Was chatting with Darren at Darren’s CCIE mission yesterday. We started to discuss some of the commands we frequently used to check IP addresses etc. He thought I should do a post on it and here it is. This first
Filtering routes in EIGRP
EIGRP is often called a hybrid because it has some similar features to link state protocols and also has distance vector features but the truth is that it is a distance vector protocol. Even though it is distance vector it
EIGRP on secondary interfaces – quiz
When we configure EIGRP on interfaces that are not on the same subnet we will get a message from EIGRP telling us this. What happens if we configure EIGRP on secondary interfaces? Try this setup with two routers: R1: Primary
CCIE link #12
This post is by Brian McGahan on OSPF type 5 E1 vs E2 routes. It explains in detail how the OSPF state machine works and busts a few myths on OSPF metric calculation. Remember that OSPF prefers E1 over E2
CCIE link #11
To be a CCIE we need a good grasp of switching and STP. This post by Petr Lapukhov (again) is one of the best I’ve ever seen on STP. This post describes PVST+ in detail. Read it here.
Flashcards updated
I’ve added some more flashcards. The latest addition contains some questions on QoS, EEK, BGP and OSPF authentication etc. The total number of flashcards now exceeds 260. Download as usual from here.
CCIE link #10
This is the final post by Petr on route redistribution. If you have read all three of them you should have a much better understanding of route redistribution. Also, INE has released a few videos on route redistribution from ther
Good week
I’ve had a good week of studying so far. I’ve been doing INEs Vol2 lab7 and it’s a really challenging lab and it’s rated a 9 for difficulty. If the real lab is close to this then time is going
CCIE link #9
This is Petr from INEs second blog post on route redistribution in a three part series. I am starting to get a better grasp of route redistribution. I want to reach the level where I can look at a diagram
CCIE link # 8
Route redistribution can be very complex in certain scenarios. I have struggled a bit with some of these scenarios and now I’m trying to increase my knowledge in this area. This post at INE is by Petr Lapukhov. Petr is