{"id":78443,"date":"2025-09-01T19:01:06","date_gmt":"2025-09-01T19:01:06","guid":{"rendered":"http:\/\/bangla.sitestree.com\/?p=78443"},"modified":"2025-09-01T19:01:07","modified_gmt":"2025-09-01T19:01:07","slug":"how-to-configure-virtualbox-adapters-for-your-gns3-vm-with-gns3-gui","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=78443","title":{"rendered":"How to configure VirtualBox adapters for your GNS3 VM with GNS3 GUI."},"content":{"rendered":"\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">How to configure VirtualBox adapters for your GNS3 VM with GNS3 GUI.<\/h1>\n\n\n\n<p><strong>Perfect! Here\u2019s a step-by-step guide to configure VirtualBox adapters for your GNS3 VM so everything communicates properly with your host and GNS3 GUI.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Step 1: Open VirtualBox Settings for GNS3 VM<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Launch VirtualBox.<\/strong><\/li>\n\n\n\n<li><strong>Select your GNS3 VM \u2192 click Settings \u2192 Network.<\/strong><\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Step 2: Configure Adapter 1 (Host-Only)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Purpose: Allows GNS3 GUI on your host to talk to the GNS3 VM.<\/strong><\/li>\n<\/ul>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Enable Adapter 1 \u2192 attach to Host-Only Adapter.<\/strong><\/li>\n\n\n\n<li><strong>Choose the default vboxnet0 (Windows) or whatever host-only adapter exists.<\/strong><\/li>\n\n\n\n<li><strong>Leave Promiscuous Mode as Deny.<\/strong><\/li>\n\n\n\n<li><strong>Adapter Type: Intel PRO\/1000 MT Desktop (default works).<\/strong><\/li>\n<\/ol>\n\n\n\n<p><strong>This is the key adapter \u2014 without it, GNS3 GUI cannot control VMs or routers.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Step 3: Configure Adapter 2 (NAT for Internet)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Purpose: Gives the GNS3 VM internet access (downloads, updates).<\/strong><\/li>\n<\/ul>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Enable Adapter 2 \u2192 attach to NAT.<\/strong><\/li>\n\n\n\n<li><strong>Leave default settings.<\/strong><\/li>\n<\/ol>\n\n\n\n<p><strong>Optional: You can also configure a third adapter as Bridged if you want your labs to access your physical network.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Step 4: Boot the GNS3 VM<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Start the VM.<\/strong><\/li>\n\n\n\n<li><strong>On the console, you should see messages like:<\/strong><\/li>\n<\/ol>\n\n\n\n<p><strong>GNS3 VM is running<\/strong><\/p>\n\n\n\n<p><strong>IP: 192.168.56.101<\/strong><\/p>\n\n\n\n<p><strong>This IP is your Host-Only network IP (vboxnet0).<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Step 5: Point GNS3 GUI to the VM<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Open GNS3 \u2192 Edit \u2192 Preferences \u2192 GNS3 VM.<\/strong><\/li>\n\n\n\n<li><strong>Tick Enable the GNS3 VM.<\/strong><\/li>\n\n\n\n<li><strong>Set Virtualization Platform = VirtualBox.<\/strong><\/li>\n\n\n\n<li><strong>Select your imported GNS3 VM.<\/strong><\/li>\n\n\n\n<li><strong>Click Test Settings \u2192 it should show Connection successful.<\/strong><\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Step 6: Verify in GNS3<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Drag a router or switch into a project and start it.<\/strong><\/li>\n\n\n\n<li><strong>It should run inside the GNS3 VM, not on your host.<\/strong><\/li>\n\n\n\n<li><strong>You can check CPU usage in VirtualBox \u2014 the VM will be active.<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u2705 Quick Tips<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Always start GNS3 VM before opening GNS3 GUI.<\/strong><\/li>\n\n\n\n<li><strong>Use Host-Only adapter for VM-GUI communication.<\/strong><\/li>\n\n\n\n<li><strong>Use NAT adapter for internet access in the VM.<\/strong><\/li>\n\n\n\n<li><strong>Don\u2019t manually install software inside the VM unless you know what it affects \u2014 GNS3 VM comes preconfigured.<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>If you want, I can make a small visual diagram showing Adapter 1 (Host-Only) and Adapter 2 (NAT) and how traffic flows so it\u2019s easier to remember.<\/strong><\/p>\n\n\n\n<p><strong>Do you want me to make that diagram?<\/strong><\/p>\n\n\n\n<p><strong>Ref: Internet\/AI Tools\/OpenAI\/ChatGPT and Similar<\/strong><\/p>\n\n\n\n<p>Copyright and plagiarism free version.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How to configure VirtualBox adapters for your GNS3 VM with GNS3 GUI. Perfect! Here\u2019s a step-by-step guide to configure VirtualBox adapters for your GNS3 VM so everything communicates properly with your host and GNS3 GUI. Step 1: Open VirtualBox Settings for GNS3 VM Step 2: Configure Adapter 1 (Host-Only) This is the key adapter \u2014 &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=78443\">Continue reading<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1978],"tags":[],"class_list":["post-78443","post","type-post","status-publish","format-standard","hentry","category-computer-networks","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":78621,"url":"http:\/\/bangla.sitestree.com\/?p=78621","url_meta":{"origin":78443,"position":0},"title":"Some Details on Network Adapter Settings for GNS VM in VirtualBox","author":"Author-Check- Article-or-Video","date":"November 26, 2025","format":false,"excerpt":"Here is a polished, blog-ready rewrite \u2014 copyright-free, plagiarism-free, and integrity-safe. How to Configure Network Adapters for the GNS3 VM in VirtualBox When running the GNS3 VM inside VirtualBox, proper network adapter configuration is essential. The GNS3 GUI on your host system relies on these adapters to communicate with the\u2026","rel":"","context":"In &quot;Computer Networks&quot;","block_context":{"text":"Computer Networks","link":"http:\/\/bangla.sitestree.com\/?cat=1978"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":78623,"url":"http:\/\/bangla.sitestree.com\/?p=78623","url_meta":{"origin":78443,"position":1},"title":"How to Configure VirtualBox Network Adapters for the GNS3 VM (with GNS3 GUI)","author":"Author-Check- Article-or-Video","date":"November 26, 2025","format":false,"excerpt":"Here is a polished, blog-ready version \u2014 fully rewritten, original, plagiarism-free, and safe for publishing. How to Configure VirtualBox Network Adapters for the GNS3 VM (with GNS3 GUI) Setting up the GNS3 VM correctly inside VirtualBox is essential if you want the GNS3 GUI on your computer to communicate smoothly\u2026","rel":"","context":"In &quot;Computer Networks&quot;","block_context":{"text":"Computer Networks","link":"http:\/\/bangla.sitestree.com\/?cat=1978"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":78627,"url":"http:\/\/bangla.sitestree.com\/?p=78627","url_meta":{"origin":78443,"position":2},"title":"How to Run the GNS3 VM Inside Oracle VirtualBox","author":"Author-Check- Article-or-Video","date":"November 26, 2025","format":false,"excerpt":"How to Run the GNS3 VM Inside Oracle VirtualBox Here is a clean, fully rewritten, plagiarism-free, blog-ready version that covers both the step-by-step tutorial and the architecture diagram explanation, merged into one smooth article. You can publish this as-is. How to Run the GNS3 VM Inside Oracle VirtualBox A Complete\u2026","rel":"","context":"In &quot;Computer Networks&quot;","block_context":{"text":"Computer Networks","link":"http:\/\/bangla.sitestree.com\/?cat=1978"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":78441,"url":"http:\/\/bangla.sitestree.com\/?p=78441","url_meta":{"origin":78443,"position":3},"title":"How to import GNS VM into VirtualBox","author":"Sayed","date":"September 1, 2025","format":false,"excerpt":"Perfect \ud83d\udc4d Here\u2019s a copyright-free infographic style summary of how to import GNS3 VM into VirtualBox \u2014 short, clean, and ready for FB\/blog use: (ChatGpt) Similar steps worked for me. \ud83d\ude80 Importing GNS3 VM into VirtualBox \u2013 Quick Guide \ud83d\udce5 1. Download Get the GNS3 VM (VirtualBox .ova file) from\u2026","rel":"","context":"In &quot;Computer Networks&quot;","block_context":{"text":"Computer Networks","link":"http:\/\/bangla.sitestree.com\/?cat=1978"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":78395,"url":"http:\/\/bangla.sitestree.com\/?p=78395","url_meta":{"origin":78443,"position":4},"title":"GNS 3 and Oracle VirtualBox &#8211; Make Them Work Together. Use VM as Devices in GNS 3.","author":"Sayed","date":"August 27, 2025","format":false,"excerpt":"How do you create a LAN segment like this in GNS3? It has two Ubuntu Virtual MachinesConnected to Oracle VirtualBox VMsOne Ubuntu\/Linux acts as the DHCP Server Another Ubuntu\/Linux acts as the DHCP Client Hints\/Steps: In Oracle VirtualBox, create two Ubuntu Machines (Virtual). These can be two new machines, or\u2026","rel":"","context":"In &quot;Computer Networks&quot;","block_context":{"text":"Computer Networks","link":"http:\/\/bangla.sitestree.com\/?cat=1978"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2025\/08\/image-12.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":78445,"url":"http:\/\/bangla.sitestree.com\/?p=78445","url_meta":{"origin":78443,"position":5},"title":"Why Do We Need the GNS3 VM?","author":"Sayed","date":"September 1, 2025","format":false,"excerpt":"Perfect \ud83d\udc4d I\u2019ll rewrite that into a fresh, copyright-free and plagiarism-free version while keeping all the important details intact. You can safely post this on your FB\/blog. \ud83d\ude80 Why Do We Need the GNS3 VM? When working with GNS3, you\u2019ll often hear about the GNS3 VM. Many beginners wonder: \u201cCan\u2019t\u2026","rel":"","context":"In &quot;Computer Networks&quot;","block_context":{"text":"Computer Networks","link":"http:\/\/bangla.sitestree.com\/?cat=1978"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/78443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78443"}],"version-history":[{"count":1,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/78443\/revisions"}],"predecessor-version":[{"id":78444,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/78443\/revisions\/78444"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78443"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}