Re: Viability of GNS3 network simulation for testing features/configurations.

[Jason Kuehl <jason.w.kuehl () gmail com>]

I use the server version of GNS and I love it.  I just need to VPN into my
DC and use my client to connect to GNS.

On Wed, Oct 16, 2019 at 2:22 PM Mike Bolitho <mikebolitho () gmail com> wrote:

> EVE-NG is also really good. Just an FYI, GNS3 went through a major refresh
> about 18 months ago or so and it's so much better now. Either way, you
> can't go wrong with GNS3 or EVE-NG.
>
> - Mike Bolitho
>
>
> On Wed, Oct 16, 2019 at 11:18 AM Aaron Gould <aaron1 () gvtc com> wrote:
>
> > Oh, forgot the links…
> >
> >
> >
> > http://www.eve-ng.net/
> >
> >
> >
> > http://www.eve-ng.net/documentation/howto-s
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > *From:* NANOG [mailto:nanog-bounces () nanog org] *On Behalf Of *Aaron Gould
> > *Sent:* Wednesday, October 16, 2019 1:14 PM
> > *To:* 'Mike Bolitho'; 'Tom Beecher'; 'Ryland Kremeier'
> > *Cc:* nanog () nanog org
> > *Subject:* RE: Viability of GNS3 network simulation for testing
> > features/configurations.
> >
> >
> >
> > I’ve used GNS3 some years ago for a lot of simulation and testing.  But,
> > I’m blown away at how much more I like EVE-NG (emulated virtual environment
> > next-gen)
> >
> >
> >
> > I use the community free version… lots of vendor OS support… of which,
> > I’ve actually work with the following….
> >
> > -        XRv
> >
> > -        IOS virtual
> >
> > -        vMX
> >
> > -        vSRX
> >
> > -        vQFX
> >
> >
> >
> > …check your in-box for a screen shot of my current environment.
> >
> >
> >
> > -Aaron
> >
> >
> >
> > *From:* NANOG [mailto:nanog-bounces () nanog org] *On Behalf Of *Mike
> > Bolitho
> > *Sent:* Wednesday, October 16, 2019 12:02 PM
> > *To:* Tom Beecher
> > *Cc:* <nanog () nanog org>
> > *Subject:* Re: Viability of GNS3 network simulation for testing
> > features/configurations.
> >
> >
> >
> > Totally agree with Tom here. It's going to work really well for most
> > things. But if you're testing code for bugs you NEED to do it on the same
> > hardware you have in your environment in an actual lab.
> >
> >
> > - Mike Bolitho
> >
> >
> >
> >
> >
> > On Wed, Oct 16, 2019 at 9:56 AM Tom Beecher <beecher () beecher cc> wrote:
> >
> > GNS3 can do a heck of a lot, and the price is definitely right.
> >
> >
> >
> > I have used it extensively for initial fleshing out of designs or ideas,
> > protocol nerding, automation interaction testing, etc. There certainly
> > other tools out there, but being able to visually draw a topology out,
> > connect the dots, and have an environment to test in about 10 minutes is
> > very nice. There is an API you can hook into to do some of that for you if
> > you are so inclined, but that would depend on your use case and resources.
> > For how I've used it, never been required.
> >
> >
> >
> > Some of the VMs from vendors can be pretty CPU and/or RAM intensive, so
> > I've had the best experience running them all on a dedicated server, not
> > locally. Again, use case dependent. For code testing I would always run the
> > test set on hardware as well for likely obvious reasons.
> >
> >
> >
> > If you really get into the weeds with it you can do quite a lot.
> >
> >
> >
> > On Wed, Oct 16, 2019 at 11:52 AM Ryland Kremeier <
> > rkremeier () barryelectric com> wrote:
> >
> > Hello,
> >
> >
> >
> > I’m currently in the process of setting up a near identical network to
> > our own in GNS3 for testing purposes. Has anyone here tried this before to
> > any success? We need to buy the Cisco IOSv image to continue with the sim
> > so I figured I would inquire here first before diving in.
> >
> >
> >
> > All info is appreciated,
> >
> > --
> >
> > Ryland Kremeier

-- 
Sincerely,

Jason W Kuehl
Cell 920-419-8983
jason.w.kuehl () gmail com