From: Dino Picinich (dino.picinich@gmail.com)
Date: Sat Aug 18 2007 - 15:47:22 ART
Definitely interested
On 8/18/07, Brian Dennis <bdennis@internetworkexpert.com> wrote:
>
> It can easily support that. The new Mac Mini's have a dual core Intel CPU
> for only about $600. The memory upgrade to 2 gig is about $150 (3rd
> party). The fact that Mac OS X is basically BSD underneath (same "base"
> OS as Juniper - http://en.wikipedia.org/wiki/FreeBSD#Derivatives) it makes
> Mac OS X a powerful platform for dynamips. Another benefit of using the
> Mac Mini is that it's very compact and extremely quiet.
>
> If we can get enough interest here I'll write up a detailed "how to".
>
> 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: Re: [FWD: RE: IE Workbook Lab Topologies]
> Date: Sat, August 18, 2007 6:34
> From: "ISolveSystems" <support@isolvesystems.com>
>
> > 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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