Routing and Switching

·
Internetworking Technology Handbook - Cisco
· Improving Security on Cisco Routers - Cisco
· Juniper Quick Reference Technical Documentation
· The Bogon Reference Page - Cymru
· SwiNOG Bogus Network Search Tools
· IANA IPv4 Allocation List
· Elan.Net IANA IPv4 Addresses
· NSA Cisco Routers Security Guide
· Secure Router Configuration Templates and More - Cymru
· BlackHole Route Server and Tracking Traffic on an IP Network
· How to Allow Customers to Blackhole Their Own Traffic
· ISP Filter Policies - NANOG
· Firewalls and Internet Security - Repelling the Wily Hacker
· DDoS Mitigation and Analysis at the Infrastructure Level
· IP Backbone Security
· IP - Cisco
· Security Tools List
· Undocumented IOS Commands
· Cisco IOS Keyboard Shortcuts
· Cheat Sheets - PacketLife.net
· Cisco Tools - BradReese.com
· Cisco How-To Tutorials - BradReese.com
· IP Technology - Cisco

Routing Protocols

· IP Routing - Cisco
· Cisco Routing Protocols & Other Guides - Cisco
· Best Practices in IPv4 Anycast Routing - PCH
· Understanding Cisco IOS ACL Support - Cisco
· Access Control Lists: Overview and Guidelines - Cisco
· Turbo Access Control Lists - Cisco
· Route-Maps for IP Routing Protocol Redistribution Configuration - Cisco
· NAT Support Page - Cisco
· Cisco IOS "show ip route" Field Descriptions
· Cisco IOS Route Selection
· Cisco IOS Administrative Distance

BGP
· BGP Introduction - Rhys Haden
· BGP Case Studies: Multihop, Route Maps, Attibutes, Backdoor, Weight, Local Pref, Community, Regular Expression, Confederation, Route Reflector, Dampening - Cisco
· BGP Best Path Selection Algorithm
· BGP Path Selection - Das Blinken Lichten
· BGP Default Route - CT3
· Multipath Load Sharing with two ISPs
· BGP Command Reference - Cisco
· BGP Configuration - Cisco
· BGP Support Page - Cisco
· Using BGP Community Values to Control Routing Policy in Upstream Provider Network - Cisco
· BGP Community Guides From Several Network Service Providers
· The Team Cymru BGP Data Page
· Secure BGP Template - Cymru
· BGP Tutorial by Sam Halabi - Cisco
· Secure BGP Template - Cymru
· Configuring BGP - Cisco
· Sample Configurations for Load Sharing with BGP in Single and Multihomed Environments - Cisco
· A Tutorial in Multi-Homing with BGP on a Cisco
· Configuring and Verifying the BGP Conditional Advertisement Feature - Cisco
· BGP Construct
· Regular Expression Symbols
· Regular Expression For Network Engineers - PacketPushers
· Using Regular Expressions in BGP - Cisco
· Regular Expression I - Cisco
· Regular Expression II - Cisco
· Regular Expression III - Cisco
· Regular Expression - Wikipedia
· Regular-Expressions.info
· Regular Expressions
· Steve Ramsay's Guide to Regular Expressions
· Regular Expressions Fundamentals - ZyTrax
· Perl Regular Expressions
· What Regular Expressions Are and How You Can Benefit from Using Them
· BGP Communities - Network Providers Community Guides
· BGP Communities - GBLX
· BGP Communities - C&W
· RoLex: Routing Lexer - BGP Configuration Verifier
· Exploring Autonomous System Numbers
· BGP - The Movie

OSPF
· OSPF Introduction - Rhys Haden
· OSPF Fundamentals
· OSPF Support Page - Cisco
· OSPF Command Reference - Cisco
· OSPF Design Guide - Cisco
· OSPF Database Explanation Guide - Cisco
· What Does the show ip ospf neighbor Command Reveal? - Cisco
· How Does OSPF Generate Default Routes? - Cisco
· Troubleshooting OSPF - Cisco
· Configuring OSPF - Cisco
· Filtering Routes in OSPF Within An Area
· Filtering Routes in OSPF Between Areas Using [area filter-list]
· OSPF FAQs - Cisco

IS-IS
· IS-IS Introduction - Rhys Haden
· IS-IS Introduction - Abe Martey at NANOG 20
· OSPF and IS-IS: A Comparative Anatomy - David Katz at NANOG 19
· IS-IS Command Reference - Cisco
· Integrated IS-IS Configuration - Cisco
· Configuring IS-IS - Cisco
· IS-IS Tutorial
· IS-IS Support Page - Cisco
· OSI Routing Protocol - Cisco
· Cotse - The Integrated IS-IS Algorithm
· CLNS/IS-IS Technical Tips - Cisco

EIGRP
· EIGRP Introduction - Rhys Haden
· EIGRP Support Page - Cisco
· EIGRP Command Reference - Cisco
· EIGRP - Cisco
· EIGRP Documentation - Cisco

IGRP
· IGRP Introduction - Rhys Haden
· IGRP Support Page - Cisco
· IGRP Commands - Cisco
· IGRP - Cisco
· IGRP Design Guidelines - Cisco
· Configuring IGRP - Cisco

RIP
· RIP Introduction - Rhys Haden
· RIP Support Page - Cisco
· RIP - Cisco
· RIP Command Reference - Cisco
· RIP Design Guidelines - Cisco
· Configuring RIP - Cisco

MPLS

· MPLS Resource Center
· MPLS Forum
· MPLS Tutorial at NANOG
· Cisco IOS MPLS Command Reference
· MPLS Technology - Cisco
· MPLS/Tag Swtiching - Cisco
· MPLS Introduction - Technology, Label Distribution and Services - Cisco
· MPLS Troubleshooting - Cisco
· IP Switching - Cisco
· MPLS Overview and Configuration - Cisco
· MPLS Class of Service - Cisco
· MPLS Label Switch Controller - Cisco
· MPLS AutoBandwidth Allocator - Cisco
· The "Unofficial" MPLS Service Provider List
· GMPLS Resource Center
· MPLS Acronym Dictionary

IP Multicast

· IP Multicast Introduction - Rhys Haden
· IP Multicast - Cisco
· Understanding and Configuring IP Multicast - Cisco
· IP Multicast Commands - Cisco
· CGMP and IGMP Snooping - Cisco
· Basic Multicast Troubleshooting Tools - Cisco
· IP Multicast Addresses - Network Sorcery

VPN

· VPN Introduction - Rhys Haden
· Security and VPN Technical Support - Cisco
· MPLS VPN - Cisco
· MPLS VPN Introduction - Cisco
· MPLS VPN Enhancements - Cisco
· VPN Solutions and Documentation - Cisco
· VPN Info on the World Wide Web
· VPN Labs
· VPNC - VPN Consortium
· ITPRC - VPN & Encryption
· ONLamp.com - VPNs and IPSec Demystified
· VPN Discovery and Fingerprinting Technique
· VPN FAQ
· VPN Glossary

IPSec

· IPSec Introduction - Rhys Haden
· Designing Site-to-Site IPSec VPNs Part I - IPCorner
· Designing Site-to-Site IPSec VPNs Part II - IPCorner
· IPSec Documentation - Cisco
· Introduction to IPSec Encryption - Cisco
· Understanding IPSec Protocols - Cisco
· IPSec Modes Transport and Tunnel - The TCP-IP Guide
· IPSec Tunnel Snapshot - Commands That Provide a Quick View of IPSec VPN Tunnels - Cisco
· IP Security Troubleshooting - Understanding and Using debug Commands - Cisco
· Reference Guide to Implementing Crypto and QoS - Cisco
· IPSec Protocol Types
· IPSec Virtual Private Networks in Depth - Cisco
· IPSec Configuration Guide - Cisco
· IPSec Command Reference - Cisco

SSL

· SSL Introduction - Rhys Haden

Switching

· Cisco IOS Switching Services Command Reference
· Cisco IOS Switching Services Configuration Guide
· Cisco IOS Switching Paths
· Multi-layer Switch Testing & Analysis
· Cisco IOS Software NetFlow

L2 Switching

· LAN Switching - Cisco
· VLAN Security White Paper - Cisco
· VLAN Security White Paper - PCH
· Cisco Catalyst Series Switches Configuration and Management Best Practices
· Troubleshooting LAN Switching Environments - Cisco
· Understanding Spanning-Tree Protocol Topology Changes - Cisco
· Troubleshooting Spanning-Tree Protocol and Related Design Considerations - Cisco
· Cisco IOS HSRP Support Page
· Multilayer LAN Switches Documentation - Cisco

QoS

· QoS Introduction - Rhys Haden
· Quality of Service Design Overview - InformIT
· Quality of Service (QoS) - Cisco
· QoS Order of Operation - Cisco
· Congestion Management Overview - Cisco
· Cisco IOS Quality of Service Solutions Command Reference
· Cisco IOS Quality of Service Solutions Configuration Guide
· QoS and Policy Management - ITPRC
· Providing QoS Through a Network
· The Differentiated Services Model (DiffServ) - Cisco

NAT

· NAT Introduction - Rhys Haden
· IOS Network Address Translation Overview - Cisco
· NAT Anatomy - Cisco IPJ

PIX

· PIX Security Appliance OS and Command Reference - Cisco
· PIX Technical Documentation - Cisco
· CiscoSecure ACS and PIX Firewall Configuration Guide - Cisco
· PIX Introduction
· PIX Firewall Basics - Chesapeake NetCraftsmen
· PIX Firewalls: Access Lists and Management - Chesapeake NetCraftsmen
· PIX Firewalls: Fixups, Failover, and DHCP - Chesapeake NetCraftsmen
· PIX Firewalls: IPsec on a PIX - Chesapeake NetCraftsmen
· PIX Firewall - Practical Guide

Cisco Links

· Cisco Software Advisor
· Cisco Feature Navigator
· Cisco Hardware Dynamic Configuration Tool
· Cisco Distribution Product Reference Guide
· Cisco Connection Documentation
· Guide to Cisco IOS Release Naming
· Cisco IOS, XE, XR and NX-OS Software Reference Guide
· Cisco IOS XE Software Reference Guide
· Cisco Configuring IP Access Lists
· Cisco IP Routed Protocols Support Site
· Cisco Troubheshooting TCP/IP
· Cisco Using the Extended Ping and Extended Traceroute Commands
· Cisco Ping and Traceroute Response Codes
· Cisco Routing Protocols Technical Tips
· Cisco TACACS
· Cisco ftp-eng - Technical Presentations and Documentation
· Cisco Network Management Systems Technical Tips
· Cisco CEF
· Cisco SNMP
· Cisco MIBs
· Cisco Tool Command Language (TCL) Software
· Cisco Resource Manager Essentials and Syslog Analysis: How-To
· Cisco rommon Commands
· Cisco Password Recovery Procedures
· Cisco Key Combinations for Break Sequence
· Cisco Configuration Register Use on All Cisco Routers
· Cisco Configuration Register Information
· Cisco Error Message Decoder Tool
· Cisco Output Interpreter Tool
· Cisco Bug Toolkit
· Cisco Command Lookup Tool
· Cisco Field Notice Tool
· Cisco Retreiving Information from the Crashinfo File
· Copy Configurations To and From Cisco Devices Using SNMP - Cisco
· Cabling Guide for Console and AUX Ports - Cisco
· Serial Cable Guide - Cisco
· Cisco IP Source Tracker
· Using Test TCP (TTCP) to Test Throughput - Cisco
· Cisco Visio Stencils
· Cisco Icon Library
· Cisco Glossary

Other Resources

· NANOG Subject Index
· Juniper - Quick Reference Technical Documentation
· The Digital Tool Group Networking & Network Security
· Cisco-centric Open Source Exchange Community
· Nick McKeown's Home Page
· Asbjorn's Networking Page
· RouterGod
· Chesapeake Cisco World Articles
· Access List Tutorial
· Cisco Security Technical Tips
· RADIUS for UNIX Administrator's Guide
· Search the Cisco Mailing List
· Building Bastion Routers Using Cisco IOS
· Checking Link Status on Cisco Routers
· GroupStudy.com - CCIE and other Cisco Certifications
· CertNotes - Cisco Certifications Technical Information
· Cisco Systems in a Nutshell
· Network Performance Testing With TTCP
· Boson Software - Certification Software
· How to Track a DoS Attack
· Python Routing Toolkit (`PyRT')
· Traffic Engineering and Routing Papers by Jennifer Rexford (ATT)
· Routing Protocols Usage Thread - NANOG

Network Analysis Tools

· CAIDA
· RANCID & Looking Glass Code
· Looking Glass Code
· Scion-NetSCARF Headquarters
· MRTG: The Multi Router Traffic Grapher
· RRD TOOL
· Insecure.org - Nmap, Tcpdump, Snort, Ethereal, IPTraf
· Sniffer Technologies - Network Management, Network Troubleshooting, IP Sniffer
· NetScan Tools
· Analyzer: a Public Domain Protocol Analyzer
· The Ethereal Network Analyzer
· Ethereal User's Guide
· ITPRC - IP Routing
· ResearchIndex [NEC Research Institute; CiteSeer; Computer Science]
· Shomiti Systems
· Merit Products and Services
· Network Performance Testing With TTCP


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