Re: Virtual CCIE's? - 3550/3560

From: Colin McNamara (colin@2cups.com)
Date: Wed Aug 22 2007 - 21:24:25 ART


People do it with Cisco Secure ACS images all the time in VMware.
--Colin

On Wed, 2007-08-22 at 15:48 -0400, kelly@cliffhanger.com wrote:
> That's nice.
>
> I don't know if anyone has done it but, I plan to
> test connectivity between a dynamips router and a
> host running under VMWare or Parallels.
>
> I'd be interested in hearing you're experiences if
> you've attempted this.
>
> --
> ___
> /\ \
> / \ \
> / \ \
> / /\ \ \
> / / \ \ \
> / / / \ \ \
> / / /___\__\ \
> / / /___________\
> \/_______________/
>
> Impossible Triangle
> M. C. Escher
>
> Big riffs, massive grooves, and expansive improvisations
>
>
>
>
> Quoting Colin McNamara <colin@2cups.com>:
> I don't know if anyone has seen the press-releases but Cisco is
> developing a virtual switch for VMware. There are no hard stats on
> features yet, but what has been released hints to at minimum layer 3
> switching in the virtual switch being made for ESX. I would guess that
> if you fast forward to next year, many peoples labs will consist of
> Dynamips (probably running on a vmware image) integrated with these
> virtual switches.
>
> --
> Colin McNamara
> (858)208-8105
> CCIE #18233
> "The difficult we do immediately, the impossible just takes a little
> longer"
>
>
> On Tue, 2007-08-21 at 19:42 +0100, Gary Duncanson wrote:
> > Makes sense.
> >
> > Thanks David.
> >
> > Gary
> > ----- Original Message -----
> > From: "David Prall" <dcp@dcptech.com>
> > To: "'Scott Vermillion'" <scott_ccie_list@it-ag.com>;
> > <ccielab@groupstudy.com>
> > Sent: Tuesday, August 21, 2007 5:58 PM
> > Subject: RE: Virtual CCIE's? - 3550/3560
> >
> >
> > > SIMICS is hardware emulation. It actually emulates the processors and
> > > asics.
> > > Putting together a switch would be rather difficult unless you worked for
> > > Cisco since the ASIC's are proprietary and the processor to asic linkage
> > > is
> > > part of the design. Also a license for Simics is rather expensive.
> > > Packages
> > > like this are typically used in the design phase, since an ASIC can be
> > > simulated rather easily, where as having it produced for debugging
> > > purposes
> > > can take months. So the software emulation of hardware is well worthwhile
> > > during the design phase.
> > >
> > > --
> > > http://dcp.dcptech.com
> > >
> > >
> > >> -----Original Message-----
> > >> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> > >> Behalf Of Scott Vermillion
> > >> Sent: Tuesday, August 21, 2007 12:28 PM
> > >> To: ccielab@groupstudy.com
> > >> Subject: RE: Virtual CCIE's? - 3550/3560
> > >>
> > >> The good news is that they appear to offer an "academic" license for
> > >> individual use (approval time ~1 week). The bad news is that when I
> > >> google "virtutech cisco switch," I come up with precious
> > >> little. Here is
> > >> a link to a presentation where Cisco is mentioned in passing:
> > >>
> > >> http://www.deserec.eu/files/first_workshop/pdf/DESEREC_IABG_Si
> > >> mics_Workshop_2006.pdf
> > >>
> > >> It may indeed be possible to emulate a Cisco switch, but it
> > >> appears as if
> > >> there exists no "Dynagen equivalent" for we mere mortals. And no real
> > >> history to indicate CPU/memory requirements (could you
> > >> emulate one switch
> > >> with a given hardware configuration or could you emulate
> > >> 12?). Certainly
> > >> there doesn't appear to be any "body of knowledge" out there.
> > >> Also, not
> > >> sure how to take it, but that presentation makes mention of only being
> > >> able to bridge "TCP and UDP" from the simulated environment
> > >> to a physical
> > >> NIC (so no control plane traffic directly over IP? etc?). Thus, I'll
> > >> keep my ear to the ground on this one, but I still plan to
> > >> spend the next
> > >> several months tackling the CCIE R&S lab vs. being one of the first to
> > >> figure SIMICS and Cisco switches out...
> > >>
> > >> -------- Original Message --------
> > >> Subject: RE: Virtual CCIE's? - 3550/3560
> > >> From: "Lamine BOUAFIA" <b_lamine@yahoo.fr>
> > >> Date: Tue, August 21, 2007 6:48 am
> > >> To: <ccielab@groupstudy.com>
> > >>
> > >> Anyone who know mode about
> > >> http://www.virtutech.com/products/ and how
> > >> to
> > >> simulate Cisco 3550/3560??
> > >>
> > >> Regards,
> > >>
> > >> -----Message d'origine-----
> > >> De : nobody@groupstudy.com [mailto:nobody@groupstudy.com] De la part
> > >> de
> > >> Brian Dennis
> > >> Envoyi : mardi 21 ao{t 2007 06:42
> > >> @ : Scott Vermillion; Cisco certification
> > >> Objet : [Bulk] RE: Virtual CCIE's?
> > >>
> > >> When teaching a class at Cisco recently one of the students
> > >> said that
> > >> the
> > >> 3550 or 3560 can be "virtualized" using software from this company:
> > >>
> > >> http://www.virtutech.com/products/
> > >> https://www.simics.net/
> > >>
> > >> Personally I never looked into it but someone here may be familiar
> > >> with
> > >> the software and it's capabilities.
> > >>
> > >> 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: Virtual CCIE's?
> > >> Date: Mon, August 20, 2007 21:30
> > >> From: "Scott Vermillion" <scott_ccie_list@it-ag.com>
> > >>
> > >> > Unfortunately, the more recent posts I've seen from him would
> > >> indicated
> > >> > that, due largely to ASICs that cannot easily be
> > >> reverse-engineered, a
> > >> > switch equivalent or extension is all but dead as a concept. This
> > >> is why
> > >> > I chose to go ahead and purchase some 3560-8PCs and just
> > >> move on...
> > >> >
> > >> > -------- Original Message --------
> > >> > Subject: Re: Virtual CCIE's?
> > >> > From: "darth router" <darklordrouter@gmail.com>
> > >> > Date: Mon, August 20, 2007 9:18 pm
> > >> > To: ISolveSystems <support@isolvesystems.com>
> > >> > Cc: "Scott Vermillion" <scott_ccie_list@it-ag.com>, "Cisco
> > >> > certification" <ccielab@groupstudy.com>
> > >> >
> > >> > That depends on the devs, and if they can continue to support
> > >> future
> > >> > platforms, whether it is possible or feasible. No switches yet,
> > >> maybe
> > >> > never, but who knows, chris has some posts where he wanted access
> > >> to
> > >> > 6500 switches. Might be workin on it :P I hope so. Here
> > >> is the site
> > >> > with the history.
> > >> >
> > >> > http://www.ipflow.utc.fr/index.php/Cisco_7200_Simulator
> > >> >
> > >> > On 8/21/07, ISolveSystems <support@isolvesystems.com> wrote:
> > >> >
> > >> > You said that Dynamips is in its infancy. I am curious to know
> > >> > how old is
> > >> > Dynamips? How do you see the continuing development of Dynamips
> > >> > to support
> > >> > future IOS development?
> > >> >
> > >> > Regards,
> > >> >
> > >> > On 8/20/07, Scott Vermillion < scott_ccie_list@it-ag.com> wrote:
> > >> > >
> > >> > > Gregory,
> > >> > >
> > >> > > Were a person to acquire the CCIE cert w/ nothing more than
> > >> > time on
> > >> > > Dynamips, that person may indeed face a few embarrassing
> > >> > moments
> > >> > > early on. So it should be outlawed and shunned by the
> > >> > CCIE-seeking
> > >> > > community at large? I'd wager that 90% or better using
> > >> > Dynamips for
> > >> > > CCIE study have sufficient experience w/ real HW to know
> > >> > which side
> > >> > > the power switch is on.
> > >> > &amp; gt;
> > >> > > Do you think you'll normally have physical access to all of
> > >> > the
> > >> > > routers on which you are expected to perform your work? If
> > >> > you
> > >> > > require that to do your job, are you effective?
> > >> > >
> > >> > > Recall that this is real IOS -- not some training
> > >> > simulator. So the
> > >> > > chassis, the power supply, the interface cards, etc. are
> > >> > lacking in
> > >> > > your CCIE lab, where you are intensely focused on subtle
> > >> > protocol
> > >> > > interplay. So? Can you even touch the HW during the CCIE
> > >> > practical
> > >> > > exam?
> > >> > >
> > >> > > I have posted this as recently as a few hours ago on the
> > >> > professional
> > >> > > board:
> > >> > >
> > >> > > "I have now been dealing with Dynamips since (roughly) Dec of
> > >> > last
> > >> > > year. I generally trust it (yes, bugs now and then and even
> > >> > the
> > >> > > occasional crash, but can IOS itself claim otherwise?) and
> > >> > actually
> > >> > > prefer it over real hardware for a couple of reasons:
> > >> > >
> > >> > > 1. Recabling a HW lab takes longer than launching a new .net
> > >> > file. I
> > >> > > keep every .net file I've ever created, along with all of the
> > >> > router
> > >> > > NVRAM files, etc. Modifying one lab for another purpose gets
> > >> > easier
> > >> > > and easier as your collection grows. Take good notes on why
> > >> > you
> > >> > > created a given environment and your results. This becomes a
> > >> > highly
> > >> > > valuable reference resource when you've grown a little fuzzy
> > >> > on some
> > >> > > details of a prior battle.
> > >> > >
> > >> > > 2. The capture function of Dynagen is killer. Definitely
> > >> > beats debug
> > >> > > output when you're really trying to understand what's going
> > >> > on under
> > >> > > the hood. If you're proficient w/ Wireshark or any other PA
> > >> > that can
> > >> > > open a .cap file, this is a "ki ller app" for sur e."
> > >> > >
> > >> > > Dynamips is nothing short of revolutionary for understanding,
> > >> > > troubleshooting, prototyping, and generally poking and
> > >> > prodding
> > >> > > network-related protocols. It has some limitations, yet in
> > >> > its
> > >> > > infancy. Know those and live with them. And then leverage a
> > >> > tool
> > >> > > that can only be bested by some seriously deep pockets...
> > >> > >
> > >> > > Regards,
> > >> > >
> > >> > > Scott
> > >> > >
> > >> > > -------- Original MessageGr --------
> > >> > > Subject: Virtual CCIE's?
> > >> > > From: "Gregory Gombas" < ggombas@gmail.com>
> > >> > > Date: Mon, August 20, 2007 6:19 pm
> > >> > > To: "Cisco certification" <ccielab@groupstudy.com>
> > >> > >
> > >> > > Guys,
> > >> > >
> > >> > > I was checking out Dynamips and its pretty cool and all,
> > >> > but it
> > >> > > does
> > >> > > worry me a little bit....
> > >> > >
> > >> > > How will employers view the CCIE certification after
> > >> > they've been
> > >> > > burned by hiring a CCIE who has never touched a real router
> > >> > in
> > >> > > their
> > >> > > life?
> > >> > >
> > >> > > Do you like the idea of a pilot flying your plane whose
> > >> > only
> > >> > > training
> > >> > > was with a virtual flight simulator?
> > >> > >
> > >> > > ; I remember the days when the MCSE was a hot cert until an
> > >> > army of
> > >> > > paper CCIE's hit the job market.
> > >> > >
> > >> > > Maybe they won't call it a paper CCIE, maybe they'll coin a
> > >> > new
> > >> > > term
> > >> > > like virtual CCIE.
> > >> > >
> > >> > > Just food for thought...
> > >> > >
> > >> > >
> > >> > >
> > >> >
> > >>
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