From: Dillon Yang (dillony@gmail.com)
Date: Wed Apr 06 2005 - 10:06:32 GMT-3
Hi, Jongsoo:
Congratulations!
How about the difficulty between the two attempts? Is it what you expect?
dillon
On Apr 6, 2005 8:49 PM, Jongsoo kim <bstrt2002@gmail.com> wrote:
> Dera All
> I failed last 28-Feb in RTP and when leaving the RTP, I felt very
> positively I might have a good chance to pass it ...but yesterday when I was
> leaving RTP, I knew I finished all the questions on the paper with a
> confidence that this should be the answer because there is no other ways or
> I am 100% compliant to the restriction... On the other side, if I failed, I
> will definitely ask for regrading...
> However, I also had a feeling what I am going to do if I failed this time
> after that much of study...
> Obviously, the confidence that I used to have when I knew only a couple of
> ways to make it work isn't with me after I learned so many other ways that I
> didn't know...
> Anyway, let me go over how our check list worked during my lab.
> First, I followed it exactly. CAT table, IGP drawing, and BGP drawing. Each
> of these drawings capture everything but IP address. IGP Darwin has a nice
> coloring per protocol (well-sharped pencil was really good to use).
> I was like MLS switch as only first packet of a new flow go through process
> and all other done by ASIC.
> Anything missing, I just update my drawing so that I don't have go through
> again multiple papers, which reduced significantly my brain CPU cycles.
> I finished L2, IGP, ISDN, and BGP ( with 4 questions( route filters)
> skipped, unrelated to full reachability) with TCL scrip validation of a good
> working full reachability before lunch. I couldn't believe how fast I was
> able to finish OSPF compared to last time. I rebooted router right before
> lunch. When I came back, I ran again TCL and surprised to find out ping
> failed to one router and BGP neighbor down. One of default-metric
> disappeared...which I thought might happen to my other trials..
> After I achieve a full reachability by lunch, I knew I am controlling time
> unlike being controlled by it in my last attempt.
> It was a totally different game when I can control the time...
> Whenever I do some flow restriction, I ran TCL to validate I am not breaking
> any previous works.
> There was only one question( 2 point) I didn't know...ironically it was the
> last question of the lab and it was security again related to some flow
> restriction...Initially I thought it is only 2 point and I'd rather give
> this up because I didn't want to repeat my nightmare on my 2nd attempt. But
> I sort of recalled some discussion on groupstudy on similar topic. After
> some research on CD, I was able to get it right because my solution matched
> the result criteria. Immediately, I ran TCL script and check all the related
> protocol.
> And finally, I rebooted all the routers and Sw of course after "wr" before
> going to restroom.
> And I ran again TCL and saw ping drop but I was in a good control because I
> was confident my config is correct.
> It turned out that SW OSPF came up later than router...
> That was the last thing I did. and I walked out...
> Regards
> Jongsoo
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