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Day two and three consisted of IGPs and BGP. Again for these two days there wasn’t any lecture to start the day. On day two, we started out doing three troubleshooting question on layer 2 then we jumped right into a five hour IGP lab. The lab itself had sections on OSPF,EIGRP,RIP and redistribution. It is nice still being able to pick up a few things on redistribution. Any time I hit a redistribution section I always seem to let it get out of hand in a hurry. It comes down to repetition and practice though. The more you do it, the better you become at catching the issues before you even start. The biggest piece of advice I can give is draw everything out before you start. Know where you mutual points of redistribution are and if there are more than one. Know exactly where you are going to get any route feedback and from what protocol. The distance command will forever be your best friend, along with the debug ip routing command. Of course you could always get lucky and just get mutual redistribution between EIGRP and OSPF!

After giving us five hours to work on the lab, Anthony went over each question and explained why we answered it the way we did. I have to give him credit, it is a lot of stuff to walk through step by step. Good thing is all this is being recorded so I can go over it again in a few weeks.


Today we started with three IGP troubleshooting questions which were pretty straight forward. They are based off of the IGP stuff we configured the day before so we were familiar with the topology. That does help when trying to figure out what someone has broke. After that we jumped into the BGP lab for about three and half hours. One thing I liked about the BGP lab was there wasn’t a bunch of basic configurations like ebgp-multihop or any update-source. It seems INE’s thinking is you already have that stuff down to a science, now is not the time to be introduced to that. Again, after we went through the lab, Anthony went through each question. One thing about doing the class live is you run into real situations like IGP administrative distances or summary routes creating a little bit of havoc. This is always a nice little curve ball while practicing. Keeps you on your toes.

Tomorrow is day four with Multicast and IPv6 labs. Not looking forward to the Multicast fun… 🙂

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