From: Greg Wendel (gwendel@gmail.com)
Date: Fri Aug 17 2007 - 21:53:12 ART
Scott,
I found 2 4 port nic cards on ebay for 30 bucks including shipping. They
work great on my dynamips server. Arin Richmond (recent CCIE) from
Australia gave me the dynagen net files to use them with my 4 3750 switches
as well as the motivation.
Good luck.
On 8/17/07, Scott Vermillion <scott_ccie_list@it-ag.com> wrote:
>
> Somehow dropped the group off that one...
>
> -------- Original Message --------
> Subject: RE: IE Workbook Lab Topologies
> From: Scott Vermillion <scott_ccie_list@it-ag.com>
> Date: Fri, August 17, 2007 4:43 pm
> To: Julian Rodriguez <jumaroyu@gmail.com>
>
> Hi Julian,
> That's an interesting thought! I don't yet own any of these
> workbooks, so may I ask what the worst-case is in terms of NIC ports
> I'd need? I did look at quad NICs about a month back but I was
> looking at pricing for new hardware -- it was quite expensive. I'm a
> mistrustful person by nature, I guess, as I've never bought anything
> on e-bay in my life and don't expect that I probably ever will. But
> I know there are some reputable vendors out there who deal in
> used/refurbished equipment, so this may be a good option to consider.
> Regards,
>
> Scott
>
> -------- Original Message --------
> Subject: Re: IE Workbook Lab Topologies
> From: "Julian Rodriguez" <jumaroyu@gmail.com>
> Date: Fri, August 17, 2007 4:37 pm
> To: "Scott Vermillion" <scott_ccie_list@it-ag.com>
>
> Scott, With such a server, and enough NICs (say like maybe 2 for
> each router instance) you will be able to run any IE lab, there
> are cheap quad port NICs on ebay, you just have to configure
> router instances to use real ports on dynamips. Serial/ATM/FR are
> all simulated on dynamips, so you'll be safe on that side. Julian
>
> On 8/17/07, Scott Vermillion <scott_ccie_list@it-ag.com> wrote:
>
> That's an interesting perspective Jay. I was worried about
> perhaps
> missing the whole point of certain labs because I couldn't
> see what I was
> supposed to be seeing, but certainly what you say seems to
> make perfectly
> good sense... Thanks much!
>
> -------- Original Message --------
> Subject: RE: IE Workbook Lab Topologies
> From: "Swan, Jay" < jswan@sugf.com>
> Date: Fri, August 17, 2007 3:26 pm
> To: <scott_ccie_list@it-ag.com>, < ccielab@groupstudy.com>
>
> My opinion: you'll learn a lot by trying to adapt workbook
> labs to
> whatever resources you have, whether those resources are real
> routers
> or
> Dynamips. Yes, it takes up some extra time, but it's still
> valuable
> experience.
>
> During my final preparation phase I had access to a lab with
> a few
> routers, two 3550s, and a 3560; and Dynamips on a Dell D620
> with 2GB
> RAM. I was never able to completely duplicate any of the
> commercial
> labs
> with this equipment, but I was able to modify the labs to
> meet my
> study
> goals and pass the exam. In some ways, I think the experience
> of
> modifying the labs as needed was more educational than doing
> them as
> wr itten.
>
> Jay (#17783)
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf
> Of
> scott_ccie_list@it-ag.com
> Sent: Friday, August 17, 2007 3:34 PM
> To: ccielab@groupstudy.com
> Subject: IE Workbook Lab Topologies
>
> Hi all,
>
> I admit that this is a cross-post from the Professional
> board, but I
> didn't yet have myself subscribed to this list, so I hope you
> will
> overlook it just this once (my guess is that there are many
> here who
> never look there, so chances are probably a bit higher
> someone will
> have
> some thoughts to offer)...
>
> ____
>
> OK all, I know that many here use these workbooks, so I'm
> hoping for
> some insight. I had planned to use a large 8 x CPU server to
> run all
> router instances in Dynamips. I had then thought to buy two
> or
> perhaps
> four 3560-8 switches. However, when I look at the drawing on
> page 18
> of:
>
> http://w
> ww.internetworkexpert.com/downloads/iewb-rs.v4.00.sample.lab.pdf
> (1 MB file, BTW)
>
> I see that, for example, SW2 has connections to four
> different
> distinct
> routers. I had planned to have one GBIC connection to the
> server per
> switch (four NICs on the server). Not sure, exactly, how to
> work this
> out without doing too much customization of each lab, which
> could be
> confusing and chew up a lot of valuable time. The one obvious
> thing I
> can think to do would be to create an emulated switch for
> each
> physical
> switch. Then all routers would terminate to emulated switches
> only,
> per
> the lab topology. I would then bridge the emulated switches
> to
> physical
> server NICs using the Windows loopback and run 802.1q trunks
> to with
> the
> physical switches.
>
> For those of you who have experience with the IEWBs, do you
> think
> this
> feasible? Or too much trouble to keep straight, since it
> wouldn't map
> exactly to the lab topology.
>
> And yes, I realize that those 8-port switches would not fully
> support
> what I'm seeing on page 18. My thought was that rather than
> three
> links
> between each switch, I'd dro p it down to two in some or all
> places.
> Thoughts on the impact of that approach?
>
> Thanks much...
> ____
>
> The bottom line is that I can't afford four 24-port 3550s or
> 3560s
> (self-employed, slow year). So I'm just trying to work out
> some form
> of
> lab prep that is not horribly expensive yet is still
> effective. That
> server sitting there doing nothing is just too great a
> temptation; I
> cannot justify bying a bunch of used or new routers with that
> resource
> available to me. Just need to work out the switching part and
> I'm not
> too keen on rack rentals. Seems like you need to book too far
> out and
> availability can be very spotty. I'm certainly open to the
> idea of
> mock
> labs, just don't want to rely on rentals for study, which I
> do at
> very
> odd hours at times...
>
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> CCNA, CCSP, CNA 6, CCA, HP MASE
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-- Gregory Wendel Springfield VA, 22153
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