I’m doing the security section of Vol1 right now and this is something I think people might have confused. Look at the following configuration: ! Scenario 1 aaa authentication login default group tacacs+ none aaa authorization exec default none !
Frame-relay IPv6 speed drill
Going for the lab we need both speed and skills. I made a simple IPv6 frame-relay lab that should test your speed. Time yourself and post your time to configure in the comments. Just by looking at the time I
Followup on multicast helper map
I had some requests for the final configs so I have fixed those. You can download them here. Also I had some issues getting the traffic through but thanks to my helpful readers like zumzum I now have it figured
Multicast helper map and how to verify multicast
The multicast helper map is an interesting feature. It can be used in scenarios where we want to transport broadcast. Routers don’t forward broadcast by default but we can convert this to multicast and transport it across our network and
Common misconceptions about the ip mroute command
Almost all of us know the difference between a static route and a dynamic one, longer match wins. If same length then AD decides and so on. I have noticed that there are some misconceptions about the equivalent to ip
A CCIE level of thinking
Becoming a CCIE is a lot about technology, but it is also a mental game. Many people forget this aspect. What do I mean with this? Yes, we need to know the technology inside out but we also need to
Status update
Difficult finding time for posts lately. I am deep into studies. I have now passed 500h preparing for the lab. My focus right now is mainly Vol1 labs with a Vol2 lab every other week. Towards the end my focus
OSPF Vol1 finished
Finished OSPF Vol1 tonight. I should know pretty much everything about OSPF by now. Here are some advice that I think is good when handling OSPF. show ip ospf data self-originate – Will show what LSAs the local router is
Fun with OSPF
Did some OSPF labbing yesterday. Ran into some interesting stuff. Imagine that you are running a frame-relay network which is hub and spoke. All routers are using their main interface for communication. The hub router has the static frame relay
RIP timers
RIP timers are the most basic thing in the world right? Even the command to set them is named timers basic… However in some documentation it is not really clear what the difference is between the invalid and holddown timer.