Routing

BGP Table Statistics
Graphs and reports on the number of BGP routes, network blocks, and the IP and IPv6 address spaces.
http://bgp.potaroo.net/

Cisco Routing Protocols Explained
Index of technical documentation.
http://www.cisco.com/public/technotes/tech_protocol.shtml

Howstuffworks "How Routers Work"
Routers are such a vital component of the Internet that the Internet literally could not exist without them. Find out exactly how routers work and why they are so important!
http://www.howstuffworks.com/router.htm

Interior Gateway Protocols
Tutorial slide presentation on interior routing protocols like RIP and OSPF.
http://www.ecse.rpi.edu/Courses/S98/35696/i11_rip/tsld001.htm

Internetwork Design Guide
This publication provides internetworking design and implementation information and helps you identify and implement practical internetworking strategies that are both flexible and scalable
http://www.cisco.com/en/US/docs/internetworking/design/guide/idg4.html

Introduction to LAN Protocols
This document introduces the various media-access methods, transmission methods, topologies, and devices used in a local-area network (LAN).
http://www.cisco.com/en/US/docs/internetworking/technology/handbook/Intro-to-LAN.html

IP Addressing and Subnetting for New Users
This document provides basic information on how to configure a Cisco router for routing IP.
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00800a67f5.shtml

ITPRC - IP Routing
A collection of links to information on IP Routing.
http://www.itprc.com/routing.htm

MPLS
Multiprotocol Label Switching charter at ITEF.
http://www.ietf.org/html.charters/mpls-charter.html

Multi Layer Routing
Integration of Layer 2 and Layer 3.
http://www.watersprings.org/links/mlr/

Overview of Routing between Virtual LANs
This document provides an overview of virtual LANs (VLANs). It describes the encapsulation protocols used for routing between VLANs and provides some basic information about designing VLANs.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios113ed/113ed_cr/switch_c/xcvlan.htm

Routing and Switching in ATM Networks
Organizing your ATM network into a hierarchy will make for efficient routing and allow expansion
http://www.byte.com/art/9709/sec4/art3.htm

Routing Configuration
Configuration information for 3Com Corebuilder products
http://support.3com.com/infodeli/tools/switches/cb9400/product/12280/c15ip.htm

Subnet Masking Summary
Explanation and help with calculations.
http://www.exabyte.net/lambert/subnet/subnet_masking_summary.htm