GNS3 v1.2.3 VPCS not working on OSX

Today, I was testing some stuff, and instead of using another router disabled routing which would eat up some resources on my laptop. I thought of using VPCS which came in with GNS3. Since VPCS takes up very little memory, and all I want is to have hosts that can receive IP addresses, can ping, etc. It seems like VPCS is the best choice, for my laptop which is MBA mid 2012.

When I dropped a VPCS on my GNS3 canvas, I got an error message stating This node isn’t initialized. vpcs_based_config.txt could not be found. I checked the location of the supposed to be config of VPCS. I found no .txt in the folder.

I opened the GNS3 > Preference > VPCS > Path to VPCS base script file and pasted this location.


At this point, I got the VPCS working. I am able to console to the VPCS 🙂

Figure 1 VPCS console options

Figure 1
VPCS console options

About networkshinobi

My name is Karlo, I work as a Network Engineer. A little about myself. I started as a PC gamer back when I was in high school. PC gaming became my addiction and pushed me to learn more about computers. Slowly got my some certifications and landed an IT Tier 1 Helpdesk job. This job opened the door for me to work to push further on my certifications and going deeper into the IT world. My goal was to get my Cisco CCIE Routing and Switching, but my journey for CCIE has changed due to I always ended up working on non-Cisco network appliances. Therefore, I have to pivot and decided to jump to the dark side and go with Juniper. Hopefully, I would get my JNCIE in the near future. All the entries/post I made are based on my views, opinion and for educational purposes only. If you see some mistakes, feel free to drop some comments. I would appreciate all the helpful comments. Thanks
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