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[music]

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Okay, so now we're
done with Prepare. Now we're

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moving into Plan, so here's
the definition of Plan. The

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items here in red are the
ones that we're going to

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focus on here. So based on
your goals and your

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facilities in which case
your facility is your house

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or your home-based office or
wherever you're planning on

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putting this Lab. And what's
the operational environment

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that can support this
proposed system. So let's go

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into each one of these in
more detail and break these

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out. Let's start out with
Goals. So as it mentions

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here, for each protocol that
you selected in the Prepare

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stage like Frame Relay, like
Multiple Spanning Tree, for

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each of those protocols like
Private VLANs, right here in

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the Plan stage you're going
to want to draw a diagram

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just on a piece of paper or
something, showing the

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minimum quantity of
interfaces and the minimum

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quantity of chassis that
you'll need to play with

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that protocol. Here is an
example. Let's say that you

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say to yourself, Okay, for
the CCNA and the CCNP

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they're still testing me on
frame relay. So I would like

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to include frame relay as
part of my home base lab.

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Okay, so you think to
yourself, what's the minimum

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quantity of interfaces and
what's the minimum quantity

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of chassis I could get away
with and still practice

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frame relay? And here is
three ideas. Topology number

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1, you could actually have
two routers connected back

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to back and do frame relay.
So technically speaking that

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is the minimum you could get
away with to do frame relay.

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Take it up a notch to
topology number 2, put a

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frame relay switch in the
middle. Now, certainly

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you're not going to buy like
a real frame relay switch.

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What I'm talking about here
that device in the middle is

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another Cisco router, so
we're talking now about

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three routers, but the
router in the middle is

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configured via IOS to act
like a Cisco switch. So

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we've increased our chassis
requirement a little bit

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here. Or Topology #3. Have a
total of four devices.

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You've got your three
routers on the edge, and

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then you got your router in
the middle, serving as the

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Frame Relay Switch. Now any
one of these three

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topologies here will support
Frame Relay. Personally, I

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recommend the third
topology. Now it's going to

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cost you a little bit more
money, because obviously

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you've got a total of four
devices here as opposed to

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two on the top. But one of
the things I want to

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emphasize is as you're
designing your lab, as

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you're coming up with what
you want, at the very top of

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the list, the things you
want to think about is:

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scalability, scalability,
scalability. You want to

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build a lab that you can
recable, and tweak, and come

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up with all kinds of
different topologies. Yeah,

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topology number 1 will
support frame relay, but

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it's not going to support a
whole lot else. You've only

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got two interfaces and two
routers. You don't have a

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lot of flexibility in what
else you can do with that

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topology. Look at topology
number 3 right there. Why is

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that so much better in my
reasoning? Well, a couple

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things - number one, by
having the router in the

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middle operating as a frame
relay switch, or basically

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by having three routers,
three routers is always

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better than two routers,
right? With 3 routers you

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can come up with more
complex routing topologies

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and stuff than you could
ever do with two routers.

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You're going to want to do--
that router in the middle is

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operating as a frame relay
switch. Once you're done

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with frame relay, you can
convert that back into just

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a regular Layer 3 router.
Now you've got four routers

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to play with, which will
give you the ability to do a

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lot more complex route
filtering, route

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summarization topologies,
now how are you going to do

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route filtering and route
summarization with topology

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number 1. You probably can,
but you're really limited.

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Topology number 2, yeah, now
you got three devices.

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What's some of the other
benefits of topology number

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three? For example, with the
frame relay switch there in

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the middle you could
practice things like well

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let's see here what if the
PVC from R1 to R2 becomes

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inactive or deleted? The
other PVC from R1 to R3 is

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still good. It's still
active. It's still usable

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PVC. You could play around
with that and see how's my

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routing protocol going to
react? How's it going to

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dynamically change when a
PVC going to one physical

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chassis now becomes
unusable, and the PVC going

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to another chassis is now
the preferred path? Can't

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really do that if you've
only got router 1 and router

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2. I'm sure if we thought
about it we could think of a

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lot of other benefits of
having topology number 3

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right here. That's just
frame relay. What if we're

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talking about switching?
Okay, Layer 2 switching -

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topology number 1, just one
switch. Yeah, you can

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practice things like VLANs.
If that's a multilayer

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switch you could configure
SVIs on there and practice

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routing between directly
connected SVIs, so there's

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some stuff you can do.
Topology number 2 is better,

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because now with two
switches you can practice

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things like EtherChannels.
Now you could practice

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Spanning-Tree VLAN load
balancing - can't do that

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with topology number 1. But
of course, I recommend

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topology number 3, because
with 3 switches you've got a

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lot more variability and
things like-- well, how

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about multiple Spanning-Tree?
One of the things that's

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really cool to play around with,
with MST, is how does

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my MST region
communicate with another

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switch that's not running
MST. How's an MST region

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talk to PVST switches or
just RSTP switches? Can't

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really do that if you've
just got two switches. With

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three switches you've got a
lot more variability, you

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can do a complex load
balancing with spanning

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tree, with just all sorts of
other things you can do. So

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once again, it's your
choice, you could probably

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get by with just policy
number two but you're going

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to have so much more
flexibility if you go with

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policy number three. So what
you're doing here in the

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plan stages for each
protocol that you listed,

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private VLANs, DHCP
snooping, BGP. You're

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drawing diagrams for
yourself and you're

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thinking, Okay, what is the
minimum topology I could

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draw? Could I do this
feature with just two

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devices? With just three
devices? What's the minimum

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I can create where I can
practice this thing? Because

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the end result is you're
trying to avoid buying

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unnecessary equipment. Why
purchase 6 routers if you

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can get away with 4? You're
not going to know that

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unless you draw these
pictures first. That's what

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you're trying to do in the
plan stage. Another thing

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about planning is
facilities. A lot of people

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don't really think about
this when they're developing

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a home-based lab. This is
equally important. Do you

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have the physical space to
house a rack or a stack of

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equipment on your desk? We
talked about this. Is your

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office totally cluttered?
Are you sharing your office

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with your wife, and with
your teenage son, and

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there's just no room in
there to put this stuff? Do

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you have enough power in
your room to support your

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proposed rack? Do you have
enough free electrical

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outlets? Do you have circuit
breakers that won't trip?

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I'm going to talk, in just a
second here, about that. How

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will you cool yourself and
the equipment? When you turn

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on these routers and
switches they generate a lot

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of heat. Their fan's pumping
out a lot of heat, which is

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great if this is the
wintertime, but in the

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summertime, when it's 95
degrees outside, you're

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going to be sweating like
crazy. How are you going to

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prevent yourself from having
to go down to a loincloth in

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your office because it's
just so hot in there as

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you're running these seven
or eight pieces of

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equipment? Will the noise be
a problem? Some of these

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routers and switches, when
you turn them on it sounds

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like an airplane engine
going off. They are so

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incredibly loud. Is that
going to be a problem? If

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you take a lot of conference
calls and stuff from your

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office, or like I said, if
your home office is shared

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with your wife or your son
who's on the phone a lot, or

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you spend a lot of time like
this, watching and listening

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to video chats or
conferences or stuff, is

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this going to be a problem,
the noise? Something else

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you have to think about.
Let's talk about the

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electrical for a second.
What I'm about to go into

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here, for those of you who
are homeowners or who have

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previously been homeowners,
you probably already know

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this stuff. But there's
probably those of you who

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are watching, who are just,
you know, who've never owned

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a home. Maybe your entire
life experience is living in

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an apartment. And you've
never had to deal with

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circuit breakers, or
electrical boxes. And this

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is something you just don't
really think about. So,

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every electrical outlet in
your home, leads back to a

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circuit breaker somewhere.
And typically, one circuit

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breaker will control
multiple wall outlets. A lot

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of times, a single circuit
breaker in your garage, or

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somewhere on your wall. That
one circuit breaker will

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control an entire room. Or
maybe 2 or 3 rooms. And what

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are those circuit breakers
there for? Why are they

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created? Well they're there
to prevent fires. They will

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automatically trip, they
will turn off, they will

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stop the power to all those
electrical outlets, if they

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determine there's too much
suction. If there's too much

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power trying to be drawn
from those electrical

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outlets. And that can happen
if I take one wall outlet.

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Just one, and I plug in like
a string of three power

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strips, and I plug nine
devices in there, three

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routers and six switches or
something. Yeah, that's

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probably going to draw so
much power from that one

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outlet it's going to trip my
circuit breaker. So that's

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one of our goals here, is
prevent that. How do we

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prevent that from happening?
So step number 1, if you

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can, ideally power your
devices from more than one

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circuit breaker. This can be
kind of hard to do, because

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in most peoples homes and
apartments, all the

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electrical outlets within a
single room usually feedback

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to a single circuit breaker.
But if you're one of the

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lucky people where that's
not the case, where the

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outlet on this wall and the
outlet on this wall lead to

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two different circuit
breakers, fantastic. Plug in

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a power strip that feeds
three of your routers

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powered by this one, another
three routers powered by

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this one, so try divide it
up. Or if your spouse

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doesn't mind, run a long
extension cable out of your

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office into the living room,
or into the bathroom, or

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something. But the idea is
to try to divvy up the load

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among more than a single
circuit breaker. You should

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know in advance how much
power is each one of your

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routers and switches going
to draw, and this is where

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you're going to need to dig
into the datasheets of that

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to find out. And then, and I
will not take credit for

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this. I actually got this
from this Tech Republic

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website right here. This is
a nifty formula that someone

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came up with that says based
on your circuit - at least

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in the United States. I
can't speak to people in

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other parts of the world,
but at least in the United

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States, most of our circuit
breakers in our house are

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20-amp circuits, and they
feed with 120 volts. So here

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in the U.S. if you follow
this formula, you can see

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right here it basically says
at the bottom, Okay, so for

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that single circuit breaker,
it will handle a maximum of

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1920 watts. Now you look at
your data sheets and you

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say, okay, well if I got 6
routers and 4 switches on

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this one circuit breaker,
will that exceed this? Also,

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keep in mind also that many
times in your house circuit

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breakers are powering other
things. It can be very

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irritating if you're running
your lab and all of a sudden

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somebody goes in the
kitchen, turns on the

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microwave, and boop, all the
lights go out, because now,

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that just exceeded your
wattage. This is also

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something people that
sometimes don't think about

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is not only do I have enough
power in these one, or two,

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or three outlets, but the
circuit breaker that's

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feeding those outlets, what
else is it powering? Is it

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powering my washing machine
and my dryer? Is it powering

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my microwave? You got to
think about these things as

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well. When you're done with
the planning stage, what's

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the end result of this? The
end result is, you've come

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up now with a variety of
drawings, a variety of

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network topologies that will
support your various

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features. You've got in
front of you 10, 12, 15

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pages of various router and
switch drawings that maybe

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you can collapse all into
one diagram. You can say,

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okay, based on all this,
I've now determined that

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with four routers and two
switches, I can do

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everything I need to do.
That's the end result of

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plan, is you've got one
final drawing topology

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diagram. So you've got a
thorough understanding of

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how many chassis you're
going to need, how many

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routers, how many switches,
how many interfaces you're

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going to need. You know, I'm
going to need a total of six

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fast Ethernet interfaces,
I'm going to need a total of

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four serial interfaces. You
should know that by the time

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you're done with this.
You're going to know how

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many extraneous devices you
need. We haven't really

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talked about that, but
you're probably going to

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want to also purchase things
like hubs and laptops. So

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you want to integrate a
server, a real server, into

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your rack, that's something
you'll have to think about.

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By the time you're done with
this, you'll know that. How

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many non-Cisco things am I
going to need to incorporate

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into this rack, hubs, PCs,
servers, cables, things like

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that? Lastly, by the time
you're done with the plan

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stage, you have confidence
that your facility, which is

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your home, will support the
electrical requirements of

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this rack that you planned
to build. That's the end

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result of the plan stage.
Let me just take a quick

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moment here to see what
questions there are before I

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continue on. So Carlo asked
if this was going to be

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uploaded to YouTube later
on? Excuse me. I don't know

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about that. For this
particular session, probably

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not. This session
will probably only be

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available on INE's
streaming.ine.com website. I

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don't think they plan on
making this as one of the

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free videos on YouTube. I
could be wrong about that,

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but I don't think so.
Someone's asking about the

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CCNP route workbook. That's
just going to be completed

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over time. My goal is, over
the next six to nine months

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I will continually add tasks
to that here and there. I've

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just added some OSPF tasks
to it, I plan on adding more

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OSPF. Over time I'll add BGP
and service level agreements

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and stuff like that. But,
it's an ongoing work in

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progress, so it's going to
be a few months before

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that's done. TSHOOT will
also be the same thing. I do

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plan on coming out with a
TSHOOT workbook, but just

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like the route workbook,
when that first comes out it

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will probably have somewhere
between three to five tasks

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where you troubleshoot a
typology and then it will

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build over time on top of
that. Someone was asking do

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we have a copy of the
virtual software available

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for the CCIE lab on INE's
website? No, we don't.

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That's not available on our
website. Yes, this will be

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available on demand.
Actually, I was told by our

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producer that it's probably
only going to be about a

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week, if that, before this
is available. I previously

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said like two to three
weeks, apparently he thinks

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he'll be able to get it out
much quicker than that, so

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there we go. Steve, you
asked a good question. What

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about end devices and
traffic in the network for

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00:16:43,069 --> 00:16:45,238
testing? Yeah, exactly, so
this is also one of the

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things you want to think
about during this plan stage

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is what kind of traffic do I
plan on creating to test

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this? For example, let's
think about routing

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protocols. If you want to
practice some complex route

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filtering and route
summarization you probably

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want to have a minimum of 10
or more networks being

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advertised from 1 router to
the other. Well, how do you

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get that to happen? Easiest
way is probably just to

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create a bunch of loopbacks.
Or to read a bunch of static

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routes and redistribute
them. What about actual data

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traffic? You know, Telnet
traffic, where you can

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always initiate the Telnet
from a router. But what if

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you want to have traffic
flowing through your home

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lab. Which is traffic that
routers themselves and

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switches can't really
create, like email traffic.

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Or, I don't know, web
browsing traffic, or

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something like that. Well,
if that's your desire, then

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you're going to have to
think about, Okay, then I'm

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probably going to have a
minimum of 2 end devices

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00:17:52,171 --> 00:17:54,640
connected to my Rack. So
maybe part of your budget

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00:17:54,640 --> 00:17:58,144
is, what's the cheapest
laptop I can find? You know,

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00:17:58,144 --> 00:18:00,479
can I find a-- or maybe not
even a laptop, right?

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There's a lot of desktop PCs
that people bought four/five

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00:18:04,684 --> 00:18:07,653
years ago that they're now
selling on eBay for probably

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00:18:07,653 --> 00:18:11,524
25 or 50 bucks. You don't
need a laptop to generate

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00:18:11,524 --> 00:18:14,660
e-mail traffic or whatever,
buy a real cheap desktop PC

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that's not even sold anymore
someone selling for like

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25 bucks, great usage of
something you can connect to

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your rack to generate
traffic. There's also tools

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00:18:25,471 --> 00:18:27,506
you can download for free, a
software where you can

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download, where you can
generate traffic for all

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00:18:30,076 --> 00:18:32,244
kinds of stuff. For example,
I don't know if I have it

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here on this laptop. Yes, I
do so I'll put it over here.

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So this here-- let me open
it up. I don't use it a lot,

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00:18:44,457 --> 00:18:47,760
but this is called the
Colasoft Packet Builder. I

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00:18:47,760 --> 00:18:50,429
got this for free, don't
have to pay anything. Let me

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00:18:50,429 --> 00:18:53,566
just move it over a little
bit, but this is an awesome

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00:18:53,566 --> 00:18:57,670
tool. You can use this to
build streams of traffic and

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you've got full control over
your streams of traffic. You

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00:19:00,339 --> 00:19:02,942
can generate-- you can tell
it how fast you want that

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00:19:02,942 --> 00:19:06,412
traffic to go and Bits per
second or Bytes per second.

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00:19:06,412 --> 00:19:09,882
You can tell it what type of
traffic do I want ARP's

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00:19:09,882 --> 00:19:13,219
DHCP. You can even get into
individual fields and tweak

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00:19:13,219 --> 00:19:16,489
like the hexadecimal of
individual fields, all for

340
00:19:16,489 --> 00:19:18,924
free. So this is a great
thing to install in your

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00:19:18,924 --> 00:19:21,460
laptop and now turn your
laptop into a traffic

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00:19:21,460 --> 00:19:24,697
generator, so going to want
to think about that as well,

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00:19:24,697 --> 00:19:27,466
yes. So do I need actual
physical devices? And if so,

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00:19:27,466 --> 00:19:30,936
how many of them which I'm
going to connect to my

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00:19:30,936 --> 00:19:34,073
network and pump traffic
through it? That's going

346
00:19:34,073 --> 00:19:35,608
to be something you're going
to want to come up with

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00:19:35,608 --> 00:19:38,144
at the end of this Plan
stage right here.

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[music]