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 <aar...@gvtc.com> wrote: > Oh, forgot the links… > > > > http://www.eve-ng.net/ > > > > http://www.eve-ng.net/documentation/howto-s > > > > > > > > > > *From:* NANOG [mailto:nanog-boun...@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-boun...@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 <beec...@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 < > rkreme...@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 > >