly))