Parkhurst, B.: Routing first-step. Cisco Press. ISBN 1587201224.
White, R.: Caveats in Testing Routing Protocol Convergens, The Internet Protocol Journal, Cisco Systems, Volume 8, Number 4, December 2005, sid 20-27. 2005.
Halabi, S.: Internet Routing Architectures, 2nd ed. Cisco Press, 2000.
Doyle, J. & Carroll, J.: CCIE Professional Development, Routing TCP/IP, Volume 1, 2nd ed. Cisco Press, 2006.
Comer, D.: Internetworking with TCP/IP, 5th ed. Pearson Prentice Hall, 2006.
Cisco Router Configuration Tutorial.
Router Lab Reference Links.