There’s thousands of great CCIE articles out there just waiting to be found.
If there’s one thing the new CCIE Study Wiki does well, it’s how it serves as a central point for collecting and sorting information from all corners of the web. Right now there are over 3000 quality links, and it’s growing everyday.
Here’s a sample of tips from around the web, as indexed in the CCIE Study Wiki, to help you pass the CCIE Routing and Switching Lab exam. Enjoy!
BGP
- Check out this video on BGP troubleshooting!
- Why BGP isn’t installing that route.
- How to troubleshoot a unreachable BGP neighbor.
- A presentation on EBGP peering.
- BGP convergence and updates.
- Looking at the BGP distance command.
- A nice chart illustrating the BGP bestpath selection process.
- Routing with the various BGP attributes.
- How to use BGP communities to influence routing.
- Configuring BGP outbound route filtering.
- Some BGP local-as tips and tricks.
- BGP fast external failover.
EIGRP
- Troubleshooting tip: clear your IP EIGRP process!
- Some basic EIGRP notes, including packet structure diagrams.
- Showing how EIGRP updates are bounded.
- Calculating EIGRP metrics.
- EIGRP metric manipulation.
- A tutorial on EIGRP stub leak maps.
- How EIGRP supports unequal cost load-balancing.
- Using EIGRP neighbor commands.
OSPF
- Why OSPF routes my be in the OSPF database but not the routing table.
- Dealing with OSPF neighbors stuck in the EXSTART phase.
- Saving resources by using the OSPF ispf command.
- Check out these animations of OSPF operations.
- OSPF convergence.
- A tutorial on using OSPF on unnumbered serial links.
- A summary of the different effects of the OSPF network command.
- OSPF area types and LSA behavior.
- An overview of OSPF virtual-link utilization.
- How to filter OSPF routes that have the same source IP.
- Mysteries of the OSPF default route.
- Understanding the OSPF area transit capability.
IP Services
- The ins and outs of NTP authentication.
- Configuring an IOS DHCP server.
- A video on configuring NAT overload.
- How to preserve NAT translations when a router fails.
- Watch out for this HSRP “gotcha”.
- A video on configuring basic HSRP.
- Setting up load-sharing and VRRP.
- Gateway Load-Balancing Protocol configuration explained.
- Using IP accounting to solve a CCIE lab problem.
Layer 2 Technology
- A discussion of etherchannel load balancing.
- Setting up a RSPAN session.
- Here’s an overview of link-state tracking.
- Some things to watch out for in NBMA environments.
- An explanation of Frame Relay BECN/FECN usage.
- How to self-ping with PPP over Frame Relay.
- How the max spanning tree diameter feature works.
- Some notes on advanced spanning-tree features.
- Using spanning tree for to share traffic.
- How to infer the VLAN of an arriving frame.
- Things to know about VTP.
- How private VLANs really work.
- Using VLAN access lists.
- PPP one-way authentication.
IPv6
- How to quickly summarize an IPv6 address.
- Configuring IPv6 general prefixes.
- IPv6 tunnel types.
- How to make a VLAN use IPv6 only.
Multicast
- A real-world multicast troubleshooting problem.
- Multicast MAC to IP addressing.
- Some animations detailing CGMP operation.
- An overview of IGMP timers.
- How to control access to a rendezvous point.
- Manual and Auto RP selection.
QoS
- Time based QoS policies.
- How policy-based routing can be used for QoS marking.
- Using the QoS pre-classify command.
- Cisco IOS queuing principles.
- The various types of traffic shaping.
- Configuring QoS policing.
- An awesome diagram of the Catalyst 3560 queuing process.
- Using NBAR.
Network Optimization
- Some notes on SNMP traps.
- The difference between RMON absolute and delta modes.
- An overview of the IOS embedded event manager.
Route Redistribution
- Understanding route redistribution.
- It can be tricky to turn off route redistribution sometimes!
- Redistributed connected routes are always preferred.
- An excellent chart detailing the redistribution seed metrics.
- Set route-tags with the BGP table-map command.
Miscellaneous CCIE Technology Articles
- A nice explanation of the CEF adjacency table.
- Using route maps to filter traffic without ACLs.
- A prefix-list tutorial.
- Point-to-point and multipoint GRE tunnels.
- Understanding performance routing.
Security
- Understanding binary math.
- Compute an access-list to match even or odd networks.
- How and why to use reflexive access lists.
- Compacting ACLs by using ACL object groups.
- Features of the IOS logging monitor.
- Configuring 802.1x security.
- Summarizing the various switch-based security features.
- Filtering in DHCP snooping.
- Configuring context-based access control (CBAC).
- Overview of the IOS Zone-based firewall.
System Management
- Examining the different banner types.
- How to source telnet traffic from a secondary IP address.
- The basics of managing configuration files.
- Configuring KRON, includes a flash demo.
- Video on Cisco command filtering.
- Some undoccumented IOS commands.
- How to use a “?” as a character in a Cisco password.
General Test Info and Strategy
- An awesome CCIE Study Kit.
- CCIE lab preparation strategies.
- How I passed the CCIE lab.
- Another CCIE shares his success story.
- An expanded CCIE 4.0 lab blueprint.
- Another expanded CCIE 4.0 lab blueprint.
- How to prep for CCIE Routing and Switching troubleshooting.
- A free open-ended question quizzer.
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Excellent work!. Thanks
Thanks for the compliment Nicolas. Nice work on your site as well!