From: ISolveSystems (support@isolvesystems.com)
Date: Sat Aug 18 2007 - 10:34:18 ART
Hi Brian,
Can a Mac mini be able to boot all 6 routers, 4 switches, and 3 BB?
Thanks.
On 8/17/07, Brian Dennis <bdennis@internetworkexpert.com> wrote:
>
> You can just get a USB hub and a bunch of USB to Ethernet adapters. USB
> to Ethernet adapters are usually really cheap. One of my Mac OS X servers
> has about 10 USB to Ethernet adapters used for various processes
> (dynamips, vmware, parallels, etc).
>
> A Mac Mini with 2 gigs of RAM would make a really nice dynamips server.
> Add in a few USB to Ethernet adapters and you'll be all set to connect to
> your switches. Also the performance of dynamips on Mac is far better than
> Windows ;-) You can boot a 3640 running 12.3T enterprise (compressed
> image) in under 20 seconds on a dual core Mac.
>
> Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP)
> bdennis@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Direct: 775-745-6404 (Outside the US and Canada)
>
>
> >----- Original Message -----
> Subject: [FWD: RE: IE Workbook Lab Topologies]
> Date: Fri, August 17, 2007 16:55
> From: "Scott Vermillion" <scott_ccie_list@it-ag.com>
>
> > 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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> >
> >
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> >
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