From: Rik Guyler (rik@guyler.net)
Date: Sun Apr 13 2008 - 17:44:04 ART
I tend to agree with you Gary. It also helps keep track of the VLAN
assignments. I didn't draw an L2 diagram my last attempt and kept mixing
them up. Time wasted usually equates to points left behind.
Rik
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Gary
Duncanson
Sent: Saturday, April 12, 2008 5:06 PM
To: darth router
Cc: ccielab@groupstudy.com
Subject: Re: Lab Diagrams
You should draw a L2 diagram anyway. L3 and upwards builds on your L2
foundation. A drawing ensures you have a reference point for the later
tasks.
Gary
----- Original Message -----
From: darth router
To: Gary Duncanson
Cc: Tanvir Afsar ; ccielab@groupstudy.com
Sent: Saturday, April 12, 2008 9:34 PM
Subject: Re: Lab Diagrams
You'd only need to draw a layer 2 diagram, if the layer 2 topology is
complicated. If you do all the internetworkexpert labs (free stuff my way
for the plug guys), you'll come across labs that get so complicated with
VLANs, that you could not pass without drawing one. The key is to practice
these variations, so when you face the real lab, you'll know what you need
to do based on what's given to you. In my 2 lab attempts, I did not need to
draw a layer 2 diagram.
On Sat, Apr 12, 2008 at 11:56 AM, Gary Duncanson
<gary.duncanson@googlemail.com> wrote:
Draw a diagram. Especially a L2 diagram or you will get confused and
nuke your lab.
Don't forget to turn those interfaces on! ;)
----- Original Message ----- From: "Tanvir Afsar"
<tanvir.afsar@gmail.com>
To: "Edward Balow" <ebalow@hotmail.com>
Cc: "ccie az" <ccieaz@googlemail.com>; "groupstudy"
<ccielab@groupstudy.com>
Sent: Saturday, April 12, 2008 2:43 PM
Subject: RE: Lab Diagrams
Hi,
Just want to add here that Practice labs usually follow the same
physical connections that are repeated again and again , in real lab a
diagram will help visualize whats going on and as Edward has pointed
out
"A big picture of what's going on is generally required."
Tanvir
On Sat, 2008-04-12 at 08:56 -0400, Edward Balow wrote:
I did not complete a L2 diagram at my first lab attempt and I did on
my second
attempt. I fully believe this is one of the contributing factors to
my
passing on the second try.
The below information is talking about practice labs only to avoid
NDA
violations-------
Once you get to the more complex practice labs, it should become
more
apparent. In short, you're going to end up with a lot of trunk
links and
access links and different vlans on different switches. Sometimes
even dot1q
tunneling.
A big picture of what's going on is generally required. To make
matters more
complicated, sometimes information is left off. For example, assume
you're
told to put all switches in transparent mode but are not
specifically told to
create each VLAN on each switch. Obviously the vlans get created on
the
switches that have access ports on them. But what about
intermediary
switches? It's easily seen which vlans you need to create on the
switches in
the middle, and which ones you don't, based on a diagram.
I'd say the "missing" information is one of the main reasons why a
L2 diagram
is helpful.
My L2 diagrams looked something like this (again, practice lab, not
real lab)
r1 r2 r5
|f0/1 |f0/2 |f0/5
| | f0/21 trunk |
------------|----------------|------------------------|
v5 sw1 v7 | | v5 sw2 |
------------| |-------------------------|
pretty crude in ascii, but you should get the idea. You know
exactly what
trunk links go to what switch. You also know vlan 5 must trunk
between sw1
and sw2. However, you can remove/prune vlan 7 if I want. > Date:
Sat, 12 Apr
2008 13:42:02 +0100> From: ccieaz@googlemail.com> To:
ccielab@groupstudy.com>
Subject: Lab Diagrams> > Hi all,> > This maybe a pretty stupid
question, but
here goes.> > I am just starting some of the practice labs now and I
heard
some> people draw a Layer2 diagram as well as the others. I don't
understand>
how/why this L2 diagram would help.> > My question is the L2 diagram
just
composes the switches and links> between them right? Whats the
benefit behind
this? Maybe its just me,> but the L2 side of things just seems easy
to me.> >
Has anyone got any example diagrams that they draw before a
practice> lab that
i could take a look at?> > Thanks> > Az> > > Pass the CCIE in six
weeks,
Guaranteed!> http://www.certscience.com/CCIE>
This archive was generated by hypermail 2.1.4 : Thu May 01 2008 - 08:25:50 ART