GNS3 is used to emulate, configure, test and troubleshoot virtual and real networks.
Questions tagged [gns3]
9 questions
3
votes
0 answers
Could not start Telnet console with command 'xterm -T "R1" -e "telnet localhost 5001"': [Errno 2] Aucun fichier ou dossier de ce type: 'xterm'
This error was produced when trying to telnet on GNS3 on Linux Ubuntu Mint 20.04
Usually, the localhost assume machine IP with the port number link this: R1 telnet 192.168.1.10:5001
Currently, it is appearing as R1 telnet localhost:5001. When trying…
2
votes
1 answer
Router outputs "Bad IP address or host name" when trying to SSH from Linux terminal
I'm a total beginner in networking knowledge in general. Tried posting this in the Network Engineering Stack Exchange but they sent me here. My main goal is to be able to simulate a device so I can SSH into it from a Python application and get the…
Gabriel
- 69
1
vote
0 answers
GNS3 Custom Installation with Powershell
I'm using SCCM to deploy GNS3 to a lab and am running the installation silently. I need to modify some of the options that are available in the interactive GUI setup but cant seem to track down how to do this. I was able to accomplish a custom…
Tommy_Rac
- 11
0
votes
0 answers
GNS3 on Debian 12
I installed gns3 on debian 12
the problem is that when I try to run gns3 it seems that there are errors with python
root@debian:~# source gns3env/bin/activate
(gns3env) root@debian:~# gns3
Fatal Python error: Aborted
Current thread…
0
votes
2 answers
Permission denied when trying to SSH into CISCO virtual router
My main goal is to be able to simulate a device so I can SSH into it from a Python application and get the output of the commands. But first, I'm trying to manually SSH into the device from the terminal.
I'm using GNS3 to simulate the network and a…
Gabriel
- 69
0
votes
0 answers
Can't ping / access GNS3 PFSense virtual device but can ping GNS3 VM on same subnet
I have a basic GNS3 network that I’m trying to setup with PFSense. I have managed to install the PFSense module and can now add it as a device within GNS3.
However after adding, configuring and installing the PfSense device I can’t seem to reach…
SneakyShrike
- 197
0
votes
1 answer
How to install GNS3 on Debian12
I tried following the docs on their website under the Debian distro section but I get the following output.
https://docs.gns3.com/docs/getting-started/installation/linux
sudo apt update
sudo apt install -y python3-pip python3-pyqt5…
mrwahl
- 1
0
votes
1 answer
How to do redundancy in this topology (isp and firewall)
behind an ISP router, I did setup a firewall that includes (DHCP server, Squid, ClamAV, Light Squid, Snort, Port Forwarding, and OpenVPN), linked to an ethernet switch.
3 PCs, VoIP server(static address) are connected to that switch, I duplicated my…
Mr.Robot
- 53
- 2
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- 6
0
votes
0 answers
Device can ping, but not TFTP/GET from the server
I am trying to set up device with GNS3 by using my company cloud site, and I am blocked by tftp service.
First of all, here are 2 Cloud Instances I have generated on this cloud site. As listed in this chart, "Basement" and "US-237". Both instance…
user3595231
- 111