Issues

• [Bug]:

  GNS3/gns3-server#2879 · Filter by author froxlorBear opened on Sep 25, 2026
  2

• Feature: Group nodes into "zones" to work on one part of a big topology

  GNS3/gns3-server#2843 · Filter by author yueguobin opened on Aug 1, 2026

• Linux bridge Ethernet switch: known pitfalls with Docker, firewalld, and bridge-nf-call-iptables

  GNS3/gns3-server#2832 · Filter by author yueguobin opened on Jul 25, 2026

• Changing hda_disk_image on a linked-clone QEMU node is accepted but not reflected in the response (and the swap is data-unsafe)

  GNS3/gns3-server#2824 · Filter by author yueguobin opened on Jul 19, 2026

• QEMU VM warning: 'mtools' are not installed

  Bug
  GNS3/gns3-server#2778 · Filter by author yueguobin opened on Jun 9, 2026
  1

• Performance: Deleting projects is slow when handling large numbers

  Enhancement
  GNS3/gns3-server#2753 · Filter by author yueguobin opened on May 27, 2026

• Allow suspending links between switches / hub

  Enhancement
  GNS3/gns3-server#2727 · Filter by author grossmj opened on May 9, 2026

• CVE-2026-44405 (Low) detected in paramiko-4.0.0-py3-none-any.whl

  Mend: dependency security vulnerability
  GNS3/gns3-server#2725 · Filter by author mend-for-github-com opened on May 9, 2026
  4

• [BUG] When restoring a snapshot the gns3 exits the project

  Bug
  GNS3/gns3-server#2649 · Filter by author ChenFryd opened on Mar 27, 2026

• Convert GNS3 VM to GNS3 Template

  GNS3/gns3-server#2578 · Filter by author sjohnd opened on Nov 25, 2025

• Telnet console repeats lines!

  Bug
  GNS3/gns3-server#2577 · Filter by author ialvata opened on Nov 22, 2025

• GNS3 Support for systemd-enabled (Podman?) containers

  GNS3/gns3-server#2565 · Filter by author ialvata opened on Oct 13, 2025
  2

• Ask about the API of download image files in gns3 v3 version

  Question
  GNS3/gns3-server#2558 · Filter by author yaolin1998 opened on Sep 2, 2025
  1

• Tap connected to powered-off, closed lab, remains in use

  GNS3/gns3-server#2549 · Filter by author Fiveby21 opened on Aug 22, 2025

• Feature Request - GNS 3.0 Export Projects compatible with version 2.0

  Enhancement
  GNS3/gns3-server#2545 · Filter by author h4xor1701 opened on Jul 13, 2025

• [GNS3 3.0.3] Fix for directory name issue in project folder not applied in version 3.0.3

  GNS3/gns3-server#2496 · Filter by author celluloce opened on Feb 6, 2025

• GNS3 version 3 ESXI - LDAP / Active Directory / SSO Integration

  Question
  GNS3/gns3-server#2932 · Filter by author K-razy opened on Jan 17, 2025
  1

• Refactor gns3-server distribution and deployment workflow

  GNS3/gns3-server#2476 · Filter by author it9exm opened on Jan 6, 2025
  2

• File transfer to QEMU

  GNS3/gns3-server#2407 · Filter by author z5241248 opened on Jul 26, 2024
  5

• Add support for QEMU rocker virtual switch device

  GNS3/gns3-server#2341 · Filter by author matsievskiysv opened on Jan 25, 2024
  1

• Token authentication with websocket endpoints

  GNS3/gns3-server#2263 · Filter by author grossmj opened on Aug 5, 2023

• gns3 cluster at esxi bottleneck

  GNS3/gns3-server#2250 · Filter by author Sardaukai opened on Jun 27, 2023
  2

• [BUG] IP's addressed via "Cloud" are unreachable from the local host providing the interface for the bridge

  GNS3/gns3-server#2216 · Filter by author eantowne opened on Apr 13, 2023
  8

• Helping API users

  GNS3/gns3-server#2215 · Filter by author spikefishjohn opened on Apr 6, 2023

• Support for WebSocket Console

  Enhancement
  GNS3/gns3-server#2199 · Filter by author wangziyao318 opened on Mar 14, 2023