100+ Routers in GNS3

Hi folks,

After my youtube video with 40 routers I read some posts on Twitter from @Centronix , @Addizins and @mss7082 about someone who did 45 routers on a Windows machine.

I got curious about what the actual limit would be of the numbers of routers you can run on a single machine. If you add a lot of routers GNS3 becomes very unresponsive when you click and drag new routers to the screen. So far I got 107 routers and the system is running without any problems. I made a video to show you:

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Written by René Molenaar - CCIE #41726

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About the Author: Rene Molenaar

René - CCIE #41726 is the creator of GNS3Vault.com where he shares CCNA, CCNP and CCIE R&S labs. He also blogs about networking on http://networklessons.com

3 Comments

  1. It’s my new computer i bought a few weeks ago. An Intel i7 950 3ghz with 12gb of memory.

    Only 4GB is used so that’s not the issue, it’s cpu power that’s needed…for a couple hundred dollars/euros this is what you get…no NASA hardware needed ;D

  2. This test is synthetic.These routers don’t do enything, that is reason, why he could run 100 routers. We can run only 10-12 routers on core i5 with 4Gb RAM with dynamic routing such as BGP.

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